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Go Back   Linux Archive > Redhat > Crash Utility

 
 
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Old 03-04-2012, 01:28 AM
"hujun_hotmail"
 
Default crash can't anaylyse ‘xm dump-core' generated core file

crash can analyse the physical machine
vmcore generated by kdump:
*
SLES11-40:/dat/bnx2_core # crash
vmlinux-2.6.27.19-5-xen vmlinux-2.6.27.19-5-xen.debug* vmcore
*
crash 5.0.1
Copyright (C) 2002-2010* Red Hat,
Inc.
Copyright (C) 2004, 2005, 2006* IBM Corporation
Copyright (C)
1999-2006* Hewlett-Packard Co
Copyright (C) 2005, 2006* Fujitsu
Limited
Copyright (C) 2006, 2007* VA Linux Systems Japan
K.K.
Copyright (C) 2005* NEC Corporation
Copyright (C) 1999, 2002,
2007* Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002*
Mission Critical Linux, Inc.
This program is free software, covered by the
GNU General Public License,
and you are welcome to change it and/or
distribute copies of it under
certain conditions.* Enter "help copying"
to see the conditions.
This program has absolutely no warranty.* Enter
"help warranty" for details.
*
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software
Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This
is free software: you are free to change and redistribute it.
There is NO
WARRANTY, to the extent permitted by law.* Type "show copying"
and "show
warranty" for details.
This GDB was configured as
"x86_64-unknown-linux-gnu"...
*
***** KERNEL:
vmlinux-2.6.27.19-5-xen
DEBUG KERNEL:
vmlinux-2.6.27.19-5-xen.debug
*** DUMPFILE:
vmcore
******* CPUS:
4
******* DATE: Wed Feb* 1 12:05:15
2012
***** UPTIME: 17:53:39
LOAD AVERAGE: 0.00,
0.00, 0.00
****** TASKS:
171
*** NODENAME: dom0-64
**** RELEASE:
2.6.27.19-5-xen
**** VERSION: #1 SMP 2009-02-28 04:40:21
+0100
**** MACHINE: x86_64* (2133
Mhz)
***** MEMORY: 31.2
GB
****** PANIC: "Oops: 0000 [1] SMP " (check
log for details)
******** PID:
11
**** COMMAND:
"events/0"
******* TASK:
ffff8807cb0f0380* [THREAD_INFO:
ffff8807cb0f2000]
******** CPU:
0
****** STATE: TASK_RUNNING
(PANIC)
*
crash> q
*
*
*
SLES11-40:/dat/xen_vm # xm
li
Name*********************** ****************
ID** Mem VCPUs***** State**
Time(s)
Domain-0************************ ************
0* 7416*** 16**** r-----*
30181.7
sles10sp3******************** *******************
512****
4****************
0.0
sles11********************** ****************
1** 512**** 4****
-b----***
401.8
sles11-1************************ ****************
512****
4****************
0.0
win2008x64******************** *****************
1024****
4****************
0.0
SLES11-40:/dat/xen_vm # xm co 1
*
sles11:~ #
sles11:~ # uname -a
Linux sles11
2.6.27.19-5-xen #1 SMP 2009-02-28 04:40:21 +0100 x86_64 x86_64 x86_64
GNU/Linux
*
SLES11-40:/dat/xen_vm # xm dump-core 1
/dat//xen_vm/sles11.dumpcore
*
Crash can't anaylyse ‘xm
dump-core'* generated core file

SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen
vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore
*
crash 5.0.1
Copyright (C) 2002-2010* Red Hat, Inc.
Copyright (C)
2004, 2005, 2006* IBM Corporation
Copyright (C) 1999-2006*
Hewlett-Packard Co
Copyright (C) 2005, 2006* Fujitsu
Limited
Copyright (C) 2006, 2007* VA Linux Systems Japan
K.K.
Copyright (C) 2005* NEC Corporation
Copyright (C) 1999, 2002,
2007* Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002*
Mission Critical Linux, Inc.
This program is free software, covered by the
GNU General Public License,
and you are welcome to change it and/or
distribute copies of it under
certain conditions.* Enter "help copying"
to see the conditions.
This program has absolutely no warranty.* Enter
"help warranty" for details.
*
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation,
Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This
is free software: you are free to change and redistribute it.
There is NO
WARRANTY, to the extent permitted by law.* Type "show copying"
and "show
warranty" for details.
This GDB was configured as
"x86_64-unknown-linux-gnu"...
*

crash: cannot resolve "end_pfn"
*
SLES11-40:/dat/bnx2_core # crash -d14 vmlinux-2.6.27.19-5-xen
vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore
*
crash 5.0.1
Copyright (C) 2002-2010* Red Hat, Inc.
Copyright (C)
2004, 2005, 2006* IBM Corporation
Copyright (C) 1999-2006*
Hewlett-Packard Co
Copyright (C) 2005, 2006* Fujitsu
Limited
Copyright (C) 2006, 2007* VA Linux Systems Japan
K.K.
Copyright (C) 2005* NEC Corporation
Copyright (C) 1999, 2002,
2007* Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002*
Mission Critical Linux, Inc.
This program is free software, covered by the
GNU General Public License,
and you are welcome to change it and/or
distribute copies of it under
certain conditions.* Enter "help copying"
to see the conditions.
This program has absolutely no warranty.* Enter
"help warranty" for details.
*
crash: ../xen_vm/sles11.dumpcore: not a netdump ELF dumpfile
crash:
../xen_vm/sles11.dumpcore: not a kdump ELF dumpfile
*
Elf64_Ehdr:
***************
e_ident: 177ELF
***** e_ident[EI_CLASS]: 2
(ELFCLASS64)
****** e_ident[EI_DATA]: 1
(ELFDATA2LSB)
*** e_ident[EI_VERSION]: 1
(EV_CURRENT)
***** e_ident[EI_OSABI]: 0
(ELFOSABI_SYSV)
*e_ident[EI_ABIVERSION]:
1
****************
e_type: 4
(ET_CORE)
*************
e_machine: 62
(EM_X86_64)
*************
e_version: 1
(EV_CURRENT)
***************
e_entry:
0
***************
e_phoff:
0
***************
e_shoff:
40
***************
e_flags:
0
**************
e_ehsize:
40
***********
e_phentsize:
38
***************
e_phnum: 0
***********
e_shentsize:
40
***************
e_shnum:
7
************
e_shstrndx: 1
*
Elf64_Shdr:
***************
sh_name: 0
""
***************
sh_type: 0
(SHT_NULL)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
0
***************
sh_size:
0
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
0
************
sh_entsize: 0
*
Elf64_Shdr:
***************
sh_name: 1
".shstrtab"
***************
sh_type: 3
(SHT_STRTAB)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
20207000
***************
sh_size:
48
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
0
************
sh_entsize:
0
************************
.shstrtab
************************
.note.Xen
************************
.xen_prstatus
************************
.xen_shared_info
************************
.xen_pages
************************
.xen_p2m
*
Elf64_Shdr:
***************
sh_name: b
".note.Xen"
***************
sh_type: 7
(SHT_NOTE)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
200
***************
sh_size:
568
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
0
************
sh_entsize:
0
****************
namesz:
4
*****************
descz:
0
******************
type: 2000000
(XEN_ELFNOTE_DUMPCORE_NONE)
******************
name:
Xen
************************
(empty)
****************
namesz:
4
*****************
descz:
32
******************
type: 2000001
(XEN_ELFNOTE_DUMPCORE_HEADER)
******************
name:
Xen
************************
00000000f00febed
0000000000000004
************************
0000000000020000
0000000000001000
****************
namesz:
4
*****************
descz:
1280
******************
type: 2000002
(XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
******************
name:
Xen
************************
0000000000000004
0000000000000000
************************
31393031325f302e
00322e302d34305f
************************
7372657620636367
2e332e34206e6f69
************************
342d6363675b2034
636e6172622d335f
************************
6973697665722068
3739323531206e6f
************************
4553555328205d33
002978756e694c20
************************
ff00646c69756261
010000000000e008
************************
ffff83022fc87f00
0000000000000292
************************
000000000000020d
ffff83022fc87f28
************************
2079614d20756854
34343a3131203032
************************
204354552031343a
ffff830030313032
************************
2d302e332d6e6578
782034365f363878
************************
782d302e332d6e65
68207032335f3638
************************
782d302e332d6d76
76682032335f3638
************************
38782d302e332d6d
7668207032335f36
************************
38782d302e332d6d
0000002034365f36
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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************************
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0000000000000000
************************
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************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
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0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
2d30003139303132
782034365f363878
************************
782d302e332d6e65
68207032335f3638
************************
782d302e332d6d76
76682032335f3638
************************
38782d302e332d6d
7668207032335f36
************************
ffff800000000000
0000000000001000
****************
namesz:
4
*****************
descz:
8
******************
type: 2000003
(XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
******************
name:
Xen
************************
0000000000000001
*
Elf64_Shdr:
***************
sh_name: 15
".xen_prstatus"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
768
***************
sh_size:
50c0
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
8
************
sh_entsize: 1430
*
Elf64_Shdr:
***************
sh_name: 23
".xen_shared_info"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
5828
***************
sh_size:
1000
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
8
************
sh_entsize: 1000
*
Elf64_Shdr:
***************
sh_name: 34
".xen_pages"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
7000
***************
sh_size:
20000000
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
1000
************
sh_entsize: 1000
*
Elf64_Shdr:
***************
sh_name: 3f
".xen_p2m"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
20007000
***************
sh_size:
200000
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
8
************
sh_entsize: 10
*
******* flags: 109
(XENDUMP_LOCAL|XC_CORE_ELF|XC_CORE_P2M_CREATE)
*********
xfd: 3
*** page_size:
4096
********* ofp:
0
******** page:
ccebf0
**** panic_pc: 0
****
panic_sp: 0
**** accesses: 0
** cache_hits:
0
**** last_pfn: -1
*** redundant:
0
*** poc[5000]: ccfc00 (none used)
*
*****
xc_save:
*****************
nr_pfns: 0
(0x0)
***********
vmconfig_size: 0
(0x0)
************
vmconfig_buf: 0
**********
p2m_frame_list: 0
(none)
****************
pfns_not: 0
*********
pfns_not_offset: 0
********
vcpu_ctxt_offset: 0
* shared_info_page_offset:
0
********* region_pfn_type:
0
*************
batch_count:
0
***********
batch_offsets: 0
(none)
************
ia64_version: 0
******* ia64_page_offsets:
0 (none)
*
*****
xc_core:
******************
header:
***************
xch_magic: f00febed
(XC_CORE_MAGIC)
************
xch_nr_vcpus:
4
************
xch_nr_pages: 131072
(0x20000)
*********
xch_ctxt_offset: 1896
(0x768)
******** xch_index_offset:
536899584 (0x20007000)
********
xch_pages_offset: 28672
(0x7000)
***************
elf_class: ELFCLASS64
*******
elf_strtab_offset: 538996736
(0x20207000)
**********
format_version: 0000000000000001
******
shared_info_offset: 22568 (0x5828)
******
elf_index_pfn[128]:
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1
0:-1
**************
last_batch:
*******************
index: 0 (0 -
0)
****************
accesses:
0
**************
duplicates:
0
*******************
elf32:
0
*******************
elf64:
cce630
**************
p2m_frames: 0
**** p2m_frame_index_list:
*
Elf64_Ehdr:
***************
e_ident: 177ELF
***** e_ident[EI_CLASS]: 2
(ELFCLASS64)
****** e_ident[EI_DATA]: 1
(ELFDATA2LSB)
*** e_ident[EI_VERSION]: 1
(EV_CURRENT)
***** e_ident[EI_OSABI]: 0
(ELFOSABI_SYSV)
*e_ident[EI_ABIVERSION]:
1
****************
e_type: 4
(ET_CORE)
*************
e_machine: 62
(EM_X86_64)
*************
e_version: 1
(EV_CURRENT)
***************
e_entry:
0
***************
e_phoff:
0
***************
e_shoff:
40
***************
e_flags:
0
**************
e_ehsize:
40
***********
e_phentsize:
38
***************
e_phnum: 0
***********
e_shentsize:
40
***************
e_shnum:
7
************
e_shstrndx: 1
*
Elf64_Shdr:
***************
sh_name: 0
""
***************
sh_type: 0
(SHT_NULL)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
0
***************
sh_size:
0
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
0
************
sh_entsize: 0
*
Elf64_Shdr:
***************
sh_name: 1
".shstrtab"
***************
sh_type: 3
(SHT_STRTAB)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
20207000
***************
sh_size:
48
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
0
************
sh_entsize:
0
************************
.shstrtab
************************
.note.Xen
************************
.xen_prstatus
************************
.xen_shared_info
************************
.xen_pages
************************
.xen_p2m
*
Elf64_Shdr:
***************
sh_name: b
".note.Xen"
***************
sh_type: 7
(SHT_NOTE)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
200
***************
sh_size:
568
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
0
************
sh_entsize:
0
****************
namesz:
4
*****************
descz:
0
******************
type: 2000000
(XEN_ELFNOTE_DUMPCORE_NONE)
******************
name:
Xen
************************
(empty)
****************
namesz:
4
*****************
descz:
32
******************
type: 2000001
(XEN_ELFNOTE_DUMPCORE_HEADER)
******************
name:
Xen
************************
00000000f00febed
0000000000000004
************************
0000000000020000
0000000000001000
****************
namesz:
4
*****************
descz:
1280
******************
type: 2000002
(XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
******************
name:
Xen
************************
0000000000000004
0000000000000000
************************
31393031325f302e
00322e302d34305f
************************
7372657620636367
2e332e34206e6f69
************************
342d6363675b2034
636e6172622d335f
************************
6973697665722068
3739323531206e6f
************************
4553555328205d33
002978756e694c20
************************
ff00646c69756261
010000000000e008
************************
ffff83022fc87f00
0000000000000292
************************
000000000000020d
ffff83022fc87f28
************************
2079614d20756854
34343a3131203032
************************
204354552031343a
ffff830030313032
************************
2d302e332d6e6578
782034365f363878
************************
782d302e332d6e65
68207032335f3638
************************
782d302e332d6d76
76682032335f3638
************************
38782d302e332d6d
7668207032335f36
************************
38782d302e332d6d
0000002034365f36
************************
0000000000000000
0000000000000000
************************
0000000000000000
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************************
0000000000000000
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************************
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************************
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************************
0000000000000000
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************************
0000000000000000
0000000000000000
************************
0000000000000000
0000000000000000
************************
2d30003139303132
782034365f363878
************************
782d302e332d6e65
68207032335f3638
************************
782d302e332d6d76
76682032335f3638
************************
38782d302e332d6d
7668207032335f36
************************
ffff800000000000
0000000000001000
****************
namesz:
4
*****************
descz:
8
******************
type: 2000003
(XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
******************
name:
Xen
************************
0000000000000001
*
Elf64_Shdr:
***************
sh_name: 15
".xen_prstatus"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
768
***************
sh_size:
50c0
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
8
************
sh_entsize: 1430
*
Elf64_Shdr:
***************
sh_name: 23
".xen_shared_info"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
5828
***************
sh_size:
1000
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
8
************
sh_entsize: 1000
*
Elf64_Shdr:
***************
sh_name: 34
".xen_pages"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
7000
***************
sh_size:
20000000
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
1000
************
sh_entsize: 1000
*
Elf64_Shdr:
***************
sh_name: 3f
".xen_p2m"
***************
sh_type: 1
(SHT_PROGBITS)
**************
sh_flags:
0
***************
sh_addr:
0
*************
sh_offset:
20007000
***************
sh_size:
200000
***************
sh_link:
0
***************
sh_info: 0
**********
sh_addralign:
8
************
sh_entsize: 10
*
gdb vmlinux-2.6.27.19-5-xen.debug
GNU gdb (GDB) 7.0
Copyright (C)
2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or
later <http://gnu.org/licenses/gpl.html>
This
is free software: you are free to change and redistribute it.
There is NO
WARRANTY, to the extent permitted by law.* Type "show copying"
and "show
warranty" for details.
This GDB was configured as
"x86_64-unknown-linux-gnu"...
GETBUF(248 -> 0)
* GETBUF(1500 ->
1)
*
* FREEBUF(1)
FREEBUF(0)
<readmem: ffffffff8047bec0, KVADDR,
"kernel_config_data", 32768, (ROE), 1886ee0>
*** addr:
ffffffff8047bec0* paddr: 47bec0* cnt: 320
GETBUF(248 ->
0)
FREEBUF(0)
MEMBER_OFFSET(vcpu_guest_context, ctrlreg):
4984
ctrlreg[0]: 8005003b
ctrlreg[1]: db1d000
ctrlreg[2]:
7fff28c5fde8
ctrlreg[3]: db55000
ctrlreg[4]: 2660
ctrlreg[5]:
0
ctrlreg[6]: 0
ctrlreg[7]: 0
page: found mfn 0xdb55 (56149) at index
125749
contents of PML4 page:
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*
crash: cannot resolve "end_pfn"
*
SLES11-40:/dat/bnx2_core # ls -al ../xen_vm/sles11.dumpcore
-rw------- 1
root root 538996808 Mar* 4 09:34 ../xen_vm/sles11.dumpcore

SLES11-40:/dat/bnx2_core # file
../xen_vm/sles11.dumpcore
../xen_vm/sles11.dumpcore: ELF 64-bit LSB core file
x86-64, version 1
SLES11-40:/dat/bnx2_core # gdb vmlinux-2.6.27.19-5-xen
../xen_vm/sles11.dumpcore
GNU gdb (GDB) SUSE (7.0-0.4.16)
Copyright (C)
2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or
later <http://gnu.org/licenses/gpl.html>
This
is free software: you are free to change and redistribute it.
There is NO
WARRANTY, to the extent permitted by law.* Type "show copying"
and "show
warranty" for details.
This GDB was configured as "x86_64-suse-linux".
For
bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading
symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen...Reading symbols from
/dat/bnx2_core/vmlinux-2.6.27.19-5-xen.debug...done.
done.
"/dat/bnx2_core/../xen_vm/sles11.dumpcore" is not a core dump:
File format not recognized
(gdb) q
SLES11-40:/dat/bnx2_core #
*
*
*
the paravituralized vm config:
*
SLES11-40:/etc/xen/vm # cat
sles11
name="sles11"
description="None"
uuid="cf40dbdb-b50d-9c25-7c07-14441d7ae478"
memory=512
maxmem=512
vcpus=4



localtime=0
keymap="en-us"
builder="linux"
bootloader="/usr/bin/pygrub"
bootargs=""
extra="
"
disk=[ 'file:/dat/vms/sles11_pv,xvda,w',
'file:/dat/iso/SLES-11-DVD-x86_64-GM-DVD1.iso,xvdb:cdrom,r', ]
vif=[
'mac=00:16:3e:61:b3:96,bridge=br3',
]
vfb=['type=vnc,vncunused=1']

--
Crash-utility mailing list
Crash-utility@redhat.com
https://www.redhat.com/mailman/listinfo/crash-utility
 
Old 03-05-2012, 01:54 PM
Dave Anderson
 
Default crash can't anaylyse ‘xm dump-core' generated core file

----- Original Message -----
>
>
> crash can analyse the physical machine vmcore generated by kdump:
>
> SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen
> vmlinux-2.6.27.19-5-xen.debug vmcore
>
> crash 5.0.1
> Copyright (C) 2002-2010 Red Hat, Inc.
> Copyright (C) 2004, 2005, 2006 IBM Corporation
> Copyright (C) 1999-2006 Hewlett-Packard Co
> Copyright (C) 2005, 2006 Fujitsu Limited
> Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
> Copyright (C) 2005 NEC Corporation
> Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
> Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
> This program is free software, covered by the GNU General Public
> License,
> and you are welcome to change it and/or distribute copies of it under
> certain conditions. Enter "help copying" to see the conditions.
> This program has absolutely no warranty. Enter "help warranty" for
> details.
>
> GNU gdb (GDB) 7.0
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <
> http://gnu.org/licenses/gpl.html >
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-unknown-linux-gnu"...
>
> KERNEL: vmlinux-2.6.27.19-5-xen
> DEBUG KERNEL: vmlinux-2.6.27.19-5-xen.debug
> DUMPFILE: vmcore
> CPUS: 4
> DATE: Wed Feb 1 12:05:15 2012
> UPTIME: 17:53:39
> LOAD AVERAGE: 0.00, 0.00, 0.00
> TASKS: 171
> NODENAME: dom0-64
> RELEASE: 2.6.27.19-5-xen
> VERSION: #1 SMP 2009-02-28 04:40:21 +0100
> MACHINE: x86_64 (2133 Mhz)
> MEMORY: 31.2 GB
> PANIC: "Oops: 0000 [1] SMP " (check log for details)
> PID: 11
> COMMAND: "events/0"
> TASK: ffff8807cb0f0380 [THREAD_INFO: ffff8807cb0f2000]
> CPU: 0
> STATE: TASK_RUNNING (PANIC)
>
> crash> q
>
>
>
> SLES11-40:/dat/xen_vm # xm li
> Name ID Mem VCPUs State Time(s)
> Domain-0 0 7416 16 r----- 30181.7
> sles10sp3 512 4 0.0
> sles11 1 512 4 -b---- 401.8
> sles11-1 512 4 0.0
> win2008x64 1024 4 0.0
> SLES11-40:/dat/xen_vm # xm co 1
>
> sles11:~ #
> sles11:~ # uname -a
> Linux sles11 2.6.27.19-5-xen #1 SMP 2009-02-28 04:40:21 +0100 x86_64
> x86_64 x86_64 GNU/Linux
>
> SLES11-40:/dat/xen_vm # xm dump-core 1 /dat//xen_vm/sles11.dumpcore
>
> Crash can't anaylyse ‘xm dump-core' generated core file
>
> SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen
> vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore
>
> crash 5.0.1
> Copyright (C) 2002-2010 Red Hat, Inc.
> Copyright (C) 2004, 2005, 2006 IBM Corporation
> Copyright (C) 1999-2006 Hewlett-Packard Co
> Copyright (C) 2005, 2006 Fujitsu Limited
> Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
> Copyright (C) 2005 NEC Corporation
> Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
> Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
> This program is free software, covered by the GNU General Public
> License,
> and you are welcome to change it and/or distribute copies of it under
> certain conditions. Enter "help copying" to see the conditions.
> This program has absolutely no warranty. Enter "help warranty" for
> details.
>
> GNU gdb (GDB) 7.0
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <
> http://gnu.org/licenses/gpl.html >
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show
> copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-unknown-linux-gnu"...
>
>
> crash: cannot resolve "end_pfn"
>

That was presumably fixed in crash-5.0.6 by this change:

http://people.redhat.com/anderson/crash.changelog.html#5_0_6

5.0.6 - Also available in Fedora Rawhide devel branch:
build: dist-f14 crash-5.0.6-2.fc14
http://koji.fedoraproject.org/koji/buildinfo?buildID=184746

- Fix for support of xendump and Xen kdump dumpfiles from 2.6.27 and
and later x86_64 kernels. Without the patch, the crash session
would fail during initialization with the error message "crash:
cannot resolve end_pfn".
(ptesarik@suse.cz)

Although it is surprising (according to the changelog comment above) that
you are able to run with crash-5.0.1 and a xen kdump?

In any case, it's always beneficial to test with the latest upstream version
of the crash utility. Your crash-5.0.1 version is more than 2 years old,
(ancient by crash standards), and so there's little chance of anybody
wanting to debug such an old version.

Dave



>
> SLES11-40:/dat/bnx2_core # crash -d14 vmlinux-2.6.27.19-5-xen
> vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore
>
> crash 5.0.1
> Copyright (C) 2002-2010 Red Hat, Inc.
> Copyright (C) 2004, 2005, 2006 IBM Corporation
> Copyright (C) 1999-2006 Hewlett-Packard Co
> Copyright (C) 2005, 2006 Fujitsu Limited
> Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
> Copyright (C) 2005 NEC Corporation
> Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
> Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
> This program is free software, covered by the GNU General Public
> License,
> and you are welcome to change it and/or distribute copies of it under
> certain conditions. Enter "help copying" to see the conditions.
> This program has absolutely no warranty. Enter "help warranty" for
> details.
>
> crash: ../xen_vm/sles11.dumpcore: not a netdump ELF dumpfile
> crash: ../xen_vm/sles11.dumpcore: not a kdump ELF dumpfile
>
> Elf64_Ehdr:
> e_ident: 177ELF
> e_ident[EI_CLASS]: 2 (ELFCLASS64)
> e_ident[EI_DATA]: 1 (ELFDATA2LSB)
> e_ident[EI_VERSION]: 1 (EV_CURRENT)
> e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV)
> e_ident[EI_ABIVERSION]: 1
> e_type: 4 (ET_CORE)
> e_machine: 62 (EM_X86_64)
> e_version: 1 (EV_CURRENT)
> e_entry: 0
> e_phoff: 0
> e_shoff: 40
> e_flags: 0
> e_ehsize: 40
> e_phentsize: 38
> e_phnum: 0
> e_shentsize: 40
> e_shnum: 7
> e_shstrndx: 1
>
> Elf64_Shdr:
> sh_name: 0 ""
> sh_type: 0 (SHT_NULL)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 0
> sh_size: 0
> sh_link: 0
> sh_info: 0
> sh_addralign: 0
> sh_entsize: 0
>
> Elf64_Shdr:
> sh_name: 1 ".shstrtab"
> sh_type: 3 (SHT_STRTAB)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 20207000
> sh_size: 48
> sh_link: 0
> sh_info: 0
> sh_addralign: 0
> sh_entsize: 0
> .shstrtab
> .note.Xen
> .xen_prstatus
> .xen_shared_info
> .xen_pages
> .xen_p2m
>
> Elf64_Shdr:
> sh_name: b ".note.Xen"
> sh_type: 7 (SHT_NOTE)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 200
> sh_size: 568
> sh_link: 0
> sh_info: 0
> sh_addralign: 0
> sh_entsize: 0
> namesz: 4
> descz: 0
> type: 2000000 (XEN_ELFNOTE_DUMPCORE_NONE)
> name: Xen
> (empty)
> namesz: 4
> descz: 32
> type: 2000001 (XEN_ELFNOTE_DUMPCORE_HEADER)
> name: Xen
> 00000000f00febed 0000000000000004
> 0000000000020000 0000000000001000
> namesz: 4
> descz: 1280
> type: 2000002 (XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
> name: Xen
> 0000000000000004 0000000000000000
> 31393031325f302e 00322e302d34305f
> 7372657620636367 2e332e34206e6f69
> 342d6363675b2034 636e6172622d335f
> 6973697665722068 3739323531206e6f
> 4553555328205d33 002978756e694c20
> ff00646c69756261 010000000000e008
> ffff83022fc87f00 0000000000000292
> 000000000000020d ffff83022fc87f28
> 2079614d20756854 34343a3131203032
> 204354552031343a ffff830030313032
> 2d302e332d6e6578 782034365f363878
> 782d302e332d6e65 68207032335f3638
> 782d302e332d6d76 76682032335f3638
> 38782d302e332d6d 7668207032335f36
> 38782d302e332d6d 0000002034365f36
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 2d30003139303132 782034365f363878
> 782d302e332d6e65 68207032335f3638
> 782d302e332d6d76 76682032335f3638
> 38782d302e332d6d 7668207032335f36
> ffff800000000000 0000000000001000
> namesz: 4
> descz: 8
> type: 2000003 (XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
> name: Xen
> 0000000000000001
>
> Elf64_Shdr:
> sh_name: 15 ".xen_prstatus"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 768
> sh_size: 50c0
> sh_link: 0
> sh_info: 0
> sh_addralign: 8
> sh_entsize: 1430
>
> Elf64_Shdr:
> sh_name: 23 ".xen_shared_info"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 5828
> sh_size: 1000
> sh_link: 0
> sh_info: 0
> sh_addralign: 8
> sh_entsize: 1000
>
> Elf64_Shdr:
> sh_name: 34 ".xen_pages"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 7000
> sh_size: 20000000
> sh_link: 0
> sh_info: 0
> sh_addralign: 1000
> sh_entsize: 1000
>
> Elf64_Shdr:
> sh_name: 3f ".xen_p2m"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 20007000
> sh_size: 200000
> sh_link: 0
> sh_info: 0
> sh_addralign: 8
> sh_entsize: 10
>
> flags: 109 (XENDUMP_LOCAL|XC_CORE_ELF|XC_CORE_P2M_CREATE)
> xfd: 3
> page_size: 4096
> ofp: 0
> page: ccebf0
> panic_pc: 0
> panic_sp: 0
> accesses: 0
> cache_hits: 0
> last_pfn: -1
> redundant: 0
> poc[5000]: ccfc00 (none used)
>
> xc_save:
> nr_pfns: 0 (0x0)
> vmconfig_size: 0 (0x0)
> vmconfig_buf: 0
> p2m_frame_list: 0 (none)
> pfns_not: 0
> pfns_not_offset: 0
> vcpu_ctxt_offset: 0
> shared_info_page_offset: 0
> region_pfn_type: 0
> batch_count: 0
> batch_offsets: 0 (none)
> ia64_version: 0
> ia64_page_offsets: 0 (none)
>
> xc_core:
> header:
> xch_magic: f00febed (XC_CORE_MAGIC)
> xch_nr_vcpus: 4
> xch_nr_pages: 131072 (0x20000)
> xch_ctxt_offset: 1896 (0x768)
> xch_index_offset: 536899584 (0x20007000)
> xch_pages_offset: 28672 (0x7000)
> elf_class: ELFCLASS64
> elf_strtab_offset: 538996736 (0x20207000)
> format_version: 0000000000000001
> shared_info_offset: 22568 (0x5828)
> elf_index_pfn[128]:
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
> last_batch:
> index: 0 (0 - 0)
> accesses: 0
> duplicates: 0
> elf32: 0
> elf64: cce630
> p2m_frames: 0
> p2m_frame_index_list:
>
> Elf64_Ehdr:
> e_ident: 177ELF
> e_ident[EI_CLASS]: 2 (ELFCLASS64)
> e_ident[EI_DATA]: 1 (ELFDATA2LSB)
> e_ident[EI_VERSION]: 1 (EV_CURRENT)
> e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV)
> e_ident[EI_ABIVERSION]: 1
> e_type: 4 (ET_CORE)
> e_machine: 62 (EM_X86_64)
> e_version: 1 (EV_CURRENT)
> e_entry: 0
> e_phoff: 0
> e_shoff: 40
> e_flags: 0
> e_ehsize: 40
> e_phentsize: 38
> e_phnum: 0
> e_shentsize: 40
> e_shnum: 7
> e_shstrndx: 1
>
> Elf64_Shdr:
> sh_name: 0 ""
> sh_type: 0 (SHT_NULL)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 0
> sh_size: 0
> sh_link: 0
> sh_info: 0
> sh_addralign: 0
> sh_entsize: 0
>
> Elf64_Shdr:
> sh_name: 1 ".shstrtab"
> sh_type: 3 (SHT_STRTAB)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 20207000
> sh_size: 48
> sh_link: 0
> sh_info: 0
> sh_addralign: 0
> sh_entsize: 0
> .shstrtab
> .note.Xen
> .xen_prstatus
> .xen_shared_info
> .xen_pages
> .xen_p2m
>
> Elf64_Shdr:
> sh_name: b ".note.Xen"
> sh_type: 7 (SHT_NOTE)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 200
> sh_size: 568
> sh_link: 0
> sh_info: 0
> sh_addralign: 0
> sh_entsize: 0
> namesz: 4
> descz: 0
> type: 2000000 (XEN_ELFNOTE_DUMPCORE_NONE)
> name: Xen
> (empty)
> namesz: 4
> descz: 32
> type: 2000001 (XEN_ELFNOTE_DUMPCORE_HEADER)
> name: Xen
> 00000000f00febed 0000000000000004
> 0000000000020000 0000000000001000
> namesz: 4
> descz: 1280
> type: 2000002 (XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
> name: Xen
> 0000000000000004 0000000000000000
> 31393031325f302e 00322e302d34305f
> 7372657620636367 2e332e34206e6f69
> 342d6363675b2034 636e6172622d335f
> 6973697665722068 3739323531206e6f
> 4553555328205d33 002978756e694c20
> ff00646c69756261 010000000000e008
> ffff83022fc87f00 0000000000000292
> 000000000000020d ffff83022fc87f28
> 2079614d20756854 34343a3131203032
> 204354552031343a ffff830030313032
> 2d302e332d6e6578 782034365f363878
> 782d302e332d6e65 68207032335f3638
> 782d302e332d6d76 76682032335f3638
> 38782d302e332d6d 7668207032335f36
> 38782d302e332d6d 0000002034365f36
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 0000000000000000 0000000000000000
> 2d30003139303132 782034365f363878
> 782d302e332d6e65 68207032335f3638
> 782d302e332d6d76 76682032335f3638
> 38782d302e332d6d 7668207032335f36
> ffff800000000000 0000000000001000
> namesz: 4
> descz: 8
> type: 2000003 (XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
> name: Xen
> 0000000000000001
>
> Elf64_Shdr:
> sh_name: 15 ".xen_prstatus"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 768
> sh_size: 50c0
> sh_link: 0
> sh_info: 0
> sh_addralign: 8
> sh_entsize: 1430
>
> Elf64_Shdr:
> sh_name: 23 ".xen_shared_info"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 5828
> sh_size: 1000
> sh_link: 0
> sh_info: 0
> sh_addralign: 8
> sh_entsize: 1000
>
> Elf64_Shdr:
> sh_name: 34 ".xen_pages"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 7000
> sh_size: 20000000
> sh_link: 0
> sh_info: 0
> sh_addralign: 1000
> sh_entsize: 1000
>
> Elf64_Shdr:
> sh_name: 3f ".xen_p2m"
> sh_type: 1 (SHT_PROGBITS)
> sh_flags: 0
> sh_addr: 0
> sh_offset: 20007000
> sh_size: 200000
> sh_link: 0
> sh_info: 0
> sh_addralign: 8
> sh_entsize: 10
>
> gdb vmlinux-2.6.27.19-5-xen.debug
> GNU gdb (GDB) 7.0
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <
> http://gnu.org/licenses/gpl.html >
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show
> copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-unknown-linux-gnu"...
> GETBUF(248 -> 0)
> GETBUF(1500 -> 1)
>
> FREEBUF(1)
> FREEBUF(0)
> <readmem: ffffffff8047bec0, KVADDR, "kernel_config_data", 32768,
> (ROE), 1886ee0>
> addr: ffffffff8047bec0 paddr: 47bec0 cnt: 320
> GETBUF(248 -> 0)
> FREEBUF(0)
> MEMBER_OFFSET(vcpu_guest_context, ctrlreg): 4984
> ctrlreg[0]: 8005003b
> ctrlreg[1]: db1d000
> ctrlreg[2]: 7fff28c5fde8
> ctrlreg[3]: db55000
> ctrlreg[4]: 2660
> ctrlreg[5]: 0
> ctrlreg[6]: 0
> ctrlreg[7]: 0
> page: found mfn 0xdb55 (56149) at index 125749
> contents of PML4 page:
> 0000000000000000: 0000000000000000 0000000000000000
> 0000000000000010: 0000000000000000 0000000000000000
> 0000000000000020: 0000000000000000 0000000000000000
> 0000000000000030: 0000000000000000 0000000000000000
> 0000000000000040: 0000000000000000 0000000000000000
> 0000000000000050: 0000000000000000 0000000000000000
> 0000000000000060: 0000000000000000 0000000000000000
> 0000000000000070: 0000000000000000 0000000000000000
> 0000000000000080: 0000000000000000 0000000000000000
> 0000000000000090: 0000000000000000 0000000000000000
> 00000000000000a0: 0000000000000000 0000000000000000
> 00000000000000b0: 0000000000000000 0000000000000000
> 00000000000000c0: 0000000000000000 0000000000000000
> 00000000000000d0: 0000000000000000 0000000000000000
> 00000000000000e0: 0000000000000000 0000000000000000
> 00000000000000f0: 0000000000000000 0000000000000000
> 0000000000000100: 0000000000000000 0000000000000000
> 0000000000000110: 0000000000000000 0000000000000000
> 0000000000000120: 0000000000000000 0000000000000000
> 0000000000000130: 0000000000000000 0000000000000000
> 0000000000000140: 0000000000000000 0000000000000000
> 0000000000000150: 0000000000000000 0000000000000000
> 0000000000000160: 0000000000000000 0000000000000000
> 0000000000000170: 0000000000000000 0000000000000000
> 0000000000000180: 0000000000000000 0000000000000000
> 0000000000000190: 0000000000000000 0000000000000000
> 00000000000001a0: 0000000000000000 0000000000000000
> 00000000000001b0: 0000000000000000 0000000000000000
> 00000000000001c0: 0000000000000000 0000000000000000
> 00000000000001d0: 0000000000000000 0000000000000000
> 00000000000001e0: 0000000000000000 0000000000000000
> 00000000000001f0: 0000000000000000 0000000000000000
> 0000000000000200: 0000000000000000 0000000000000000
> 0000000000000210: 0000000000000000 0000000000000000
> 0000000000000220: 0000000000000000 0000000000000000
> 0000000000000230: 0000000000000000 0000000000000000
> 0000000000000240: 0000000000000000 0000000000000000
> 0000000000000250: 0000000000000000 0000000000000000
> 0000000000000260: 0000000000000000 0000000000000000
> 0000000000000270: 0000000000000000 0000000000000000
> 0000000000000280: 0000000000000000 0000000000000000
> 0000000000000290: 0000000000000000 0000000000000000
> 00000000000002a0: 0000000000000000 0000000000000000
> 00000000000002b0: 0000000000000000 0000000000000000
> 00000000000002c0: 0000000000000000 0000000000000000
> 00000000000002d0: 0000000000000000 0000000000000000
> 00000000000002e0: 0000000000000000 0000000000000000
> 00000000000002f0: 0000000000000000 0000000000000000
> 0000000000000300: 0000000000000000 0000000000000000
> 0000000000000310: 0000000000000000 0000000000000000
> 0000000000000320: 0000000000000000 0000000000000000
> 0000000000000330: 0000000000000000 0000000000000000
> 0000000000000340: 0000000000000000 0000000000000000
> 0000000000000350: 0000000000000000 0000000000000000
> 0000000000000360: 0000000000000000 0000000000000000
> 0000000000000370: 0000000000000000 0000000000000000
> 0000000000000380: 0000000000000000 0000000000000000
> 0000000000000390: 0000000000000000 0000000000000000
> 00000000000003a0: 0000000000000000 0000000000000000
> 00000000000003b0: 0000000000000000 0000000000000000
> 00000000000003c0: 0000000000000000 0000000000000000
> 00000000000003d0: 0000000000000000 0000000000000000
> 00000000000003e0: 0000000000000000 0000000000000000
> 00000000000003f0: 0000000000000000 0000000000000000
> 0000000000000400: 0000000000000000 0000000000000000
> 0000000000000410: 0000000000000000 0000000000000000
> 0000000000000420: 0000000000000000 0000000000000000
> 0000000000000430: 0000000000000000 0000000000000000
> 0000000000000440: 0000000000000000 0000000000000000
> 0000000000000450: 0000000000000000 0000000000000000
> 0000000000000460: 0000000000000000 0000000000000000
> 0000000000000470: 0000000000000000 0000000000000000
> 0000000000000480: 0000000000000000 0000000000000000
> 0000000000000490: 0000000000000000 0000000000000000
> 00000000000004a0: 0000000000000000 0000000000000000
> 00000000000004b0: 0000000000000000 0000000000000000
> 00000000000004c0: 0000000000000000 0000000000000000
> 00000000000004d0: 0000000000000000 0000000000000000
> 00000000000004e0: 0000000000000000 0000000000000000
> 00000000000004f0: 0000000000000000 0000000000000000
> 0000000000000500: 0000000000000000 0000000000000000
> 0000000000000510: 0000000000000000 0000000000000000
> 0000000000000520: 0000000000000000 0000000000000000
> 0000000000000530: 0000000000000000 0000000000000000
> 0000000000000540: 0000000000000000 0000000000000000
> 0000000000000550: 0000000000000000 0000000000000000
> 0000000000000560: 0000000000000000 0000000000000000
> 0000000000000570: 0000000000000000 0000000000000000
> 0000000000000580: 0000000000000000 0000000000000000
> 0000000000000590: 0000000000000000 0000000000000000
> 00000000000005a0: 0000000000000000 0000000000000000
> 00000000000005b0: 0000000000000000 0000000000000000
> 00000000000005c0: 0000000000000000 0000000000000000
> 00000000000005d0: 0000000000000000 0000000000000000
> 00000000000005e0: 0000000000000000 0000000000000000
> 00000000000005f0: 0000000000000000 0000000000000000
> 0000000000000600: 0000000000000000 0000000000000000
> 0000000000000610: 0000000000000000 0000000000000000
> 0000000000000620: 0000000000000000 0000000000000000
> 0000000000000630: 0000000000000000 0000000000000000
> 0000000000000640: 0000000000000000 0000000000000000
> 0000000000000650: 0000000000000000 0000000000000000
> 0000000000000660: 0000000000000000 0000000000000000
> 0000000000000670: 0000000000000000 0000000000000000
> 0000000000000680: 0000000000000000 0000000000000000
> 0000000000000690: 0000000000000000 0000000000000000
> 00000000000006a0: 0000000000000000 0000000000000000
> 00000000000006b0: 0000000000000000 0000000000000000
> 00000000000006c0: 0000000000000000 0000000000000000
> 00000000000006d0: 0000000000000000 0000000000000000
> 00000000000006e0: 0000000000000000 0000000000000000
> 00000000000006f0: 0000000000000000 0000000000000000
> 0000000000000700: 0000000000000000 0000000000000000
> 0000000000000710: 0000000000000000 0000000000000000
> 0000000000000720: 0000000000000000 0000000000000000
> 0000000000000730: 0000000000000000 0000000000000000
> 0000000000000740: 0000000000000000 0000000000000000
> 0000000000000750: 0000000000000000 0000000000000000
> 0000000000000760: 0000000000000000 0000000000000000
> 0000000000000770: 0000000000000000 0000000000000000
> 0000000000000780: 0000000000000000 0000000000000000
> 0000000000000790: 0000000000000000 0000000000000000
> 00000000000007a0: 0000000000000000 0000000000000000
> 00000000000007b0: 0000000000000000 0000000000000000
> 00000000000007c0: 0000000000000000 0000000000000000
> 00000000000007d0: 0000000000000000 0000000000000000
> 00000000000007e0: 0000000000000000 0000000000000000
> 00000000000007f0: 0000000000000000 000000000dda5067
> 0000000000000800: 000000022fdf6067 000000022fdf1063
> 0000000000000810: 000000000db55063 0000000000000000
> 0000000000000820: 000000014cdbb063 00000000cf07a027
> 0000000000000830: 00000000cf075027 0000000000000000
> 0000000000000840: 0000000000000000 0000000000000000
> 0000000000000850: 0000000000000000 0000000000000000
> 0000000000000860: 0000000000000000 0000000000000000
> 0000000000000870: 0000000000000000 0000000000000000
> 0000000000000880: 0000000150139067 0000000000000000
> 0000000000000890: 0000000000000000 0000000000000000
> 00000000000008a0: 0000000000000000 0000000000000000
> 00000000000008b0: 0000000000000000 0000000000000000
> 00000000000008c0: 0000000000000000 0000000000000000
> 00000000000008d0: 0000000000000000 0000000000000000
> 00000000000008e0: 0000000000000000 0000000000000000
> 00000000000008f0: 0000000000000000 0000000000000000
> 0000000000000900: 0000000000000000 0000000000000000
> 0000000000000910: 0000000000000000 0000000000000000
> 0000000000000920: 0000000000000000 0000000000000000
> 0000000000000930: 0000000000000000 0000000000000000
> 0000000000000940: 0000000000000000 0000000000000000
> 0000000000000950: 0000000000000000 0000000000000000
> 0000000000000960: 0000000000000000 0000000000000000
> 0000000000000970: 0000000000000000 0000000000000000
> 0000000000000980: 0000000000000000 0000000000000000
> 0000000000000990: 0000000000000000 0000000000000000
> 00000000000009a0: 0000000000000000 0000000000000000
> 00000000000009b0: 0000000000000000 0000000000000000
> 00000000000009c0: 0000000000000000 0000000000000000
> 00000000000009d0: 0000000000000000 0000000000000000
> 00000000000009e0: 0000000000000000 0000000000000000
> 00000000000009f0: 0000000000000000 0000000000000000
> 0000000000000a00: 0000000000000000 0000000000000000
> 0000000000000a10: 0000000000000000 0000000000000000
> 0000000000000a20: 0000000000000000 0000000000000000
> 0000000000000a30: 0000000000000000 0000000000000000
> 0000000000000a40: 0000000000000000 0000000000000000
> 0000000000000a50: 0000000000000000 0000000000000000
> 0000000000000a60: 0000000000000000 0000000000000000
> 0000000000000a70: 0000000000000000 0000000000000000
> 0000000000000a80: 0000000000000000 0000000000000000
> 0000000000000a90: 0000000000000000 0000000000000000
> 0000000000000aa0: 0000000000000000 0000000000000000
> 0000000000000ab0: 0000000000000000 0000000000000000
> 0000000000000ac0: 0000000000000000 0000000000000000
> 0000000000000ad0: 0000000000000000 0000000000000000
> 0000000000000ae0: 0000000000000000 0000000000000000
> 0000000000000af0: 0000000000000000 0000000000000000
> 0000000000000b00: 0000000000000000 0000000000000000
> 0000000000000b10: 0000000000000000 0000000000000000
> 0000000000000b20: 0000000000000000 0000000000000000
> 0000000000000b30: 0000000000000000 0000000000000000
> 0000000000000b40: 0000000000000000 0000000000000000
> 0000000000000b50: 0000000000000000 0000000000000000
> 0000000000000b60: 0000000000000000 0000000000000000
> 0000000000000b70: 0000000000000000 0000000000000000
> 0000000000000b80: 0000000000000000 0000000000000000
> 0000000000000b90: 0000000000000000 0000000000000000
> 0000000000000ba0: 0000000000000000 0000000000000000
> 0000000000000bb0: 0000000000000000 0000000000000000
> 0000000000000bc0: 0000000000000000 0000000000000000
> 0000000000000bd0: 0000000000000000 0000000000000000
> 0000000000000be0: 0000000000000000 0000000000000000
> 0000000000000bf0: 0000000000000000 0000000000000000
> 0000000000000c00: 0000000000000000 0000000000000000
> 0000000000000c10: 0000000000000000 0000000000000000
> 0000000000000c20: 000000000ce44067 0000000000000000
> 0000000000000c30: 0000000000000000 0000000000000000
> 0000000000000c40: 0000000000000000 0000000000000000
> 0000000000000c50: 0000000000000000 0000000000000000
> 0000000000000c60: 0000000000000000 0000000000000000
> 0000000000000c70: 0000000000000000 0000000000000000
> 0000000000000c80: 0000000000000000 0000000000000000
> 0000000000000c90: 0000000000000000 0000000000000000
> 0000000000000ca0: 0000000000000000 0000000000000000
> 0000000000000cb0: 0000000000000000 0000000000000000
> 0000000000000cc0: 0000000000000000 0000000000000000
> 0000000000000cd0: 0000000000000000 0000000000000000
> 0000000000000ce0: 0000000000000000 0000000000000000
> 0000000000000cf0: 0000000000000000 0000000000000000
> 0000000000000d00: 0000000000000000 0000000000000000
> 0000000000000d10: 0000000000000000 0000000000000000
> 0000000000000d20: 0000000000000000 0000000000000000
> 0000000000000d30: 0000000000000000 0000000000000000
> 0000000000000d40: 0000000000000000 0000000000000000
> 0000000000000d50: 0000000000000000 0000000000000000
> 0000000000000d60: 0000000000000000 0000000000000000
> 0000000000000d70: 0000000000000000 0000000000000000
> 0000000000000d80: 0000000000000000 0000000000000000
> 0000000000000d90: 0000000000000000 0000000000000000
> 0000000000000da0: 0000000000000000 0000000000000000
> 0000000000000db0: 0000000000000000 0000000000000000
> 0000000000000dc0: 0000000000000000 0000000000000000
> 0000000000000dd0: 0000000000000000 0000000000000000
> 0000000000000de0: 0000000000000000 0000000000000000
> 0000000000000df0: 0000000000000000 0000000000000000
> 0000000000000e00: 0000000000000000 0000000000000000
> 0000000000000e10: 0000000000000000 0000000000000000
> 0000000000000e20: 0000000000000000 0000000000000000
> 0000000000000e30: 0000000000000000 0000000000000000
> 0000000000000e40: 0000000000000000 0000000000000000
> 0000000000000e50: 0000000000000000 0000000000000000
> 0000000000000e60: 0000000000000000 0000000000000000
> 0000000000000e70: 0000000000000000 0000000000000000
> 0000000000000e80: 0000000000000000 0000000000000000
> 0000000000000e90: 0000000000000000 0000000000000000
> 0000000000000ea0: 0000000000000000 0000000000000000
> 0000000000000eb0: 0000000000000000 0000000000000000
> 0000000000000ec0: 0000000000000000 0000000000000000
> 0000000000000ed0: 0000000000000000 0000000000000000
> 0000000000000ee0: 0000000000000000 0000000000000000
> 0000000000000ef0: 0000000000000000 0000000000000000
> 0000000000000f00: 0000000000000000 0000000000000000
> 0000000000000f10: 0000000000000000 0000000000000000
> 0000000000000f20: 0000000000000000 0000000000000000
> 0000000000000f30: 0000000000000000 0000000000000000
> 0000000000000f40: 0000000000000000 0000000000000000
> 0000000000000f50: 0000000000000000 0000000000000000
> 0000000000000f60: 0000000000000000 0000000000000000
> 0000000000000f70: 0000000000000000 0000000000000000
> 0000000000000f80: 0000000000000000 0000000000000000
> 0000000000000f90: 0000000000000000 0000000000000000
> 0000000000000fa0: 0000000000000000 0000000000000000
> 0000000000000fb0: 0000000000000000 0000000000000000
> 0000000000000fc0: 0000000000000000 0000000000000000
> 0000000000000fd0: 0000000000000000 0000000000000000
> 0000000000000fe0: 0000000000000000 0000000000000000
> 0000000000000ff0: 0000000000000000 0000000130087067
>
> crash: cannot resolve "end_pfn"
>
> SLES11-40:/dat/bnx2_core # ls -al ../xen_vm/sles11.dumpcore
> -rw------- 1 root root 538996808 Mar 4 09:34
> ../xen_vm/sles11.dumpcore
>
> SLES11-40:/dat/bnx2_core # file ../xen_vm/sles11.dumpcore
> ../xen_vm/sles11.dumpcore: ELF 64-bit LSB core file x86-64, version 1
> SLES11-40:/dat/bnx2_core # gdb vmlinux-2.6.27.19-5-xen
> ../xen_vm/sles11.dumpcore
> GNU gdb (GDB) SUSE (7.0-0.4.16)
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <
> http://gnu.org/licenses/gpl.html >
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show
> copying"
> and "show warranty" for details.
> This GDB was configured as "x86_64-suse-linux".
> For bug reporting instructions, please see:
> < http://www.gnu.org/software/gdb/bugs/ >...
> Reading symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen...Reading
> symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen.debug...done.
> done.
> "/dat/bnx2_core/../xen_vm/sles11.dumpcore" is not a core dump: File
> format not recognized
> (gdb) q
> SLES11-40:/dat/bnx2_core #
>
>
>
> the paravituralized vm config:
>
> SLES11-40:/etc/xen/vm # cat sles11
> name="sles11"
> description="None"
> uuid="cf40dbdb-b50d-9c25-7c07-14441d7ae478"
> memory=512
> maxmem=512
> vcpus=4
> on_poweroff="destroy"
> on_reboot="restart"
> on_crash="destroy"
> localtime=0
> keymap="en-us"
> builder="linux"
> bootloader="/usr/bin/pygrub"
> bootargs=""
> extra=" "
> disk=[ 'file:/dat/vms/sles11_pv,xvda,w',
> 'file:/dat/iso/SLES-11-DVD-x86_64-GM-DVD1.iso,xvdb:cdrom,r', ]
> vif=[ 'mac=00:16:3e:61:b3:96,bridge=br3', ]
> vfb=['type=vnc,vncunused=1']
>
> --
> Crash-utility mailing list
> Crash-utility@redhat.com
> https://www.redhat.com/mailman/listinfo/crash-utility
>

--
Crash-utility mailing list
Crash-utility@redhat.com
https://www.redhat.com/mailman/listinfo/crash-utility
 
Old 03-05-2012, 02:17 PM
"hujun_hotmail"
 
Default crash can't anaylyse ‘xm dump-core' generated core file

thanks for you advise.

--------------------------------------------------
From: "Dave Anderson" <anderson@redhat.com>
Sent: Monday, March 05, 2012 10:54 PM
To: "Discussion list for crash utility usage,maintenance and development"
<crash-utility@redhat.com>
Subject: Re: [Crash-utility] [help]crash can't anaylyse ‘xm dump-core'
generated core file





----- Original Message -----



crash can analyse the physical machine vmcore generated by kdump:

SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen
vmlinux-2.6.27.19-5-xen.debug vmcore

crash 5.0.1
Copyright (C) 2002-2010 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public
License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for
details.

GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <
http://gnu.org/licenses/gpl.html >
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...

KERNEL: vmlinux-2.6.27.19-5-xen
DEBUG KERNEL: vmlinux-2.6.27.19-5-xen.debug
DUMPFILE: vmcore
CPUS: 4
DATE: Wed Feb 1 12:05:15 2012
UPTIME: 17:53:39
LOAD AVERAGE: 0.00, 0.00, 0.00
TASKS: 171
NODENAME: dom0-64
RELEASE: 2.6.27.19-5-xen
VERSION: #1 SMP 2009-02-28 04:40:21 +0100
MACHINE: x86_64 (2133 Mhz)
MEMORY: 31.2 GB
PANIC: "Oops: 0000 [1] SMP " (check log for details)
PID: 11
COMMAND: "events/0"
TASK: ffff8807cb0f0380 [THREAD_INFO: ffff8807cb0f2000]
CPU: 0
STATE: TASK_RUNNING (PANIC)

crash> q



SLES11-40:/dat/xen_vm # xm li
Name ID Mem VCPUs State Time(s)
Domain-0 0 7416 16 r----- 30181.7
sles10sp3 512 4 0.0
sles11 1 512 4 -b---- 401.8
sles11-1 512 4 0.0
win2008x64 1024 4 0.0
SLES11-40:/dat/xen_vm # xm co 1

sles11:~ #
sles11:~ # uname -a
Linux sles11 2.6.27.19-5-xen #1 SMP 2009-02-28 04:40:21 +0100 x86_64
x86_64 x86_64 GNU/Linux

SLES11-40:/dat/xen_vm # xm dump-core 1 /dat//xen_vm/sles11.dumpcore

Crash can't anaylyse ‘xm dump-core' generated core file

SLES11-40:/dat/bnx2_core # crash vmlinux-2.6.27.19-5-xen
vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore

crash 5.0.1
Copyright (C) 2002-2010 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public
License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for
details.

GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <
http://gnu.org/licenses/gpl.html >
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show
copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...


crash: cannot resolve "end_pfn"



That was presumably fixed in crash-5.0.6 by this change:

http://people.redhat.com/anderson/crash.changelog.html#5_0_6

5.0.6 - Also available in Fedora Rawhide devel branch:
build: dist-f14 crash-5.0.6-2.fc14
http://koji.fedoraproject.org/koji/buildinfo?buildID=184746

- Fix for support of xendump and Xen kdump dumpfiles from 2.6.27 and
and later x86_64 kernels. Without the patch, the crash session
would fail during initialization with the error message "crash:
cannot resolve end_pfn".
(ptesarik@suse.cz)

Although it is surprising (according to the changelog comment above) that
you are able to run with crash-5.0.1 and a xen kdump?

In any case, it's always beneficial to test with the latest upstream
version

of the crash utility. Your crash-5.0.1 version is more than 2 years old,
(ancient by crash standards), and so there's little chance of anybody
wanting to debug such an old version.

Dave





SLES11-40:/dat/bnx2_core # crash -d14 vmlinux-2.6.27.19-5-xen
vmlinux-2.6.27.19-5-xen.debug ../xen_vm/sles11.dumpcore

crash 5.0.1
Copyright (C) 2002-2010 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public
License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for
details.

crash: ../xen_vm/sles11.dumpcore: not a netdump ELF dumpfile
crash: ../xen_vm/sles11.dumpcore: not a kdump ELF dumpfile

Elf64_Ehdr:
e_ident: 177ELF
e_ident[EI_CLASS]: 2 (ELFCLASS64)
e_ident[EI_DATA]: 1 (ELFDATA2LSB)
e_ident[EI_VERSION]: 1 (EV_CURRENT)
e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV)
e_ident[EI_ABIVERSION]: 1
e_type: 4 (ET_CORE)
e_machine: 62 (EM_X86_64)
e_version: 1 (EV_CURRENT)
e_entry: 0
e_phoff: 0
e_shoff: 40
e_flags: 0
e_ehsize: 40
e_phentsize: 38
e_phnum: 0
e_shentsize: 40
e_shnum: 7
e_shstrndx: 1

Elf64_Shdr:
sh_name: 0 ""
sh_type: 0 (SHT_NULL)
sh_flags: 0
sh_addr: 0
sh_offset: 0
sh_size: 0
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0

Elf64_Shdr:
sh_name: 1 ".shstrtab"
sh_type: 3 (SHT_STRTAB)
sh_flags: 0
sh_addr: 0
sh_offset: 20207000
sh_size: 48
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
.shstrtab
.note.Xen
.xen_prstatus
.xen_shared_info
.xen_pages
.xen_p2m

Elf64_Shdr:
sh_name: b ".note.Xen"
sh_type: 7 (SHT_NOTE)
sh_flags: 0
sh_addr: 0
sh_offset: 200
sh_size: 568
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
namesz: 4
descz: 0
type: 2000000 (XEN_ELFNOTE_DUMPCORE_NONE)
name: Xen
(empty)
namesz: 4
descz: 32
type: 2000001 (XEN_ELFNOTE_DUMPCORE_HEADER)
name: Xen
00000000f00febed 0000000000000004
0000000000020000 0000000000001000
namesz: 4
descz: 1280
type: 2000002 (XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
name: Xen
0000000000000004 0000000000000000
31393031325f302e 00322e302d34305f
7372657620636367 2e332e34206e6f69
342d6363675b2034 636e6172622d335f
6973697665722068 3739323531206e6f
4553555328205d33 002978756e694c20
ff00646c69756261 010000000000e008
ffff83022fc87f00 0000000000000292
000000000000020d ffff83022fc87f28
2079614d20756854 34343a3131203032
204354552031343a ffff830030313032
2d302e332d6e6578 782034365f363878
782d302e332d6e65 68207032335f3638
782d302e332d6d76 76682032335f3638
38782d302e332d6d 7668207032335f36
38782d302e332d6d 0000002034365f36
0000000000000000 0000000000000000
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0000000000000000 0000000000000000
0000000000000000 0000000000000000
0000000000000000 0000000000000000
0000000000000000 0000000000000000
0000000000000000 0000000000000000
0000000000000000 0000000000000000
0000000000000000 0000000000000000
2d30003139303132 782034365f363878
782d302e332d6e65 68207032335f3638
782d302e332d6d76 76682032335f3638
38782d302e332d6d 7668207032335f36
ffff800000000000 0000000000001000
namesz: 4
descz: 8
type: 2000003 (XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
name: Xen
0000000000000001

Elf64_Shdr:
sh_name: 15 ".xen_prstatus"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 768
sh_size: 50c0
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1430

Elf64_Shdr:
sh_name: 23 ".xen_shared_info"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 5828
sh_size: 1000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1000

Elf64_Shdr:
sh_name: 34 ".xen_pages"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 7000
sh_size: 20000000
sh_link: 0
sh_info: 0
sh_addralign: 1000
sh_entsize: 1000

Elf64_Shdr:
sh_name: 3f ".xen_p2m"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 20007000
sh_size: 200000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 10

flags: 109 (XENDUMP_LOCAL|XC_CORE_ELF|XC_CORE_P2M_CREATE)
xfd: 3
page_size: 4096
ofp: 0
page: ccebf0
panic_pc: 0
panic_sp: 0
accesses: 0
cache_hits: 0
last_pfn: -1
redundant: 0
poc[5000]: ccfc00 (none used)

xc_save:
nr_pfns: 0 (0x0)
vmconfig_size: 0 (0x0)
vmconfig_buf: 0
p2m_frame_list: 0 (none)
pfns_not: 0
pfns_not_offset: 0
vcpu_ctxt_offset: 0
shared_info_page_offset: 0
region_pfn_type: 0
batch_count: 0
batch_offsets: 0 (none)
ia64_version: 0
ia64_page_offsets: 0 (none)

xc_core:
header:
xch_magic: f00febed (XC_CORE_MAGIC)
xch_nr_vcpus: 4
xch_nr_pages: 131072 (0x20000)
xch_ctxt_offset: 1896 (0x768)
xch_index_offset: 536899584 (0x20007000)
xch_pages_offset: 28672 (0x7000)
elf_class: ELFCLASS64
elf_strtab_offset: 538996736 (0x20207000)
format_version: 0000000000000001
shared_info_offset: 22568 (0x5828)
elf_index_pfn[128]:
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1 0:-1
last_batch:
index: 0 (0 - 0)
accesses: 0
duplicates: 0
elf32: 0
elf64: cce630
p2m_frames: 0
p2m_frame_index_list:

Elf64_Ehdr:
e_ident: 177ELF
e_ident[EI_CLASS]: 2 (ELFCLASS64)
e_ident[EI_DATA]: 1 (ELFDATA2LSB)
e_ident[EI_VERSION]: 1 (EV_CURRENT)
e_ident[EI_OSABI]: 0 (ELFOSABI_SYSV)
e_ident[EI_ABIVERSION]: 1
e_type: 4 (ET_CORE)
e_machine: 62 (EM_X86_64)
e_version: 1 (EV_CURRENT)
e_entry: 0
e_phoff: 0
e_shoff: 40
e_flags: 0
e_ehsize: 40
e_phentsize: 38
e_phnum: 0
e_shentsize: 40
e_shnum: 7
e_shstrndx: 1

Elf64_Shdr:
sh_name: 0 ""
sh_type: 0 (SHT_NULL)
sh_flags: 0
sh_addr: 0
sh_offset: 0
sh_size: 0
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0

Elf64_Shdr:
sh_name: 1 ".shstrtab"
sh_type: 3 (SHT_STRTAB)
sh_flags: 0
sh_addr: 0
sh_offset: 20207000
sh_size: 48
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
.shstrtab
.note.Xen
.xen_prstatus
.xen_shared_info
.xen_pages
.xen_p2m

Elf64_Shdr:
sh_name: b ".note.Xen"
sh_type: 7 (SHT_NOTE)
sh_flags: 0
sh_addr: 0
sh_offset: 200
sh_size: 568
sh_link: 0
sh_info: 0
sh_addralign: 0
sh_entsize: 0
namesz: 4
descz: 0
type: 2000000 (XEN_ELFNOTE_DUMPCORE_NONE)
name: Xen
(empty)
namesz: 4
descz: 32
type: 2000001 (XEN_ELFNOTE_DUMPCORE_HEADER)
name: Xen
00000000f00febed 0000000000000004
0000000000020000 0000000000001000
namesz: 4
descz: 1280
type: 2000002 (XEN_ELFNOTE_DUMPCORE_XEN_VERSION)
name: Xen
0000000000000004 0000000000000000
31393031325f302e 00322e302d34305f
7372657620636367 2e332e34206e6f69
342d6363675b2034 636e6172622d335f
6973697665722068 3739323531206e6f
4553555328205d33 002978756e694c20
ff00646c69756261 010000000000e008
ffff83022fc87f00 0000000000000292
000000000000020d ffff83022fc87f28
2079614d20756854 34343a3131203032
204354552031343a ffff830030313032
2d302e332d6e6578 782034365f363878
782d302e332d6e65 68207032335f3638
782d302e332d6d76 76682032335f3638
38782d302e332d6d 7668207032335f36
38782d302e332d6d 0000002034365f36
0000000000000000 0000000000000000
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2d30003139303132 782034365f363878
782d302e332d6e65 68207032335f3638
782d302e332d6d76 76682032335f3638
38782d302e332d6d 7668207032335f36
ffff800000000000 0000000000001000
namesz: 4
descz: 8
type: 2000003 (XEN_ELFNOTE_DUMPCORE_FORMAT_VERSION)
name: Xen
0000000000000001

Elf64_Shdr:
sh_name: 15 ".xen_prstatus"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 768
sh_size: 50c0
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1430

Elf64_Shdr:
sh_name: 23 ".xen_shared_info"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 5828
sh_size: 1000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 1000

Elf64_Shdr:
sh_name: 34 ".xen_pages"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 7000
sh_size: 20000000
sh_link: 0
sh_info: 0
sh_addralign: 1000
sh_entsize: 1000

Elf64_Shdr:
sh_name: 3f ".xen_p2m"
sh_type: 1 (SHT_PROGBITS)
sh_flags: 0
sh_addr: 0
sh_offset: 20007000
sh_size: 200000
sh_link: 0
sh_info: 0
sh_addralign: 8
sh_entsize: 10

gdb vmlinux-2.6.27.19-5-xen.debug
GNU gdb (GDB) 7.0
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <
http://gnu.org/licenses/gpl.html >
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show
copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu"...
GETBUF(248 -> 0)
GETBUF(1500 -> 1)

FREEBUF(1)
FREEBUF(0)
<readmem: ffffffff8047bec0, KVADDR, "kernel_config_data", 32768,
(ROE), 1886ee0>
addr: ffffffff8047bec0 paddr: 47bec0 cnt: 320
GETBUF(248 -> 0)
FREEBUF(0)
MEMBER_OFFSET(vcpu_guest_context, ctrlreg): 4984
ctrlreg[0]: 8005003b
ctrlreg[1]: db1d000
ctrlreg[2]: 7fff28c5fde8
ctrlreg[3]: db55000
ctrlreg[4]: 2660
ctrlreg[5]: 0
ctrlreg[6]: 0
ctrlreg[7]: 0
page: found mfn 0xdb55 (56149) at index 125749
contents of PML4 page:
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crash: cannot resolve "end_pfn"

SLES11-40:/dat/bnx2_core # ls -al ../xen_vm/sles11.dumpcore
-rw------- 1 root root 538996808 Mar 4 09:34
../xen_vm/sles11.dumpcore

SLES11-40:/dat/bnx2_core # file ../xen_vm/sles11.dumpcore
../xen_vm/sles11.dumpcore: ELF 64-bit LSB core file x86-64, version 1
SLES11-40:/dat/bnx2_core # gdb vmlinux-2.6.27.19-5-xen
../xen_vm/sles11.dumpcore
GNU gdb (GDB) SUSE (7.0-0.4.16)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <
http://gnu.org/licenses/gpl.html >
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show
copying"
and "show warranty" for details.
This GDB was configured as "x86_64-suse-linux".
For bug reporting instructions, please see:
< http://www.gnu.org/software/gdb/bugs/ >...
Reading symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen...Reading
symbols from /dat/bnx2_core/vmlinux-2.6.27.19-5-xen.debug...done.
done.
"/dat/bnx2_core/../xen_vm/sles11.dumpcore" is not a core dump: File
format not recognized
(gdb) q
SLES11-40:/dat/bnx2_core #



the paravituralized vm config:

SLES11-40:/etc/xen/vm # cat sles11
name="sles11"
description="None"
uuid="cf40dbdb-b50d-9c25-7c07-14441d7ae478"
memory=512
maxmem=512
vcpus=4
on_poweroff="destroy"
on_reboot="restart"
on_crash="destroy"
localtime=0
keymap="en-us"
builder="linux"
bootloader="/usr/bin/pygrub"
bootargs=""
extra=" "
disk=[ 'file:/dat/vms/sles11_pv,xvda,w',
'file:/dat/iso/SLES-11-DVD-x86_64-GM-DVD1.iso,xvdb:cdrom,r', ]
vif=[ 'mac=00:16:3e:61:b3:96,bridge=br3', ]
vfb=['type=vnc,vncunused=1']

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