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Old 03-24-2012, 11:07 AM
"hujun_hotmail"
 
Default crash can live analysis but vmcore can't.

hello* experts:
*
My linux system : Suse SLES 11* , crash can live analysis, but can't
open vmcore generated by kdump.
*
why?
*
*
*
sles11:/mnt/sda12/crash/2012-03-24-18:57 # crash

*
crash 6.0.4
Copyright (C) 2002-2012* 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) 7.3.1
**** Copyright (C) 2011 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:
/boot/vmlinuz-2.6.27.19-5-default.vmlinux-debug
**************
DUMPFILE:
/dev/mem
**********************
CPUS:
2
******************************
DATE: Sat Mar 24 19:10:45
2012
************************************
UPTIME:
00:07:17
************************************
LOAD AVERAGE: 0.16, 0.19,
0.12
*******************************************
TASKS:
189
***********************************************
NODENAME:
sles11
************************************************** **
RELEASE:
2.6.27.19-5-default
************************************************** *******
VERSION: #6 SMP Sat Nov 12 08:58:08 CST
2011
************************************************** ************
MACHINE: x86_64* (2393
Mhz)
********* MEMORY: 3.9
GB
******************
PID:
4590
***********************
COMMAND:
"crash"
*******************************
TASK: ffff8801230fa340* [THREAD_INFO:
ffff880131c86000]
****************************************
CPU:
0
***********************************************
STATE: TASK_RUNNING (ACTIVE)
*
*** crash>
***

*
*
*

crash 6.0.4
Copyright (C) 2002-2012* 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.
*
please wait... (uncompressing
vmlinux-2.6.27.19-5-default.gz)
************************************************** ***********

compressed kdump: header->utsname.machine:
compressed kdump: memory
bitmap offset: 2000
diskdump_data:

********* filename:
vmcore
************
flags: 6 (KDUMP_CMPRS_LOCAL|ERROR_EXCLUDED)

**************
dfd:
4
**************
ofp: 0
***** machine_type: 62 (EM_X86_64)
*
*********** header:
dee020
**********
signature: "KDUMP** "
*****
header_version:
1
************
utsname:
**************
sysname:

*************
nodename:

**************
release:

**************
version:

**************
machine:
***********
domainname:
**********
timestamp:
***************
tv_sec:
0
**************
tv_usec:
0
*************
status: 0 ()
*********
block_size: 4096
******* sub_hdr_size:
1
****** bitmap_blocks:
80
********** max_mapnr:
1294336
*** total_ram_blocks:
0
****** device_blocks:
0
***** written_blocks:
0
******** current_cpu:
0
************
nr_cpus: 1
***** tasks[nr_cpus]: 0
*
******* sub_header: 0 (n/a)
*
* sub_header_kdump: def030

********** phys_base:
0
********* dump_level: 0 (0x0)

*
****** data_offset:
52000
******* block_size:
4096
****** block_shift:
12
*********** bitmap:
7f812de69010
******* bitmap_len:
327680
** dumpable_bitmap:
7f812de18010
*************
byte:
0
**************
bit: 0
** compressed_page:
e00a40
******** curbufptr: 0
*
*page_cache_hdr[0]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df0a30
******* pg_hit_count:
0
*page_cache_hdr[1]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df1a30
******* pg_hit_count:
0
*page_cache_hdr[2]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df2a30
******* pg_hit_count:
0
*page_cache_hdr[3]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df3a30
******* pg_hit_count:
0
*page_cache_hdr[4]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df4a30
******* pg_hit_count:
0
*page_cache_hdr[5]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df5a30
******* pg_hit_count:
0
*page_cache_hdr[6]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df6a30
******* pg_hit_count:
0
*page_cache_hdr[7]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df7a30
******* pg_hit_count:
0
*page_cache_hdr[8]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df8a30
******* pg_hit_count:
0
*page_cache_hdr[9]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: df9a30
******* pg_hit_count:
0
page_cache_hdr[10]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: dfaa30
******* pg_hit_count:
0
page_cache_hdr[11]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: dfba30
******* pg_hit_count:
0
page_cache_hdr[12]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: dfca30
******* pg_hit_count:
0
page_cache_hdr[13]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: dfda30
******* pg_hit_count:
0
page_cache_hdr[14]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: dfea30
******* pg_hit_count:
0
page_cache_hdr[15]:
***********
pg_flags: 0
()
************
pg_addr: 0
**********
pg_bufptr: dffa30
******* pg_hit_count:
0
*
*** page_cache_buf:
df0a30
****** evict_index:
0
******** evictions:
0
********* accesses:
0
***** cached_reads: 0

****** valid_pages: df0040
readmem:
read_diskdump()
[?1034hcompressed kdump: phys_base: 0
gdb
vmlinux-2.6.27.19-5-default.debug
GNU gdb (GDB) 7.3.1
Copyright (C) 2011
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)
*
please wait... (patching 35285 gdb minimal_symbol values)

************************************************** ********************

* FREEBUF(1)
FREEBUF(0)
<readmem: ffffffff804b8210, KVADDR,
"kernel_config_data", 32768, (ROE), 17e92b0>
<read_diskdump: addr:
ffffffff804b8210 paddr: 4b8210 cnt: 3568>
read_diskdump: paddr/pfn:
4b8210/4b8 -> cache physical page: 4b8000
<read_diskdump: addr:
ffffffff804b9000 paddr: 4b9000 cnt: 4096>
read_diskdump: paddr/pfn:
4b9000/4b9 -> cache physical page: 4b9000
<read_diskdump: addr:
ffffffff804ba000 paddr: 4ba000 cnt: 4096>
read_diskdump: paddr/pfn:
4ba000/4ba -> cache physical page: 4ba000
<read_diskdump: addr:
ffffffff804bb000 paddr: 4bb000 cnt: 4096>
read_diskdump: paddr/pfn:
4bb000/4bb -> cache physical page: 4bb000
<read_diskdump: addr:
ffffffff804bc000 paddr: 4bc000 cnt: 4096>
read_diskdump: paddr/pfn:
4bc000/4bc -> cache physical page: 4bc000
<read_diskdump: addr:
ffffffff804bd000 paddr: 4bd000 cnt: 4096>
read_diskdump: paddr/pfn:
4bd000/4bd -> cache physical page: 4bd000
<read_diskdump: addr:
ffffffff804be000 paddr: 4be000 cnt: 4096>
read_diskdump: paddr/pfn:
4be000/4be -> cache physical page: 4be000
<read_diskdump: addr:
ffffffff804bf000 paddr: 4bf000 cnt: 4096>
read_diskdump: paddr/pfn:
4bf000/4bf -> cache physical page: 4bf000
<read_diskdump: addr:
ffffffff804c0000 paddr: 4c0000 cnt: 528>
read_diskdump: paddr/pfn:
4c0000/4c0 -> cache physical page: 4c0000
WARNING: could not find
MAGIC_START!
GETBUF(248 -> 0)
FREEBUF(0)
GETBUF(64 ->
0)
<readmem: ffffffff80a59910, KVADDR, "possible", 64, (ROE),
da00e0>
<read_diskdump: addr: ffffffff80a59910 paddr: a59910 cnt:
64>
read_diskdump: paddr/pfn: a59910/a59 -> cache physical page:
a59000
cpu_possible_map:
<readmem: ffffffff8095d950, KVADDR,
"present", 64, (ROE), da00e0>
<read_diskdump: addr: ffffffff8095d950
paddr: 95d950 cnt: 64>
read_diskdump: paddr/pfn: 95d950/95d -> cache
physical page: 95d000
cpu_present_map: 2 3 6 7 10 11 14 15 18 19 22 23 26 27
30 31 34 35 38 39 42 43 46 47 50 51 54 55 58 59 62 63 66 67 70 71 74 75 78 79 82
83 86 87 90 91 94 95 98 99 102 103 106 107 110 111 114 115 118 119 122 123 126
127 130 131 134 135 138 139 142 143 146 147 150 151 154 155 158 159 162 163 166
167 170 171 174 175 178 179 182 183 186 187 190 191 194 195 198 199 202 203 206
207 210 211 214 215 218 219 222 223 226 227 230 231 234 235 238 239 242 243 246
247 250 251 254 255 258 259 262 263 266 267 270 271 274 275 278 279 282 283 286
287 290 291 294 295 298 299 302 303 306 307 310 311 314 315 318 319 322 323 326
327 330 331 334 335 338 339 342 343 346 347 350 351 354 355 358 359 362 363 366
367 370 371 374 375 378 379 382 383 386 387 390 391 394 395 398 399 402 403 406
407 410 411 414 415 418 419 422 423 426 427 430 431 434 435 438 439 442 443 446
447 450 451 454 455 458 459 462 463 466 467 470 471 474 475 478 479 482 483 486
487 490 491 494 495 498 499 502 503 506 507 510 511
<readmem:
ffffffff808cbe90, KVADDR, "online", 64, (ROE), da00e0>
<read_diskdump:
addr: ffffffff808cbe90 paddr: 8cbe90 cnt: 64>
read_diskdump: paddr/pfn:
8cbe90/8cb -> cache physical page: 8cb000
cpu_online_map:

FREEBUF(0)
<readmem: ffffffff80abaf00, KVADDR, "xtime", 16, (FOE),
c5e430>
<read_diskdump: addr: ffffffff80abaf00 paddr: abaf00 cnt:
16>
read_diskdump: paddr/pfn: abaf00/aba -> cache physical page:
aba000
<readmem: ffffffff806dc894, KVADDR, "init_uts_ns", 390, (ROE),
c5ea1c>
<read_diskdump: addr: ffffffff806dc894 paddr: 6dc894 cnt:
390>
read_diskdump: paddr/pfn: 6dc894/6dc -> cache physical page:
6dc000
base kernel version: 0.0.0
<readmem: ffffffff804a7000, KVADDR,
"accessible check", 8, (ROE|Q), 7fff35eeba88>
<read_diskdump: addr:
ffffffff804a7000 paddr: 4a7000 cnt: 8>
read_diskdump: paddr/pfn:
4a7000/4a7 -> cache physical page: 4a7000
<readmem: ffffffff804a7000,
KVADDR, "readstring characters", 1499, (ROE|Q),
7fff35eeaa70>
<read_diskdump: addr: ffffffff804a7000 paddr: 4a7000 cnt:
1499>
read_diskdump: paddr/pfn: 4a7000/4a7 -> physical page is cached:
4a7000
linux_banner:
?;??
crash: vmlinux-2.6.27.19-5-default.debug
and vmcore do not match!
*
Usage:
*
* crash [OPTION]... NAMELIST MEMORY-IMAGE* (dumpfile
form)
* crash [OPTION]...
[NAMELIST]************
(live system form)
*
Enter "crash -h" for details.
*
*
*
--
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