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Go Back   Linux Archive > Redhat > Crash Utility

 
 
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Old 07-20-2010, 12:59 PM
Dave Anderson
 
Default crash version 5.0.6 is available

- 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)

- Fix for the "s390dbf" command to allow the command's output to be
redirected to a pipe.
(holzheu@linux.vnet.ibm.com)

- Fix for the x86 "bt" command to generically recognize the end of
trace condition for tasks entering the kernel from user-space without
having to hardwire any more kernel entry point function names.
Without the patch, a task that took a clock interrupt from user-space
and crashed while operating on the soft IRQ stack failed with the
error message "bt: cannot resolve stack trace".
(anderson@redhat.com)

- Display the "machine type mismatch" warning when attempting to use a
ppc64 vmlinux file on a non-ppc64 64-bit host. Without the patch,
the fact that ppc64 vmlinux ELF files are type ET_DYN, and not type
ET_EXEC like all of the other architectures, was allowing the vmlinux
to be accepted without the mismatch warning, and would subsequently
fail without a meaningful explanation being displayed.
(anderson@redhat.com)

- Fix for the x86_64 "bt" command if the kdump-generated NMI interrupts
a multi-threaded task that has just entered kernel space but has not
changed the RSP stack pointer register from its user-space per-thread
stack location to the kernel stack. Without the patch, the command
follows the display of the exception frame on the NMI exception stack
with the message "WARNING: possibly bogus exception frame", displays
the error message "bt: cannot transition from exception stack to
current process stack", and does not display the user-space exception
frame.
(anderson@redhat.com)

- Added the "set" command to the list of commands acceptable when
running in --minimal mode. The command is limited to the setting
of internal variables since there is no task context in that mode.
(anderson@redhat.com)

- Fix for the "vtop" command when run against x86 Xen PAE kernels.
Without the patch, the "PAGE:" displays (machine and pseudo-physical)
contained non-zero values in the lower 12 bits, and the translation
of the PTE entry was incorrect as a result of receiving the incorrect
contents in the lower 12-bits of the PTE entry.
(anderson@redhat.com)

- Implemented support for running against live x86_64 pv_ops/Xen guest
kernels.
(anderson@redhat.com)

- Implemented support for xendump ELF dumpfiles generated from x86_64
pvops/Xen guest kernels.
(anderson@redhat.com)

- Implemented support for running against live x86 pv_ops/Xen guest
kernels.
(anderson@redhat.com)

- Implemented support for xendump ELF dumpfiles generated from x86
pvops/Xen guest kernels.
(anderson@redhat.com)

- Determine the bit positions of PG_reserved and PG_slab using the
newer pageflags enumerator values if available.
(anderson@redhat.com)

- Fix to prevent the "repeat" command from keeping a crash session
alive if the controlling terminal session is killed.
(anderson@redhat.com)

Download from: http://people.redhat.com/anderson

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