[Crash-utility] crash version 4.0-3.21 is available
Dave Anderson
anderson at redhat.com
Fri Mar 16 20:29:04 UTC 2007
- Introduced support for upstream xensource ELF format dumpfiles,
which will replace the current xendump format in xen 3.0.5. The
new xen format uses ELF in a non-standard manner such that memory
contents are defined in section headers instead of the traditional
manner of using program headers. Testing has been on paravirtualized
x86, x86 PAE, x86_64 and ia64 dumpfiles. Fully-virtualized dumpfiles
have not been tested. (anderson at redhat.com)
- A number of "xencrash" (where the session is run against a xen-syms
binary) fixes have been applied:
1) "bt" did not switch from the ia64 MCA stack to the vcpu stack.
2) "bt" caused an infinite loop if ar_bspstore contained an illegal
value.
3) "bt" shows unnecessary unwind warning message. (ia64)
4) "man log" caused crash to fail with a segmentation violation.
5) "man log" did not have an example.
(oda at valinux.co.jp)
- Fix for "vtop" on x86 PAE kernels, which could abort upon reaching
the PTE translation section, showing the error message: "vtop:
cannot determine the swap location". (anderson at redhat.com)
- Fix for "vm -p" or "vtop" on 2.6 x86 PAE kernels, which could show
incorrect swap offsets, because the swap type/offset encoding was
moved to the high word of the 64-bit PTE. (anderson at redhat.com)
- Fix for "vm -p" on x86_64 kernels when a PTE referenced a swap
location, it would show "(not mapped)" instead of the swap location.
(anderson at redhat.com)
- In current 2.6 kernels, it is now possible to recognize ppc BOOKE
processors, which is the current default in crash. If the processor
is confirmed to not be BOOKE, then page table translation is done
differently. (antipov at ru.mvista.com)
- Fix for live system analysis of Ubuntu kernels due to a mismatch
between /proc/version and the linux_banner string. This was due
to an appendage to the linux_banner string in Ubuntu kernels.
(asid at hp.com)
- Fix for 2.6.21 kernels that fail during initialization with the
message: "crash: invalid (optional) structure member offsets:
zone_struct_free_pages or zone_free_pages". This was due to the
removal of the zone struct's "free_pages" member; instead the
zone's "vm_stat[NR_FREE_PAGES]" value is used. (anderson at redhat.com)
Download from: http://people.redhat.com/anderson
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