Accepted crash 7.0.3-1 (source amd64)
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Hash: SHA1
Format: 1.8
Date: Wed, 30 Oct 2013 16:12:40 -0600
Source: crash
Binary: crash
Architecture: source amd64
Version: 7.0.3-1
Distribution: unstable
Urgency: low
Maintainer: Troy Heber <troyh@debian.org>
Changed-By: Troy Heber <troyh@debian.org>
Description:
crash - kernel debugging utility, allowing gdb like syntax
Changes:
crash (7.0.3-1) unstable; urgency=low
.
* Fix for the ARM architecture if the backtrace unwind information cannot be
gathered during session initialization. Without the patch, the two
unwind-related warning messages indicating "WARNING: UNWIND: failed to
gather unwind_table list" and "WARNING: UNWIND: failed to initialize
module unwind tables" are followed by the fatal error message "crash:
cannot hash task_struct entries".
.
* Fix for the "help -[Dn]" dumpfile information display of the GUID EFI
table in the header of SADUMP dumpfiles. Without the patch, only 33 of
the 36 bytes in the table are translated.
.
* Fix for the determination of the kernel NR_CPUS configurable for Linux 3.8
and later kernels that are configured with CONFIG_SLAB. Without the
patch, the kernel's compiled-in NR_CPUS value was incorrectly calculated
to be the sum of the kernel's NR_CPUS and MAX_NUMNODES configurables.
.
* In the next release of makedumpfile, the status field of the dumpfile
header of compressed kdumps will show the compression type that was
utilized. The "help -[Dn]" output has been updated to display that
information.
.
* For kernels configured with CONFIG_SLAB in which an array_cache pointer
referenced by a kmem_cache structure is invalid, the individual cache(s)
will be marked as invalid. During session initialization, the message
"crash: kmem_cache: <cache-address>: invalid array_cache pointer" will be
displayed, and during runtime, attempts to access the cache(s) will result
in a message indicating that the cache is "[INVALID/CORRPUTED]". Without
the patch, the message "crash: unable to initialize kmem slab cache
subsystem" is displayed during session initialization, and run-time
commands that attempt to access the kmem slab cache subsystem fail with
the error message "kmem cache slab subsystem not available".
.
* Fix for the "kmem -[sS] <slab-object-address>" option in Linux 3.6 and
later kernels configured with CONFIG_SLAB. Without the patch, the command
fails with the message "kmem: address is not allocated in slab subsystem:
<slab-object-address>. This also causes the "kmem <slab-object-address>"
command to (quietly) fail to determine that the address is a slab object.
.
* Fix for the "bt" command if a kernel __init text address is encountered.
Without the patch, and depending upon the reallocation of the __init text
memory, a bogus framesize may be calculated, or more likely, in a
compressed kdump, a warning message indicating "bt: page excluded: kernel
virtual address: <address> type: gdb_readmem_callback" will be displayed
following the frame data.
.
* Update for determining whether an S390X PTE contains a swap entry in Linux
3.12 and later kernels.
.
* Resurrected the translation and display of the page.flags bits by the
"kmem -p" command on Linux 2.6.26 and later kernels whose vmlinux
debuginfo data contains either the "pageflags" enumerator or the
"pageflag_names" array of trace_print_flags structures. If they are not
available, just the page.flags value is printed in hexadecimal, as has
been done since Linux 2.4.9.
.
* Fix for the "bt" command when used with vmcore files that were created
with the recently-introduced "virsh dump --memory-only", which dumps KVM
guests into an ELF vmcore similar to those created by the kdump facility.
Without the patch, a faulty backtrace for the panic task may be generated
due to the use of incorrect starting RSP/RIP registers; this happens
because (unlike kdump) the non-panicking cpus are offlined prior to the
dumpfile being created, which in turn leads to the use of the wrong
NT_PRSTATUS note.
.
* Fix for the CPU number display on systems with 255 or more cpus during the
initial banner, by the "set" command, the "ps" command, and by all
commands that display the per-task header consisting of the task address,
pid, cpu and command name. Without the patch, for cpu 255, the "sys"
command displays "NO_PROC_ID", and the other commands would show a "-" for
the cpu number; for cpu numbers greater than 255, garbage values would be
displayed in the cpu number field.
.
* Implemented support for compressed kdump header version 6, in which
makedumpfile(8) adds new fields in the kdump_sub_header to support large
memory systems with pfn values that are larger than 32-bits. Without the
patch, if the system contains physical memory located in high memory such
that its maximum pfn value is overflows the 32-bit "max_mapnr" field in
the header, the crash session will fail with the error message "crash:
vmlinux and vmcore do not match!".
.
* Fix for the "net -s" command on Linux 3.8 and later kernels. Without the
patch, the command fails with the message "net: invalid structure member
offset: inet_opt_daddr".
.
* Fix a build failure in a native ARM64 environment due to obsolete LKCD
dumpfile headers.
.
* Implementation of a new "per-cpu object" as an argument format that can be
passed to the "p", "struct", "union" or "*" commands. The format is
expressed as either <per-cpu symbol>:<cpu-specifier> or as <per-cpu
offset>:<cpu-specifier>, where the per-cpu symbol or per-cpu offset must
precede a colon, and where the <cpu-identifier> follows the colon.
Without the patch, per-cpu symbols are only accepted by the "p" command,
and the data type and the resolved kernel virtual address for each per-cpu
instance are displayed shown. With this patch, a colon and a
cpu-specifier may be appended to the symbol name, and the the contents of
the symbol on each cpu that is specified will be displayed by the "p"
command. For the "struct/union/*" commands, an argument may be specified
using either a per-cpu offset value or per-cpu symbol name followed by a
colon and cpu-specifier, and the contents of each structure/union on each
specified cpu will be displayed.
.
Fixed several minor flaws that were detected by a Coverity Scan.
Checksums-Sha1:
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bfa23bf690bdaa73968b7436173f7bae43a566f1 65635 crash_7.0.3-1.diff.gz
b994d46348fa03d10219e374abc51058e9776be4 2564126 crash_7.0.3-1_amd64.deb
Checksums-Sha256:
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Files:
f6a8412601272125760c43fde19652db 1115 utils optional crash_7.0.3-1.dsc
70d46467f9f2a7115a03cb698fe5125f 32020508 utils optional crash_7.0.3.orig.tar.gz
8a06379498c1b3f14ac412d6d3904644 65635 utils optional crash_7.0.3-1.diff.gz
4450a9f360e89caadbbe35ef6613ec8c 2564126 utils optional crash_7.0.3-1_amd64.deb
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