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Hash: SHA1
Format: 1.8
Date: Fri, 16 Dec 2011 09:49:04 -0700
Source: crash
Binary: crash
Architecture: source amd64
Version: 6.0.1-1
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 (6.0.1-1) unstable; urgency=low
.
* New upstream version 6.0.1
* Several fixes/updates for the 32-bit PPC architecture: (1) Delete
"__func__.<number>" symbols from the symbol list. (2) Update manner of
determining the processor speed displayed by the initial system banner and
the "sys" command. (3) Use the kernel's online cpus mask for determining
the cpu count. (4) Enable the "bt" command to follow traces that start in
a per-cpu IRQ stack. (5) Fix for the "bt" command to better prevent
runaway stack traces. (6) Fix for the "bt" command to recognize/display
2.6 kernel exception frames. (7) Update "bt" command's exception frame
register display. (8) Implement "bt -f" option.
* Fix for the X86 kernel module line-number capability on some kernels. It
is unclear why only some kernel versions exhibit this problem, but the
newly-embedded gdb version 7.3.1 has changed behaviour such that the
addrmap arrays of module text address blocks may contain the module text
offset values instead of their loaded vmalloc addresses, and so without
the patch, there is no "match" for the vmalloc address when searching for
its line number information. It is fixed by doing a preliminary symbol
search before accessing the line-number access routine.
* Fix for the X86_64 kernel module line-number capability on kernels that
have functions preceded by the __vsyscall_fn macro, which puts the kernel
text function in the vsyscall page that starts at virtual address
0xffffffffff600000. This results in a text address block that starts at a
normal kernel text address but ends with a vsyscall address, which
inadvertently contains the whole vmalloc address range. Without the
patch, line number requests for module vmalloc text addresses would be
mistakenly issued the first text section that ended with a vsyscall
address, but then cannot find line number information in that section.
* Fix for the inadvertent patching of the symbols of the 32-bit Xen
hypervisor binary. Without the patch, during initialization the
minimal_symbols are "patched" with their original values, so they remain
unchanged, and the message "WARNING: kernel relocated [0MB]: patching 3434
gdb minimal_symbol values" is displayed.
* If the "--mod <directory-tree>" command line option, or the setting of the
CRASH_MODULE_PATH environment variable, or the "mod -S <directory-tree>"
point to a tree that contains only the separate debuginfo
"<module>.ko.debug" files, then those debuginfo files will be used as the
internal "add-symbol-file" arguments to the embedded gdb module. Without
the patch, it was only acceptable to point to a directory tree that
contained the base "<module>.ko" files, and the separate debuginfo files
were found automatically based upon the directory path to the base module
file. This will allow an alternate module-debuginfo directory tree to be
set up like so: # cd <directory> # rpm2cpio kernel-debuginfo-<release>.rpm
| cpio -idv Having done that, the <directory> may be used with the
"--mod", command line argument, or as the CRASH_MODULE_PATH environment
variable, or as the "mod -S <directory> argument.
* Make the suspension of the verbose/time-consuming "sym -l" output
immediate upon the killing of the output pipe, or the entry of the first
CTRL-c. Without the patch, it would typically take several seconds, or
multiple CTRL-c entries, for the "crash>" prompt to be re-displayed.
* Fix for the handling of piped commands if the command receiving the crash
output is non-existent or invalid. Without the patch, the crash command
would wait indefinitely unless multiple CTRL-c entries were entered.
* Fix for the s390x "bt" command's floating point register display header.
Without the patch, the header indicates that only registers 0, 2, 4 and 6
are printed, a relic of the s390 architecture, whereas on the s390x all
floating point registers are displayed.
* Fix for the error message displayed when an untrusted .gdbinit file exists
in the current directory. Without the patch, the error message "WARNING:
not using untrusted file: " would be followed by garbage ASCII data
instead of the full pathname of the .gdbinit file.
* Fix for the "kmem -p" and "kmem -i" commands in 3.1 and later kernels
where the page structure's "_count" member was moved into an embedded
anonymous structure. Without the patch, the commands fail with the error
message "kmem: invalid structure member offset: page_count FILE: memory.c
LINE: 4610 FUNCTION: dump_mem_map_SPARSEMEM()".
* Allow the user to append data to the CFLAGS and LDFLAGS variables in the
top-level Makefile. The extra data should be put in files named
"CFLAGS.extra" and "LDFLAGS.extra" in the top-level directory; if either
or both files exist, the extra data within them will be appended to the
relevant variable. Typically the LDFLAGS.extra file will contain
"-l<library>" strings, and the CFLAGS.extra file will contain "-D<value>"
strings. This will allow the crash utility to be built with optional
libraries, and the code that references them to be encapsulated with
associated "#ifdef <value>" sections. The extra CFLAGS data will also be
passed to extension modules that are built within the local
"crash-<version>/extensions" subdirectory.
* The LDFLAGS setting in the Makefile can no longer be modified by hand. It
will be automatically configured by the "configure -b" option, based upon
the contents of the optional "LDFLAGS.extra" file.
* Fix for the "runq" command to display the runnable tasks that are
contained within a cgroup's task-group scheduling entity. Without the
patch, only scheduling entities that are individual tasks get displayed,
and runnable tasks in task-group scheduling entities get skipped.
* Fix for the SIAL extension module when repeatedly loading and unloading a
sial script when a full pathname is specified for the script. Without the
patch, the 4th unload attempt generates a segmentation violation.
* Fix for the SIAL extension module to register the help and usage functions
for a command only when loading a script.
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Accepted:
crash_6.0.1-1.diff.gz
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crash_6.0.1-1.dsc
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crash_6.0.1-1_amd64.deb
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crash_6.0.1.orig.tar.gz
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