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Go Back   Linux Archive > Redhat > Crash Utility

 
 
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Old 02-06-2009, 08:06 PM
Dave Anderson
 
Default crash version 4.0-7.7 is available

- Because the ia64 and ppc64 architectures have configurable page
sizes, a host system running a crash session against a dumpfile may
have a different page size than the system that generated the
dumpfile. If the dumpfile is a compressed kdump vmcore or a
diskdump vmcore, the page size will be reset to the dumpfile header's
block_size variable if it does not agree with the host system's page
size. If the dumpfile is a 64-bit kdump ELF vmcore with vmcoreinfo
data that includes the crashing system's page size, that page size
will be used if the architecture is an ia64 or ppc64.
(holt@sgi.com, bwalle.suse.de)

- Fix for "mod -[sS]" command if the target module object filename
contains both underscore and dash characters. Without the patch
the module load would fail with the error message: "mod: cannot
find or load object file for <name> module". Examples are
the "aes_x86_64" module from the "aes-x86_64.ko" object file, and
the "dm_region_hash" module from the "dm-region_hash.ko" object file.
(anderson@redhat.com)

- Reject s390 and s390x "L2^B" local label symbols from the kernel
symbol list. (bwalle@suse.de)

- Enlarge the string format buffer in the show_last_run() function to
prevent a buffer overflow when running "ps -l".
(sachinp@in.ibm.com)

- Fix for "bt -a" to continue with the backtraces of the remaining
active tasks when one of them encounters a fatal error. Without
the patch, the command is aborted when any of the backtraces fail.
(anderson@redhat.com)

- Only allow trusted versions of .crashrc and .gdbinit files to be
sourced during session initialization. (anderson@redhat.com)

- Fix for a potential but highly unlikely buffer overflow in the gdb
dwarfread.c and dwarf2read.c files, which requires a hand-crafted
object file with a location block (DW_FORM_block) that contains a
large number of operations. (anderson@redhat.com)

- Fix for a potential but highly unlikely integer overflow in the
Binary File Descriptor (BFD) library, which requires a hand-crafted
object file that that specifies a large number of section headers,
leading to a heap-based buffer overflow. (anderson@redhat.com)

- Enable stack unwind on ia64 when using a kerntypes file as the
kernel namelist. (cpw@sgi.com)

- Fix for failure of "files -R" command option if an inode is unknown
due to a NULL f_dentry pointer in any open file structure because of
a kernel error condition. Without the patch, the command aborts
prematurely with the error message: "files: invalid input: ?".
(anderson@redhat.com)

- Allow an LKCD kerntypes debuginfo file created from a kernel module
to be loaded with the command: "mod -s <module> <kerntypes-file>".
(cpw@sgi.com)

- Increased NR_CPUS from 256 to 512 for x86_64, and from 128 to 1024
for ppc64. Made several NR_CPUS-bound static arrays in the internal
task_table and kernel_table structures dynamically allocated only
upon demand. (anderson@redhat.com)

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

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