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8.23. crash
Updated crash packages that add various enhancements are now available for Red Hat Enterprise Linux 6.
The crash packages provide a self-contained tool that can be used to investigate live systems and kernel core dumps created from the netdump, diskdump, kdump, and Xen/KVM "virsh dump" facilities from Red Hat Enterprise Linux.
Enhancements
- BZ#902141
- Currently, dump files created by the makedumpfile utility using the snappy compression format are now readable by the crash utility. The snappy format is suitable for the crash dump mechanism that requires stable performance in any situation with enterprise application use.
- BZ#902144
- With this update, dump files created by the makedumpfile utility using the LZO compression format are now readable by the crash utility. The LZO compression format is fast and stable for randomized data.
- BZ#1006622
- This update adds support for compressed dump files created by the makedumpfile utility that were generated on systems with physical memory requiring more than 44 bits.
- BZ#1017930
- This update fixes faulty panic-task backtraces generated by the bt command in KVM guest dump files. The bt command now shows a trace when the guest operating system is panicking.
- BZ#1019483
- This update fixes the CPU number display on systems with 255 or more CPUs during the initialization, 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 show a "-" for the CPU number; for CPU numbers greater than 255, garbage values would be displayed in the CPU number field.
Users of crash are advised to upgrade to these updated packages, which add these enhancements.
