-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Format: 1.8 Date: Wed, 13 Feb 2013 09:28:40 -0700 Source: crash Binary: crash Architecture: source amd64 Version: 6.1.3-1 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 (6.1.3-1) unstable; urgency=low . * New upstream version 6.1.3 . * Implemented a new "crash --log dumpfile" option which dumps the kernel log buffer and exits. A kernel namelist is not required, but the dumpfile must contain the VMCOREINFO data from the ELF header of the original /proc/vmcore file that was created by the kexec/kdump facility. Accordingly, this option supports kdump ELF vmcores and compressed kdump vmcores created by the makedumpfile facility, including those that are in makedumpfile's intermediary "vmcore.flat" format. . * Fixes for the ppc64.c file to handle gcc-4.7.2 compiler warnings when building crash with "make warn", or compiler failures when building with "make Warn" on a PPC64 machine. Without the patch, gcc-4.7.2 generates three "error: variable ‘<variable>’ set but not used [-Werror=unused-but-set-variable]" messages. . * Update the PPC64 architecure's internal storage of the kernel's MAX_PHYSMEM_BITS value for Linux 3.7 and later kernels, which changed from 44 to 46 to for 64TB support. Without the patch, there is no known issue, but the stored value should be correct. . * Fix for the "mount" command's header display to indicate "MOUNT" instead of "VFSMOUNT" on Linux 3.3 and later kernels because the the first column contains a mount structure address instead of a vfsmount structure address. For those later kernels, it is permissable to enter either the mount structure address, or the address of the vfsmount structure that is embedded within it, as an optional argument. The output has also been tightened up so that the DIRNAME field is not shifted to the right based upon the DEVNAME field length. . * Fix for the "mount <superblock>" search option on 2.6.32 and later kernels. Without the patch, it is possible that multiple filesystems will be displayed. . * Update to the "mount" help page to indicate that a dentry address may be used as a search option. . * Fix for the "ps -l [pid|task|command]" option to display the specified tasks sorted with the most recently-run task (the largest last_run/timestamp) shown first, as is done with the "ps -l" option with no arguments. Without the patch, the timestamp data gets displayed in the order of the "[pid|task|command]" arguments. . * Added the "ps" command to the set of supported "foreach" commands, serving as an alternative manner of passing task-identifying arguments to the "ps" command. For example, a command such as "foreach RU ps" can be accomplished without having to pipe normal "ps" output to "grep RU". All "ps" options are supported from the "foreach" framework. . * Fix for the "ps -G" restrictor option such that it also takes affect if the -p, -c, -l, -a, -r or -g options are used. Without the patch, thread group filtering would only take effect when the default "ps" command is used without any of the options above. . * Fortify the internal hq_open() function to return FALSE if it is already open, and have restore_sanity() and restore_ifile_sanity() call hq_close() unconditionally. . * Added the "extend" command to the set of built-in commands that support minimal mode. A new MINIMAL flag has been created for extension modules to set in their command_table_entry.flags field(s) to signal that a command supports minimal mode. If the crash session has been invoked with --minimal, then the "extend" command will require that the module registers at least one command that has the MINIMAL bit set. . * Prevent the "__crc_*" symbols from being added to the the ARM kernel symbol list. . * Prevent the "PRRR" and "NMRR" absolute symbols from being added to the ARM kernel symbol list. Without the patch, it allows an invalid set of addresses to pass the check in the in_ksymbol_range() function. . * Fix for the ppc.c file to handle a gcc-4.7.2 compiler warning when building crash with "make warn", or compiler failures when building with "make Warn" on a PPC machine. Without the patch, gcc-4.7.2 generates the message "error: variable ‘dm’ set but not used [-Werror=unused-but-set-variable]". . * Workaround for the "crash --osrelease dumpfile" option to be able to work with malformed ARM compressed kdump headers. ARM compressed kdumps that indicate header version 3 may contain a malformed kdump_sub_header structure with offset_vmcoreinfo and size_vmcoreinfo fields offset by 4 bytes, and the actual vmcoreinfo data is not preceded by its ELF note header and its "VMCOREINFO" string. This workaround finds the vmcoreinfo data and patches the stored header's offset_vmcoreinfo and size_vmcoreinfo values. Without the patch, the "--osrelease dumpfile" command line option fails with the message "crash: compressed kdump: cannot lseek dump vmcoreinfo", followed by "unknown". . * Fix for the "help -n" option on 32-bit compressed kdumps. Without the patch, the offset_vmcoreinfo, offset_eraseinfo, and offset_note fields of the kdump_sub_header have their upper 32-bits clipped off when displayed. However, it should be harmless since the offset values point into the first few pages of the dumpfile. . * Update of the extensions/echo.c extension module example, and the "extend" help page, to utilize a constructor function to call the register_extension() function. The _init() and _fini() functions have been designated as obsolete for usage by dlopen() and dlclose(). The echo.c example module has been modified to contain echo_init() and echo_fini() functions marked as __attribute__((constructor)) and __attribute__((destructor)) respectively. . * Updated extensions/dminfo.c, extensions/snap.c and extensions/trace.c to replace their _init() and _fini() functions with constructor and destructor functions. . * Fix for the "bt" command on the PPC64 architecture when running on Linux 3.7 kernel threads. Without the patch, some kernel threads may fail to terminate on the final ".ret_from_kernel_thread" frame, repeating that frame endlessly, because the stack linkage pointer points back to itself instead of being NULL. 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