11:12 a.m.
Download from: http://people.redhat.com/anderson
or
https://github.com/crash-utility/crash/releases
Note that the new GitHub repository was initiated with crash-7.0.4.
The master branch will contain all patches that are queued for the
next release:
$ git clone git://github.com/crash-utility/crash.git
Changelog:
- Fix for the "runq -g" option for kernels that are configured with
CONFIG_FAIR_GROUP_SCHED, but not CONFIG_CFS_BANDWIDTH. Without the
patch, the command fails with the message "runq: invalid structure
member offset: cfs_rq_throttled".
(vinayakm.list(a)gmail.com)
- Add support for Xen PVH guest types introduced in Xen 4.4. Without
the patch, running against a Xen 4.4 hypervisor binary would fail
during session initialization with the error message "crash: invalid
structure member offset: domain_is_hvm". In addition, the PVH guest
type is being registered internally as an HVM guest type, the debug
"help -X ofs" command's display of the domain_domain_flags offset
has been fixed to show it in decimal, and the setting of the internal
dc->domain_flags has been fixed to contain all flags set, not just
the first one found.
(dslutz(a)verizon.com)
- Fix for the "kmem -S" command on Linux 3.1 and later kernels that are
configured with CONFIG_SLUB. Because the the page structure's inuse
and objects fields used by SLUB were changed from discrete u16 types
to bit-fields within an unsigned int, the display of per-node partial
slab statistics are incorrect. Without the patch, the TOTAL and
ALLOCATED values are incorrectly shown as equal values, and therefore
the FREE value is always zero.
(anderson(a)redhat.com)
- Fix for the "kmem -S" command for kernels that are configured with
CONFIG_SLUB. Eash per-cpu slab object dump may show incorrect
ALLOCATED and FREE values; and as seen on Linux 3.5 and later
kernels, the TOTAL value and the number of individual objects dumped
may also be incorrect (too small).
(anderson(a)redhat.com)
- When executing the commands from an input file specified by the
"-i <file>" command line option, or when accepting input from a
file as a set of commands or as a set of command arguments using the
"<" redirection character, unconditionally cease the operation if
CTRL-c is entered. Without the patch, depending upon the command
that was running when the SIGINT was received, the operation may
continue uninterruptibly until the file contents are consumed.
(anderson(a)redhat.com)
- Enhanced the "bt -F" option such that if "-F" is entered twice,
and if the stack frame contents reference a slab cache object, both
the slab cache name and the stack contents will be displayed within
brackets.
(anderson(a)redhat.com)
- Enhanced the "rd -S" option such that if "-S" is entered twice,
and if the memory contents reference a slab cache object, both the
slab cache name and the memory contents will be displayed within
brackets.
(anderson(a)redhat.com)
- Fix for the X86_64 "bt" command to prevent an unwarranted message
indicating "WARNING: possibly bogus exception frame" generated
from a blocked kernel thread that was in the process of exec'ing
a user process via the call_usermodehelper() facility.
(anderson(a)redhat.com)
- Fix for the X86_64 "bt" command to more correctly determine the
function frame that called into an interrupted function. Without
the patch, the first frame just above an IRQ exception frame
register dump may show an invalid/stale function.
(anderson(a)redhat.com)
- Fix for the X86_64 "bt" command if a page fault exception was
generated by the invalid contents of the RIP register. Without
the patch, the exception frame register dump is not displayed
above the "page_fault" stack frame; and in a related issue, the
"bt -e" option will not find and display the exception frame.
(anderson(a)redhat.com)
- When invoking a crash session with a compressed vmlinux file,
make the same host-machine/vmlinux endian verification that is
done with uncompressed vmlinx files.
(anderson(a)redhat.com)
- Reduce the number of CTRL-c entries required to unconditionally
terminate any manually-entered command from three to one.
(anderson(a)redhat.com)
- Fix for the X86_64 "bt" command if an async page fault exception
occurred in a KVM guest running a Linux 2.6.38 or later kernel.
Without the patch, the exception frame register dump is not displayed
above the "async_page_fault" stack frame.
(anderson(a)redhat.com)