Hi,
Following set of patches go one step ahead in restoring the broken kdump
functionality in -mm tree on x86. Most of the kdump functionality has
now moved to kexec user space (kexec-tools).
This patch set performs following.
kexec-tool-1.101
(http://www.xmission.com/~ebiederm/files/kexec/kexec-tools-1.101.tar.gz)
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- Create a backup region and copy the first 640K of memory to backup
region over a crash.
- Generate Elf headers representing crashed memory and store in reserved
region. Also appends the memmap= and elfcorehdr= parameters to command
line internally to be passed to capture kernel.
2.6.11-rc4-mm1
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- Export address of start of crash notes section (crash_notes) to user
space through sysfs
I look forward for comments and suggestions. I have done basic testing
on uni and 4way (SMT) systems.
2.6.11-rc4-mm1 does not boot if booted with kexec enabled and
crashkernel=X@Y is passed as command line parameter. Following patch
needs to be applied to rectify the problem.
http://lkml.org/lkml/2005/2/24/51
Thanks
Vivek