Vivek Goyal wrote:
How do I subscribe to the kexec mailing list on lists.infradead.org?
I tried majordomo, as on vger, but it didn't work.
-piet
On Mon, Sep 10, 2007 at 11:35:21AM -0700, Randy Dunlap wrote:
On Fri, 7 Sep 2007 17:57:46 +0900 Ken'ichi Ohmichi wrote:
Hi,
I released a new makedumpfile (version 1.2.0) with vmcoreinfo support.
I updated the patches for linux and kexec-tools.
PATCH SET:
[1/2] [linux-2.6.22] Add vmcoreinfo
The patch is for linux-2.6.22.
The patch adds the vmcoreinfo data. Its address and size are output
to /sys/kernel/vmcoreinfo.
[2/2] [kexec-tools] Pass vmcoreinfo's address and size
The patch is for kexec-tools-testing-20070330.
(http://www.kernel.org/pub/linux/kernel/people/horms/kexec-tools/)
kexec command gets the address and size of the vmcoreinfo data from
/sys/kernel/vmcoreinfo, and passes them to the second kernel through
ELF header of /proc/vmcore. When the second kernel is booting, the
kernel gets them from the ELF header and creates vmcoreinfo's PT_NOTE
segment into /proc/vmcore.
Hi,
When using the vmcoreinfo patches, what tool(s) are available for
analyzing the vmcore (dump) file? E.g., lkcd or crash or just gdb?
gdb works for me, but I tried to use crash (4.0-4.6 from
http://people.redhat.com/anderson/) and crash complained:
crash: invalid kernel virtual address: 0 type: "cpu_pda entry"
Should crash work, or does it need to be modified?
Hi Randy,
Crash should just work. It might broken on latest kernel. Copying it
to crash-utility mailing list. Dave will be able to tell us better.
This is on a 2.6.23-rc3 kernel with vmcoreinfo patches and a dump file
with -l 31 (dump level 31, omitting all possible pages).
Thanks
Vivek
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