On Tue, May 10, 2005 at 04:59:18PM -0700, Badari Pulavarty wrote:
> Hi,
>
> I am using kexec+kdump on 2.6.12-rc3-mm3 and it seems to be working
> fine on my 4-way P-III 8GB RAM machine. I did touch testing with
> kexec+kdump and it worked fine. Then ran heavy IO load and forced
> a panic and I was able to collect the dump. But I am not able to
> analyze the dump to find out if I really got a valid dump or not :(
>
Copying to LKML.
Gdb can not open a file larger than 2GB. You have got 8GB RAM hence
/proc/vmcore size must be similar. For testing purposes you can boot first
kernel with mem=2G and then take dump and analyze with gdb.
But we need to work on some crash analysis tools like "crash" to be able
to debug larger files.
> BTW, what architectures kexec+kdump supported ? Does it work on
> x86-64 ?
>
Kexec has been ported to x86-64 but not kdump.
Thanks
Vivek
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