Crash during vmcore_init

[Américo Wang]

Hi,

On Tue, Nov 15, 2011 at 2:50 AM, Tim Hartrick <tim at edgecast.com> wrote:
>
> The command line for the crashkernel:
>
> [    0.000000] Command line: BOOT_IMAGE=/vmlinuz-2.6.38-8-server
> root=UUID=ea7a5a27-d58f-469f-a19c-3e65b69587f6 ro console=ttyS0,115200n8
> irqpoll maxcpus=1 nousb memmap=exactmap memmap=640K at 0K
> memmap=261484K at 623232K elfcorehdr=884716K memmap=252K#2087484K
>

Hmm, "memmap=261484K at 623232K" which is 260a0000~35ffb000

it is right in the range of your crash kernel, which is

>  26000000-35ffffff : Crash kernel

35ffb000 is the elfcorehdr address, right at the end of the reserved memory.

memmap=252K#2087484K which is

> 7f68f000-7f6cdfff : ACPI Tables

looks fine too...

I guess it is probably the elfcorehdr is constructed incorrectly by /sbin/kexec,
if you have a chance to recompile the latest kexec-tools, please enable -DDEBUG
to get diagnosis information.

Thanks.