Crash during vmcore_init

Tim Hartrick tim at edgecast.com
Wed Nov 16 08:44:48 EST 2011


Américo,

Ok, when I get to work, I will post the maps for 2.6.32 and 2.6.38 for
comparison.

tim
On Nov 16, 2011 5:31 AM, "Américo Wang" <xiyou.wangcong at gmail.com> wrote:

> On Wed, Nov 16, 2011 at 9:19 PM, Tim Hartrick <tim at edgecast.com> wrote:
> > America,
> >
> > To clarify, crashkernel=480 at 2G or @1G doesn"t work either.  Further, for
> > older kernels (2.6.32) it was possible to create crashkernel areas larger
> > than 480M (crashkernel=512M).  Starting somewhere around 2.6.36, this
> > stopped working.  Are you saying this was an intentional change?
> >
>
> No, I am not saying this.
>
> Depends on your machine, different versions of kernel may detect
> different memory ranges, so, you need to compare the output
> of /proc/iomem, or BIOS provided RAM map (in dmesg), on different
> version kernels, to know why that happened.
>
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