memory.c - bad pmd - x86_64
Dave Jones
davej at redhat.com
Thu May 12 01:04:41 UTC 2005
On Wed, May 11, 2005 at 05:45:38PM -0700, Peter J. Stieber wrote:
> I have a system with a Tyan 2885 motherboard (S2885-ANRF) that uses dual
> Opteron 244 processors. Each processor has 1 GB of memory for a total
> of 2 GB. I am using a SATA HD. I am running the latest stock release of
> the SMP version of the FC3 kernel for x86_64. uname -a output follows:
>
> Linux maggie 2.6.11-1.14_FC3smp #1 SMP Thu Apr 7 19:36:23 EDT 2005
> x86_64 x86_64 x86_64 GNU/Linux
>
> The computer is worldly node for a small cluster of computers. It is
> resposible for building a code that is run on the cluster. A shell
> script is used to start the build process. Occasionally when the script
> is started it crashes and the following messages are place in
> /var/log/messages (sorry for the ugly line wrap):
>
> May 11 16:26:56 maggie kernel: mm/memory.c:97: bad pmd
> ffff81002f6a4000(0000000000000008).
Please grab the latest test kernel from
http://people.redhat.com/davej/kernels/Fedora/FC3
and try to reproduce this. It contains debugging code that
hopefully will help nail this.
Dave
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