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SubjectRe: 2.6.25-rc6: BUG: unable to handle kernel NULL pointer dereference

* Christian Kujau <lists@nerdbynature.de> wrote:

> On Thu, 27 Mar 2008, Thomas Gleixner wrote:
>> I had a lengthy bug decoding session with Ingo and we found the root
>> cause:
>> A dropped workaround for the prefetch bug in early X2s and
>> Opterons. Patch below.
>
> Although I reported it, I could not repoduce the bug. Anyway, I've
> applied your patch to -rc7 and no BUG so far :)

yeah, the condition would normally be very sporadic and it can easily
depend on a specific layout of your kernel image, etc.

the (updated) fix is in Linus' latest git tree as well, and in
x86.git/latest.

Ingo


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