Re: x86-64 bad pmds in 2.6.11.6 II

From: Dave Jones
Date: Tue May 10 2005 - 12:03:10 EST


On Tue, May 10, 2005 at 06:46:49PM +0200, Andi Kleen wrote:
> On Tue, May 10, 2005 at 12:38:51PM -0400, Dave Jones wrote:
> > On Tue, May 10, 2005 at 05:36:54AM -0400, Christopher Warner wrote:
> > > 2.6.11.5 kernel,
> > > Tyan S2882/dual AMD 246 opterons
> > > sh:18983: mm/memory.c:99: bad pmd ffff810005974cc8(00007ffffffffe46).
> > > sh:18983: mm/memory.c:99: bad pmd ffff810005974cd0(00007ffffffffe47).
> >
> > That's the 3rd or 4th time I've seen this reported on this hardware.
> > It's not exclusive to it, but it does seem more susceptible
> > for some reason. Spooky.
>
> It seems to be clear now that it is hardware independent.
>
> I actually got it once now too, but only after 24+h stress test :/
>
> I have a better debugging patch now that I will be testing soon,
> hopefully that turns something up.

Ok, I'm respinning the Fedora update kernel today for other
reasons, if you have that patch in time, I'll toss it in too.

Though as yet, no further reports from our users.

Dave

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