Re: bad pmd filemap.c, oops; 2.4.30 and 2.4.32

From: Willy Tarreau
Date: Wed Feb 08 2006 - 01:36:26 EST


On Tue, Feb 07, 2006 at 10:32:45PM -0800, Chris Stromsoe wrote:
> On Sun, 15 Jan 2006, Chris Stromsoe wrote:
> >On Sun, 15 Jan 2006, Willy TARREAU wrote:
> >>
> >>Thanks for the precision. So logically we should expect it to break
> >>sooner or later ?
> >
> >It is the same .config as one that crashed before, except that it has
> >DEBUG_SLAB defined. If it does not crash, then adding pci=noacpi to the
> >command fixes the problem for me.
>
> For what it's worth, I'm fairly certain at this point that the problem
> was hardware related. After a week of uptime with 2.6 we had another pmd
> error and oops. We then replaced the system board and one of the CPUs
> and have not seen any problems since.

Chris, thank you very much for this useful feedback. Now we're sure that
it's not worth investigating on the aic7xxx driver for any potential
memory corruption bug.

> -Chris

Regards,
Willy

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