linux-kernel - Re: 2.6.18-rc3-git3 - XFS - BUG: unable to handle kernel NULL pointer dereference at virtual address 00000078

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Date:	Fri, 4 Aug 2006 12:43:54 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"Nathan Scott" <nathans@....com>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com
Subject: Re: 2.6.18-rc3-git3 - XFS - BUG: unable to handle kernel NULL pointer dereference at virtual address 00000078

On 04/08/06, Nathan Scott <nathans@....com> wrote:
> On Fri, Aug 04, 2006 at 10:22:21AM +0200, Jesper Juhl wrote:
> > I just hit a BUG that looks XFS related.
> >
> > The machine is running 2.6.18-rc3-git3
> >
> > (more info below the BUG messages)
> >
>
> Thanks for reporting, Jesper - is it reproducible?

I don't know. I only tried that kernel once and when it broke on me
went back to the previous 2.6.11 kernel it was running before.

>  Could you try this
> patch for me?

Sure.
The machine is semi-production, so there are limits to how much and
when I can test on it.
roughly wednesday and thursday each week I should be able to run
experimental kernels on it, the rest of the week the box needs to be
stable.

>  We had a couple of other reports of this, but the earlier
> reporters have vanished ... could you let me know if this helps?
>

What I'll do is apply that patch to the 2.6.18-rc3-git3 kernel that
BUG'ed on me, then wednesday next week I'll boot the machine with the
patched kernel and it should be able to run for ~24hrs, then I can
report back to you if it crashed or not.

Or is there some other way you'd rather have me do it (subject to the
constraint that I can only do experiments one and a half to two days a
week) ?

-- 
Jesper Juhl <jesper.juhl@...il.com>
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