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Re: 2.6.7-vanilla-SMP kernel: pagebuf_get: failed to lookup pages

To: L A Walsh <lkml@xxxxxxxxx>, linux-xfs@xxxxxxxxxxx
Subject: Re: 2.6.7-vanilla-SMP kernel: pagebuf_get: failed to lookup pages
From: Joshua Schmidlkofer <kernel@xxxxxxxxxxxxxx>
Date: Wed, 21 Jul 2004 23:13:30 -0700
In-reply-to: <40FF0885.7060704@tlinx.org>
References: <40FF0479.6050509@tlinx.org> <20040722001224.GC30595@taniwha.stupidest.org> <40FF0885.7060704@tlinx.org>
Sender: linux-xfs-bounce@xxxxxxxxxxx
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L A Walsh wrote:

Will this be included/fixed in 2.6.8?

How serious is the problem? The system doesn't seem to panic or indicate backup
failures.


Setting up a CVS tree to get a patch for a "stable-series" kernel seems a bit
unstable. I'm not sure what I'd pull in besides the fix or even if I'd pull
down a coherent/stable CVS image if I downloaded in the middle of when some
other patch was being checked in. Maybe I'm sounding like a wimp, but the idea
of pulling in freshly checked in CVS code for use on a 'stable' machine is
bordering on my discomfort zone. :-)


-l


FWIW I am getting this error. I assumed it was my NVIDIA binary drivers causing it. However, there are lots of weird allocator issues popping up right now [so it seems]. I have checked my FS several times, and it does not seem to be a problem. It only happens when I have large blocks of memory sucked into some process, which would lead me to believe that there is some amount of memory pressure leading up to them. The pagebuf_get is a note, but it does not seem to be an error. AFAICT the XFS folks tend to "dead-lock instead of corrupt" [which is standard fare in the Linux kernel]. So you will have your own mileage I am sure. If it is a production machine, and 2.6.6 ran fine, unless you need something specific I would back-rev and wait.

All that being said, I have not tried to Use The Source(tm). So all I have is speculation.

js


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