linux-kernel - Re: What to do with this message (2.6.30.1) ?

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Message-ID: <alpine.DEB.2.00.0907150430080.4475@p34.internal.lan>
Date:	Wed, 15 Jul 2009 04:31:36 -0400 (EDT)
From:	Justin Piszcz <jpiszcz@...idpixels.com>
To:	David Rientjes <rientjes@...gle.com>
cc:	Stephan von Krawczynski <skraw@...net.com>,
	Jesse Brandeburg <jesse.brandeburg@...il.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: What to do with this message (2.6.30.1) ?



On Wed, 15 Jul 2009, David Rientjes wrote:

> On Wed, 15 Jul 2009, Stephan von Krawczynski wrote:
>
>> Jul 15 03:01:29 backup kernel: 1444268 total pagecache pages
>> Jul 15 03:01:29 backup kernel: 34 pages in swap cache
>> Jul 15 03:01:29 backup kernel: Swap cache stats: add 118, delete 84, find 0/2
>> Jul 15 03:01:29 backup kernel: Free swap  = 2104080kB
>> Jul 15 03:01:29 backup kernel: Total swap = 2104488kB
>>
>
> I added Justin Piszcz to the cc since he was having the same problem as
> described in http://bugzilla.kernel.org/show_bug.cgi?id=13648.
>
> He was unable to get slabtop -o output when this was happening, though, so
> maybe you could grab a snapshot of that when you get these failures?  It
> will help us figure out what cache the slab leak is in (assuming there is
> one, >1G of slab on this machine is egregious).
>
> Justin, were you using e1000e in your bug report?
Yes:

[    9.302541] e1000e 0000:00:19.0: irq 32 for MSI/MSI-X

I will note with 2.6.30.1 (thus far) it has not re-appeared (yet).

>
> If you have some additional time, it would also be helpful to get a
> bisection of when the problem started occurring (it appears to be sometime
> between 2.6.29 and 2.6.30).
>

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