From: Andrew Morton <akpm@digeo.com>
To: Mark Haverkamp <markh@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Call trace at mm/page-writeback.c in 2.5.47
Date: Wed, 20 Nov 2002 14:02:09 -0800 [thread overview]
Message-ID: <3DDC0661.B0292BF0@digeo.com> (raw)
In-Reply-To: 1037826852.8555.83.camel@markh1.pdx.osdl.net
Mark Haverkamp wrote:
>
> On Wed, 2002-11-20 at 11:07, Andrew Morton wrote:
> > Mark Haverkamp wrote:
> > >
> > > While running a memory stress workload test on a 16 processor numa
> > > system, I received a number of call traces like the following:
> >
> > What is the workload? And in which journalling mode was ext3
> > being used?
>
> I am using bash-shared-mapping and the ext3 journaling mode was the
> default.
OK, thanks. The fact that we actually survive this, on ext3, on
a 16p NUMA-Q is fairly encouraging.
> ...
>
> I get about 10 of these each time I run. Usually after a few minutes of
> run time and all at once. Then no more.
The warning shuts itself up after 10 messages.
> I tried your suggestion and still got the call traces:
>
> buffer layer error at mm/page-writeback.c:559
I shall attempt to reproduce this, thanks.
next prev parent reply other threads:[~2002-11-20 21:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-20 21:14 Call trace at mm/page-writeback.c in 2.5.47 Mark Haverkamp
2002-11-20 22:02 ` Andrew Morton [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-11-20 16:07 Mark Haverkamp
2002-11-20 19:07 ` Andrew Morton
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