From: Mel Gorman <mel@csn.ul.ie>
To: Paul Larson <plars@linuxtestproject.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] 2.5.73 Scheduling while atomic with taskfile IO and high memory
Date: Tue, 1 Jul 2003 01:32:38 +0100 (IST) [thread overview]
Message-ID: <Pine.LNX.4.53.0307010130500.22576@skynet> (raw)
In-Reply-To: <1057005453.5264.2964.camel@plars>
On Mon, 30 Jun 2003, Paul Larson wrote:
> This sounds similar to what I was seeing with bug #800, only I don't
> think I had taskfile IO enabled. Another person I talked to had some
> success by enabling PIIX I think, but that did not work for me. The
> only workaround that worked for me was to disable highmem support.
I'm pretty sure we're looking at the same bug, at least they are
remarkably similar for a co-incidence. If you have the time, it might be
worth checking if commenting out inc_preempt_count() and
dec_preempt_count() from kmap_atomic() and kunmap_atomic() masks the bug
for you. It's not a workaround but it might help narrow down where things
are going wrong
--
Mel Gorman
MSc Student, University of Limerick
http://www.csn.ul.ie/~mel
next prev parent reply other threads:[~2003-07-01 0:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-30 20:01 Mel Gorman
2003-06-30 20:37 ` Paul Larson
2003-07-01 0:32 ` Mel Gorman [this message]
2003-06-30 21:04 ` Zwane Mwaikambo
2003-07-01 0:02 ` Mel Gorman
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