From: Paul Larson <plars@linuxtestproject.org>
To: Mel Gorman <mel@csn.ul.ie>
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: 30 Jun 2003 15:37:32 -0500 [thread overview]
Message-ID: <1057005453.5264.2964.camel@plars> (raw)
In-Reply-To: <Pine.LNX.4.53.0306302052520.22576@skynet>
On Mon, 2003-06-30 at 15:01, Mel Gorman wrote:
> It only appears if high memory and taskfile IO are enabled at configure
> time and I think it is related to kmap_atomic() and kunmap_atomic(). If I
> comment out the lines inc_preempt_count() and dec_preempt_count() in the
> kmap() functions, it boots fine. I also know that preempt_count() shows
> higher and higher values while printing this loop message.
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. The
link is: http://bugme.osdl.org/show_bug.cgi?id=800. I havn't tried it
this week, but I don't think it's been fixed yet.
Thanks,
Paul Larson
next prev parent reply other threads:[~2003-06-30 20:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-06-30 20:01 [BUG] 2.5.73 Scheduling while atomic with taskfile IO and high memory Mel Gorman
2003-06-30 20:37 ` Paul Larson [this message]
2003-07-01 0:32 ` Mel Gorman
2003-06-30 21:04 ` Zwane Mwaikambo
2003-07-01 0:02 ` Mel Gorman
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