From: Rik van Riel <riel@redhat.com>
To: "Mr. Berkley Shands" <bshands@exegy.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.23-rc9 kswapd infinite loop
Date: Tue, 9 Oct 2007 13:16:38 -0400 [thread overview]
Message-ID: <20071009131638.190989af@cuia.boston.redhat.com> (raw)
In-Reply-To: <470BAD2E.7000305@exegy.com>
On Tue, 09 Oct 2007 11:32:46 -0500
"Mr. Berkley Shands" <bshands@exegy.com> wrote:
> I have a reproducible hang with kswapd in the run queue, everything else is
> in an i/o wait. The load average is climbing.
> Hints anyone (please) as to how to slay this dragon?
Since kswapd is running the whole time, sysrq-P could give a useful set of
backtraces (with a bit of luck). With a handful of different backtraces
it should be obvious which functions kswapd is looping through.
Once we have that, I'll try to whip up a patch to get it fixed.
--
All Rights Reversed
prev parent reply other threads:[~2007-10-09 17:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-09 16:32 2.6.23-rc9 kswapd infinite loop Mr. Berkley Shands
2007-10-09 17:16 ` Rik van Riel [this message]
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