From: "Miquel van Smoorenburg" <miquels@cistron.nl>
To: linux-kernel@vger.kernel.org
Subject: Re: 2.6.4-rc1-mm[12] - dm_any_congested issues
Date: Sat, 6 Mar 2004 03:09:15 +0000 (UTC) [thread overview]
Message-ID: <c2bfcr$bkc$2@news.cistron.nl> (raw)
In-Reply-To: 200403051754.i25Hsjg7015052@turing-police.cc.vt.edu
In article <200403051754.i25Hsjg7015052@turing-police.cc.vt.edu>,
<Valdis.Kletnieks@vt.edu> wrote:
>On Tue, 02 Mar 2004 20:15:36 PST, Andrew Morton <akpm@osdl.org> said:
>
>(Added in -rc1-mm1 which I didn't try, problem noticed in -rc2-mm2)
>
>> queue-congestion-dm-implementation.patch
>> Implement queue congestion callout for device mapper
>
>This is causing the following trace every second or 2 on my laptop:
>
>Mar 4 17:47:26 turing-police kernel: Debug: sleeping function called
>from invalid context at include/linux/rwsem.h:43
>Of course backing it out makes the messages go away, since dm_any_congested()
>was added by that patch. This patch just not ready for prime time, or
>am I (as usual)
>managing to trip over some silly corner case due to odd configuration?
It's a bug. The new queue congestion function cannot sleep, yet
it calls parts of DM that can sleep (indirectly). This needs to
be fixed in DM (I think).
See https://www.redhat.com/archives/linux-lvm/2004-March/msg00033.html
Mike.
prev parent reply other threads:[~2004-03-06 3:09 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-03 4:15 2.6.4-rc1-mm2 Andrew Morton
2004-03-03 11:32 ` 2.6.4-rc1-mm2 J.A. Magallon
2004-03-03 18:46 ` 2.6.4-rc1-mm2 Adrian Bunk
2004-03-03 16:15 ` 2.6.4-rc1-mm2 (compile stats) John Cherry
2004-03-03 22:33 ` 2.6.4-rc1-mm2 Luiz Fernando Capitulino
2004-03-04 0:52 ` 2.6.4-rc1-mm2 Andrew Morton
2004-03-04 3:11 ` VM patches in 2.6.4-rc1-mm2 Mike Fedyk
2004-03-04 3:30 ` Andrew Morton
2004-03-04 3:57 ` Mike Fedyk
2004-03-10 8:20 ` Mike Fedyk
2004-03-10 8:36 ` Nick Piggin
2004-03-10 18:57 ` Mike Fedyk
2004-03-10 23:51 ` Nick Piggin
2004-03-11 0:17 ` Mike Fedyk
2004-03-11 0:25 ` Nick Piggin
2004-03-05 17:54 ` 2.6.4-rc1-mm[12] - dm_any_congested issues Valdis.Kletnieks
2004-03-06 3:09 ` Miquel van Smoorenburg [this message]
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