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Message-ID: <alpine.DEB.0.999.0709021455510.7103@sheep.housecafe.de>
Date: Sun, 2 Sep 2007 15:11:29 +0200 (CEST)
From: Christian Kujau <lists@...dbynature.de>
To: linux-kernel@...r.kernel.org
cc: netdev@...r.kernel.org
Subject: 2.6.23-rc5: possible irq lock inversion dependency detected
Hi,
after upgrading to 2.6.23-rc5 (and applying davem's fix [0]), lockdep
was quite noisy when I tried to shape my external (wireless) interface:
[ 6400.534545] FahCore_78.exe/3552 just changed the state of lock:
[ 6400.534713] (&dev->ingress_lock){-+..}, at: [<c038d595>] netif_receive_skb+0x2d5/0x3c0
[ 6400.534941] but this lock took another, soft-read-irq-unsafe lock in the past:
[ 6400.535145] (police_lock){-.--}
This happened when I executed: http://nerdbynature.de/bits/2.6.23-rc5/qos.sh.txt
(using iproute2-ss070313). The is still running, I just noticed a short
hickup, probably when it was busy writing the warning to the disk.
More details and .config: http://nerdbynature.de/bits/2.6.23-rc5/
I'm not really sure what the application mentioned in the message above
has to do with this: the application[1] has been running since bootup as
a non-privileged user and did so for earlier kernel versions too.
Christian.
[0] http://lkml.org/lkml/2007/9/2/6
[1] http://folding.stanford.edu/linux.html
--
BOFH excuse #294:
PCMCIA slave driver
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