linux-kernel - BUG: scheduling while atomic: iwl3945/0/3680/0x00000002 during resume from suspend

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Date:	Sun, 9 Nov 2008 15:14:12 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	ipw3945-devel@...ts.sourceforge.net, reinette.chatre@...el.com,
	yi.zhu@...el.com, linux-wireless@...r.kernel.org
Subject: BUG: scheduling while atomic: iwl3945/0/3680/0x00000002 during
	resume from suspend

Hi,

I have noticed BUG condition (%subj) during resume from suspend (see
attached dmesg from the resume start) if wireless interface is up
during suspend to RAM (BUG doesn't occure when interface is not
configured during suspend).

Notebook seems to survive this problem without any noticeable problems
(wifi is working).

I am using recent Linus git tree (75fa67706cce5272bcfc51ed646f2da21f3bdb6e) 
with the config attached but the same problem occurs on the 2.6.28-rc2
and 2.6.27 kernels too (see logs). Traces are not the same, but they are
very similar.

Let me know if you need more information or want to try some patches. I
can bisect down if this is a new problem.

Thanks
and
Best regards
-- 
Michal Hocko
L3 team 
SUSE LINUX s.r.o.
Lihovarska 1060/12
190 00 Praha 9    
Czech Republic

View attachment "iwl3945.suspend.resume.dmesg-2.6.27" of type "text/plain" (18914 bytes)

View attachment "iwl3945.suspend.resume.dmesg-2.6.28-rc2" of type "text/plain" (19300 bytes)

View attachment "iwl3945.suspend.resume.dmesg-2.6.28-rc3" of type "text/plain" (19920 bytes)

View attachment "config-2.6.27" of type "text/plain" (53351 bytes)

View attachment "config-2.6.28-rc2" of type "text/plain" (55709 bytes)

View attachment "config-2.6.28-rc3" of type "text/plain" (55974 bytes)

View attachment "lspci" of type "text/plain" (12526 bytes)