From: Andrea Righi <righi.andrea@gmail.com>
To: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
Andrey Borzenkov <arvidjaar@gmail.com>,
Geert Uytterhoeven <geert@linux-m68k.org>,
"Antonino A. Daplas" <adaplas@gmail.com>,
linux-fbdev-devel@lists.sourceforge.net,
linux-pm@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Dave Jones <davej@redhat.com>,
Harvey Harrison <harvey.harrison@gmail.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Stefan Richter <stefanr@s5r6.in-berlin.de>
Subject: Re: commit 66c1ca breaks fbdev mode switching
Date: Mon, 6 Apr 2009 23:45:29 +0200 [thread overview]
Message-ID: <20090406214528.GA17259@linux> (raw)
In-Reply-To: <20090406204718.ce4909b3.krzysztof.h1@poczta.fm>
On Mon, Apr 06, 2009 at 08:47:18PM +0200, Krzysztof Helt wrote:
> Hi,
>
> The commit 66c1ca breaks fbdev mode switching. The first mode
> (selected with mode_option or during boot) is ok but every mode
> switch with fbset locks up computer. If the commit is reverted
> mode switching works correctly.
>
> I do not understand why. I would be grateful if someone else
> can confirm the problem as well.
>
> The commit's details are:
>
> commit 66c1ca019078220dc1bf968f2bb18421100ef147
> Author: Andrea Righi <righi.andrea@gmail.com>
> Date: Tue Mar 31 15:25:18 2009 -0700
>
> fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency
>
>
> Regards,
> Krzysztof
Any lockdep info or oops? it just locks up the system?
Thanks,
-Andrea
next prev parent reply other threads:[~2009-04-06 21:45 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-27 18:37 [2.6.29-rc2] fb_mmap: circular locking dependency on hibernation Andrey Borzenkov
2009-01-29 9:10 ` [Linux-fbdev-devel] " Geert Uytterhoeven
2009-01-29 10:03 ` Andrea Righi
2009-01-30 4:15 ` Andrey Borzenkov
2009-01-30 10:23 ` Andrea Righi
2009-01-31 15:53 ` Andrea Righi
2009-01-31 16:05 ` Andrey Borzenkov
2009-01-31 17:09 ` Andrea Righi
2009-01-31 17:44 ` Geert Uytterhoeven
2009-01-31 18:11 ` Andrea Righi
2009-02-01 7:15 ` Andrey Borzenkov
2009-02-01 22:50 ` Andrea Righi
2009-02-02 17:36 ` Andrey Borzenkov
2009-02-03 10:09 ` Andrea Righi
2009-02-04 8:19 ` Andrey Borzenkov
2009-02-04 21:46 ` [PATCH -mmotm] fbmem: fix fb_info->lock and mm->mmap_sem circular locking dependency Andrea Righi
2009-02-04 23:58 ` Rafael J. Wysocki
2009-02-05 1:49 ` Rafael J. Wysocki
2009-03-22 14:48 ` Andrey Borzenkov
2009-03-22 17:57 ` Rafael J. Wysocki
2009-03-22 21:52 ` Andrew Morton
2009-04-06 18:47 ` commit 66c1ca breaks fbdev mode switching Krzysztof Helt
2009-04-06 21:45 ` Andrea Righi [this message]
2009-04-07 9:17 ` Geert Uytterhoeven
2009-04-07 9:54 ` Andrea Righi
-- strict thread matches above, loose matches on Subject: below --
2009-04-07 6:11 krzysztof.h1
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