linux-kernel - Re: 2.6.18-git21, possible recursive locking in kseriod ends up in DWARF2 unwinder stuck

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Date:	Wed, 4 Oct 2006 23:25:39 +0200 (CEST)
From:	Jiri Kosina <jikos@...os.cz>
To:	Alessandro Suardi <alessandro.suardi@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: 2.6.18-git21, possible recursive locking in kseriod ends up in
 DWARF2 unwinder stuck

On Wed, 4 Oct 2006, Alessandro Suardi wrote:

> Non-fatal (box is still alive and apparently well) on boot,
> FC5-uptodate on a Dell Latitude C640. From the dmesg ring:

> [    8.680000] =============================================
> [    8.680000] [ INFO: possible recursive locking detected ]
> [    8.680000] 2.6.18-git21 #1
> [    8.680000] ---------------------------------------------
> [    8.680000] kseriod/163 is trying to acquire lock:
> [    8.680000]  (&ps2dev->cmd_mutex/1){--..}, at: [<c03198c3>]
> ps2_command+0x89/0x358

Me and Peter Zijlstra have already submitted patches to fix this - read 
the thread at 
http://linux.derkeiler.com/Mailing-Lists/Kernel/2006-09/msg07416.html

I don't know the reason why these have not yet been merged into the input 
tree. Dmitry?

Thanks,

-- 
Jiri Kosina
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