linux-kernel - Re: function call fw_iso_resource_mange(..) (core-iso.c) does not return

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Message-ID: <1c680aea58e7923c02b88a41c1b2bd7c@gatzka.org>
Date:	Wed, 22 May 2013 10:52:37 +0200
From:	Stephan Gatzka <stephan.gatzka@...il.com>
To:	Peter Hurley <peter@...leysoftware.com>
Cc:	Stefan Richter <stefanr@...6.in-berlin.de>,
	Tejun Heo <tj@...nel.org>,
	linux1394-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: function call fw_iso_resource_mange(..) (core-iso.c) does not return


> An important note with case b) is that Ralf (the original reporter) was
> running 3.4.something.  I'm aware that some work has gone into 
> workqueue
> locks in 3.9 and 3.10. I asked Ralf if he could reproduce on a more
> recent kernel but never heard back. Maybe these are two different 
> problems
> (ie, a failure to guarantee forward progress on a single workqueue and
> a straightforward deadlock when using two wqs)?
> 
> Stephan Gatzka,
> what kernel version did you instrument and reproduce this with?
> 

Ralf and I are working together on the same system. It's kernel 3.4.28, 
patched with Xenomai 2.6.1.

Regards,

Stephan
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