linux-kernel - Re: [PATCH RESEND] tty: don't dead lock while flushing workqueue

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Message-ID: <20121130170938.GA7323@breakpoint.cc>
Date:	Fri, 30 Nov 2012 18:09:38 +0100
From:	Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org, Alan Cox <alan@...ux.intel.com>
Subject: Re: [PATCH RESEND] tty: don't dead lock while flushing workqueue

On Tue, Nov 27, 2012 at 07:01:08PM +0100, Sebastian Andrzej Siewior wrote:
> Since commit 89c8d91e31f2 ("tty: localise the lock") I see a dead lock
> in one of my dummy_hcd + g_nokia test cases. The first run one was usually
> okay, the second often resulted in a splat by lockdep and the third was
> usually a dead lock.

Ping. Can you feed this to your tty tree? :)

Sebastian
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