netdev - Re: [PATCH net] gianfar: Fix boot hangs while bringing up gianfar ethernet

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Date:	Mon, 09 Feb 2009 14:58:52 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	jarkao2@...il.com
Cc:	jeff@...zik.org, iws@...o.caltech.edu, jacmet@...site.dk,
	dai.haruki@...escale.com, afleming@...escale.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net] gianfar: Fix boot hangs while bringing up gianfar
 ethernet

From: Jarek Poplawski <jarkao2@...il.com>
Date: Mon, 9 Feb 2009 20:34:40 +0100

> gianfar: Fix boot hangs while bringing up gianfar ethernet
> 
> Ira Snyder found that commit 8c7396aebb68994c0519e438eecdf4d5fa9c7844
> "gianfar: Merge Tx and Rx interrupt for scheduling clean up ring" can
> cause hangs. It's because there was removed clearing of interrupts in
> gfar_schedule_cleanup() (which is called by an interrupt handler) in
> case when netif scheduling has been disabled. This patch brings back
> this action and a comment.
> 
> Reported-by: Ira Snyder <iws@...o.caltech.edu>
> Reported-by: Peter Korsgaard <jacmet@...site.dk>
> Bisected-by: Ira Snyder <iws@...o.caltech.edu>
> Tested-by: Peter Korsgaard <jacmet@...site.dk>
> Tested-by: Ira Snyder <iws@...o.caltech.edu>
> Signed-by: Jarek Poplawski <jarkao2@...il.com>

Applied, thanks everyone.
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