linux-kernel - Re: [PATCH] sky2: detect and prevent kernel panic from a possible faulty hardware

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Message-Id: <20130730.161906.1898764862564749288.davem@davemloft.net>
Date:	Tue, 30 Jul 2013 16:19:06 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	sam8641@...il.com
Cc:	mlindner@...vell.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sky2: detect and prevent kernel panic from a possible
 faulty hardware

From: Samuel Williams <sam8641@...il.com>
Date: Sat, 27 Jul 2013 15:35:54 -0500

> A possible faulty hardware might interrupt with a status of 0xffffffff which
> may kernel panic if sky2 driver tries to handle it. Detecting this problem
> may avoid kernel panic.
> 
> Signed-off-by: Samuel Williams <sam8641@...il.com>

Sure, but then the device is basically just going to stop.

I think this change needs to be more comprehensive, for example it
needs to fully reset the device and try to get it operational again.
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