From: Christoph Hellwig <hch@infradead.org>
To: Andries Brouwer <aebr@win.tue.nl>
Cc: linux-scsi@vger.kernel.org,
linux-usb-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] oops in sd_shutdown
Date: Tue, 12 Aug 2003 07:53:53 +0100 [thread overview]
Message-ID: <20030812075353.A18547@infradead.org> (raw)
In-Reply-To: <20030812002844.B1353@pclin040.win.tue.nl>; from aebr@win.tue.nl on Tue, Aug 12, 2003 at 12:28:44AM +0200
On Tue, Aug 12, 2003 at 12:28:44AM +0200, Andries Brouwer wrote:
> I see an Oops in the SCSI code, caused by the fact that sdkp is NULL
> in sd_shutdown. "How can that be?", you will ask - dev->driver_data was set
> in sd_probe. But in my case sd_probe never finished. An insmod usb-storage
> hangs forever, or at least for more than six hours, giving ample opportunity
> to observe this race between sd_probe and sd_shutdown.
> (Of course sd_probe hangs in sd_revalidate disk.)
Well, this same problem could show upb in any other driver. Could
you instead send a patch to Pat that the driver model never calls
the shutdown method for a driver that hasn't finished ->probe?
next prev parent reply other threads:[~2003-08-12 6:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.53.0308111426570.16008@thevillage.soulcatcher>
2003-08-11 22:28 ` [PATCH] oops in sd_shutdown Andries Brouwer
2003-08-12 1:13 ` Jeff Woods
2003-08-12 2:49 ` Andries Brouwer
2003-08-12 6:35 ` Jeff Woods
2003-08-12 21:36 ` [linux-usb-devel] " Greg KH
2003-08-12 6:53 ` Christoph Hellwig [this message]
2003-08-12 8:51 ` Andries Brouwer
2003-08-12 21:35 ` [linux-usb-devel] " Greg KH
2003-08-13 0:24 ` Mike Anderson
2003-08-13 10:46 ` Andries Brouwer
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