From: Jens Axboe <axboe@suse.de>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: "Justin T. Gibbs" <gibbs@scsiguy.com>,
James Bottomley <James.Bottomley@SteelEye.com>,
SCSI Mailing List <linux-scsi@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH] Fix aic7xxx del_timer_sync() deadlock
Date: Sun, 29 Feb 2004 21:06:36 +0100 [thread overview]
Message-ID: <20040229200636.GI31904@suse.de> (raw)
In-Reply-To: <4042410C.7070701@pobox.com>
On Sun, Feb 29 2004, Jeff Garzik wrote:
> Justin T. Gibbs wrote:
> >>>Exactly. The block layer shouldn't be involved in this at all. In the
> >>>particular case I was talking about, busy or queue full with no I/O
> >>>pending,
> >
> > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >
> >
> >>Agreed for busy.
> >>
> >>But queue full?
> >
> >
> >Some SCSI devices send Queue Full instead of Busy in the case of
> >a "busy" condition with no I/O pending.
>
>
> Gotcha, thanks.
Don't forget that this isn't the only condition. What about pci dma
mapping failures?
--
Jens Axboe
next prev parent reply other threads:[~2004-02-29 20:06 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-27 18:26 [PATCH] Fix aic7xxx del_timer_sync() deadlock James Bottomley
2004-02-27 19:23 ` Justin T. Gibbs
2004-02-27 19:34 ` James Bottomley
2004-02-27 20:50 ` Justin T. Gibbs
2004-02-28 15:39 ` James Bottomley
2004-02-29 19:26 ` Justin T. Gibbs
2004-02-29 21:10 ` James Bottomley
2004-02-29 22:23 ` Justin T. Gibbs
2004-02-29 21:25 ` James Bottomley
2004-02-28 2:40 ` Jeff Garzik
2004-02-28 9:25 ` Jens Axboe
2004-02-28 23:50 ` Jeff Garzik
2004-02-29 9:13 ` Jens Axboe
2004-02-29 16:21 ` Jeff Garzik
2004-02-29 16:39 ` Jens Axboe
2004-02-29 17:28 ` Jeff Garzik
2004-02-29 17:55 ` Jens Axboe
2004-02-29 18:57 ` Justin T. Gibbs
2004-02-29 19:00 ` Jeff Garzik
2004-02-29 19:28 ` Justin T. Gibbs
2004-02-29 19:37 ` Jeff Garzik
2004-02-29 19:42 ` Justin T. Gibbs
2004-02-29 19:44 ` Jeff Garzik
2004-02-29 20:06 ` Jens Axboe [this message]
2004-02-29 20:20 ` Jeff Garzik
2004-02-29 20:27 ` Jens Axboe
2004-02-29 20:28 ` Jeff Garzik
2004-02-29 19:43 ` Jeff Garzik
2004-02-29 20:04 ` Jens Axboe
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