All of lore.kernel.org
 help / color / mirror / Atom feed
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


  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20040229200636.GI31904@suse.de \
    --to=axboe@suse.de \
    --cc=James.Bottomley@SteelEye.com \
    --cc=akpm@osdl.org \
    --cc=gibbs@scsiguy.com \
    --cc=jgarzik@pobox.com \
    --cc=linux-scsi@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.