From: Jens Axboe <axboe@suse.de>
To: Bill Davidsen <davidsen@tmr.com>
Cc: Doug Ledford <dledford@redhat.com>,
Arjan Van de Ven <arjanv@redhat.com>,
Peter Yao <peter@exavio.com.cn>,
linux-kernel@vger.kernel.org,
linux-scsi mailing list <linux-scsi@vger.kernel.org>
Subject: Re: smp dead lock of io_request_lock/queue_lock patch
Date: Thu, 15 Jan 2004 18:05:03 +0100 [thread overview]
Message-ID: <20040115170503.GY5507@suse.de> (raw)
In-Reply-To: <4006C76B.3090206@tmr.com>
On Thu, Jan 15 2004, Bill Davidsen wrote:
> Doug Ledford wrote:
> >On Mon, 2004-01-12 at 04:22, Jens Axboe wrote:
> >
> >>On Mon, Jan 12 2004, Arjan van de Ven wrote:
> >>
> >>>On Mon, Jan 12, 2004 at 10:19:46AM +0100, Jens Axboe wrote:
> >>>
> >>>>... and still exists in your 2.4.21 based kernel.
> >>>
> >>>The RHL 2.4.21 kernels don't have the locking patch at all...
> >>
> >>But RHEL3 does:
> >>
> >>http://kernelnewbies.org/kernels/rhel3/SOURCES/linux-2.4.21-iorl.patch
> >>
> >>and the bug is there.
> >
> >
> >But in RHEL3 the bug is fixed already (not in a released kernel, but the
> >fix went into our internal kernel some time back and will be in our next
> >update kernel). From my internal bk tree for this stuff:
>
> "not in a released kernel..." Do I read this right? That you have a fix
> for a critical bug and it hasn't been pushed to customers yet? How about
> security bugs, has the fix you pushed in RH-9.0 been push to EL customers?
Calm down, it's a bug fix for a deadlock that _could_ trigger on SMP
only in SCSI error recovery.
--
Jens Axboe
next prev parent reply other threads:[~2004-01-15 17:05 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-12 16:32 smp dead lock of io_request_lock/queue_lock patch Peter Yao
2004-01-12 9:08 ` Arjan van de Ven
2004-01-12 9:19 ` Jens Axboe
2004-01-12 9:19 ` Jens Axboe
2004-01-12 9:20 ` Arjan van de Ven
2004-01-12 9:22 ` Jens Axboe
2004-01-12 13:27 ` Doug Ledford
2004-01-15 17:01 ` Bill Davidsen
2004-01-15 17:05 ` Jens Axboe [this message]
2004-01-15 17:09 ` Arjan van de Ven
2004-01-15 19:30 ` Doug Ledford
-- strict thread matches above, loose matches on Subject: below --
2004-01-19 21:36 Martin Peschke3
2004-01-19 21:36 ` Martin Peschke3
2004-03-08 21:25 ` Doug Ledford
[not found] <1d6yN-6HH-17@gated-at.bofh.it>
[not found] ` <1dasC-5Ww-5@gated-at.bofh.it>
[not found] ` <1ejkf-724-13@gated-at.bofh.it>
[not found] ` <1elvB-Jt-25@gated-at.bofh.it>
2004-01-16 15:40 ` Bill Davidsen
2004-01-12 15:07 Martin Peschke3
2004-01-12 15:12 ` Arjan van de Ven
2004-01-12 19:48 ` Christoph Hellwig
2004-01-12 19:51 ` Doug Ledford
2004-01-12 20:03 ` Christoph Hellwig
2004-01-12 21:12 ` Jens Axboe
2004-01-13 20:55 ` Marcelo Tosatti
2004-01-17 13:10 ` Doug Ledford
2004-01-17 16:58 ` Christoph Hellwig
2004-01-17 19:07 ` Doug Ledford
2004-01-17 19:17 ` Christoph Hellwig
2004-01-17 19:21 ` Doug Ledford
2004-01-17 19:29 ` Christoph Hellwig
2004-01-17 20:36 ` Doug Ledford
2004-01-17 20:54 ` Christoph Hellwig
2004-01-20 7:53 ` Jens Axboe
2004-01-25 0:31 ` Kurt Garloff
2004-01-15 17:17 ` Bill Davidsen
2004-01-17 13:12 ` Doug Ledford
2004-01-17 15:16 ` Bill Davidsen
2004-01-17 16:07 ` Doug Ledford
2004-01-12 14:07 Martin Peschke3
2004-01-12 14:07 ` Martin Peschke3
2004-01-12 14:11 ` Arjan van de Ven
2004-01-12 14:13 ` Jens Axboe
2004-01-12 15:08 ` Doug Ledford
2004-01-12 15:24 ` James Bottomley
2004-01-12 15:43 ` Jens Axboe
2004-01-12 15:52 ` Doug Ledford
2004-01-12 16:04 ` James Bottomley
2004-01-12 16:05 ` Doug Ledford
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