From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mark Haverkamp <markh@osdl.org>
Cc: Nick Piggin <piggin@cyberone.com.au>,
Andrew Morton <akpm@osdl.org>, Cliff White <cliffw@osdl.org>,
linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] as i/o hang with aacraid driver 2.6.0-test1
Date: 16 Jul 2003 14:06:40 +0100 [thread overview]
Message-ID: <1058360799.6600.0.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <1058310172.981.7.camel@markh1.pdx.osdl.net>
On Mer, 2003-07-16 at 00:02, Mark Haverkamp wrote:
> Daniel McNeil and I have been debugging a hang with the aacraid driver
> using the as I/O scheduler. We found that scsi_request_fn would
> de-queue a request and later re-queued it. This left the
> as_data->nr_dispatched variable in an inconsistent state (it was never
> being decremented back to zero). We added a call to
> elv_completed_request to clean up the state before re-adding the
> request. This has fixed our hang problem. The linux-scsi list is being
> copied for review of the scsi_lib.c change.
Your aacraid is now terminally obsolete btw, the 2.4 one adds new cards
and fixes some bugs including one or two "under high load it dies" cases
prev parent reply other threads:[~2003-07-16 12:54 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-15 23:02 [PATCH] as i/o hang with aacraid driver 2.6.0-test1 Mark Haverkamp
2003-07-16 1:40 ` Nick Piggin
2003-07-16 5:53 ` Jens Axboe
2003-07-16 12:41 ` James Bottomley
2003-07-16 12:45 ` Jens Axboe
2003-07-16 12:56 ` James Bottomley
2003-07-16 13:20 ` Jens Axboe
2003-07-16 14:07 ` James Bottomley
2003-07-16 17:04 ` Jens Axboe
2003-07-17 8:57 ` Andrew Morton
2003-07-17 8:59 ` Jens Axboe
2003-07-17 9:56 ` Nick Piggin
2003-07-17 10:29 ` Jens Axboe
2003-07-17 10:51 ` Nick Piggin
2003-07-17 10:56 ` Jens Axboe
2003-07-17 11:09 ` Nick Piggin
2003-07-17 11:11 ` Jens Axboe
2003-07-17 11:28 ` Nick Piggin
2003-07-17 11:29 ` Jens Axboe
2003-07-17 14:44 ` Mark Haverkamp
2003-07-17 15:43 ` James Bottomley
2003-07-17 20:46 ` Mark Haverkamp
[not found] ` <1058481553 .19508.5.camel@markh1.pdx.osdl.net>
2003-07-17 22:39 ` Mark Haverkamp
2003-07-17 23:47 ` Daniel McNeil
2003-07-18 0:00 ` Andrew Morton
2003-07-18 5:14 ` Nick Piggin
2003-07-18 5:25 ` Andrew Morton
2003-07-18 5:30 ` Nick Piggin
2003-07-18 5:35 ` Nick Piggin
2003-07-18 14:16 ` James Bottomley
2003-07-18 16:30 ` Andrew Morton
2003-07-18 16:41 ` James Bottomley
2003-07-18 17:25 ` Alan Cox
2003-07-31 7:40 ` Nick Piggin
2003-07-18 17:45 ` Andrew Morton
2003-07-18 18:34 ` James Bottomley
2003-07-18 14:00 ` James Bottomley
2003-07-18 15:03 ` Mark Haverkamp
2003-07-18 16:28 ` Mark Haverkamp
2003-07-18 16:56 ` James Bottomley
2003-07-18 17:46 ` Mark Haverkamp
2003-07-18 20:21 ` James Bottomley
2003-07-18 20:39 ` Christoph Hellwig
2003-07-18 20:45 ` Mark Haverkamp
2003-07-19 8:26 ` Jens Axboe
2003-07-31 7:16 ` Nick Piggin
2003-07-31 14:28 ` James Bottomley
2003-07-31 14:40 ` Mark Haverkamp
2003-07-31 22:48 ` Nick Piggin
2003-07-17 10:57 ` Jens Axboe
2003-07-17 11:08 ` Nick Piggin
2003-07-17 11:10 ` Jens Axboe
2003-07-17 11:21 ` Nick Piggin
2003-07-17 11:23 ` Jens Axboe
2003-07-17 11:29 ` Nick Piggin
2003-07-16 22:45 ` Mark Haverkamp
2003-07-16 13:06 ` Alan Cox [this message]
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