From: Jens Axboe <axboe@suse.de>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Linux Kernel List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@digeo.com>
Subject: Re: 2.5.64-mm6: oops in elv_remove_request
Date: Fri, 14 Mar 2003 21:33:24 +0100 [thread overview]
Message-ID: <20030314203324.GD791@suse.de> (raw)
In-Reply-To: <1047633884.1147.3.camel@ixodes.goop.org>
On Fri, Mar 14 2003, Jeremy Fitzhardinge wrote:
> With the version or cdrtools I compiled, I get an instant oops+lockup
> with the above command when running with anticipatory scheduler in
> 2.5.64-mm6 (hand written):
>
> elv_remove_request
> ide_end_request
> cdrom_end_request
> cdrom_decode_status
> cdrom_newpc_intr
--- drivers/block/as-iosched.c~ 2003-03-14 21:32:14.000000000 +0100
+++ drivers/block/as-iosched.c 2003-03-14 21:32:38.000000000 +0100
@@ -1341,6 +1341,8 @@
insert_here = ad->dispatch->prev;
list_add(&rq->queuelist, insert_here);
+ if (arq)
+ RB_CLEAR(&arq->rb_node);
if (!list_empty(ad->dispatch) && rq_data_dir(rq) == READ
&& (ad->antic_status == ANTIC_WAIT_REQ
--
Jens Axboe
next prev parent reply other threads:[~2003-03-14 20:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-13 17:22 2.5.64-mm6: kernel BUG at kernel/timer.c:155! Jeremy Fitzhardinge
2003-03-13 17:45 ` Jeremy Fitzhardinge
2003-03-13 17:54 ` Jens Axboe
2003-03-13 18:04 ` Jeremy Fitzhardinge
2003-03-13 19:02 ` Jens Axboe
2003-03-14 9:24 ` 2.5.64-mm6: oops in elv_remove_request Jeremy Fitzhardinge
2003-03-14 10:42 ` Jens Axboe
2003-03-14 10:06 ` Jeremy Fitzhardinge
2003-03-14 10:31 ` Jeremy Fitzhardinge
2003-03-14 11:37 ` Jens Axboe
2003-03-14 17:59 ` Jeremy Fitzhardinge
2003-03-14 18:07 ` Jens Axboe
2003-03-14 22:19 ` Jeremy Fitzhardinge
2003-03-15 8:15 ` Jens Axboe
2003-03-16 2:54 ` Jeremy Fitzhardinge
2003-03-17 8:05 ` Jens Axboe
2003-03-17 16:56 ` Jeremy Fitzhardinge
2003-03-24 13:14 ` Jens Axboe
2003-03-14 20:33 ` Jens Axboe [this message]
2003-03-14 22:15 ` Jeremy Fitzhardinge
2003-03-15 8:15 ` Jens Axboe
2003-03-13 20:52 ` 2.5.64-mm6: kernel BUG at kernel/timer.c:155! Aravind
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