From: rwhron@earthlink.net
To: Jens Axboe <axboe@suse.de>
Cc: rwhron@earthlink.net, viro@math.psu.edu, linux-kernel@vger.kernel.org
Subject: Re: 2.5.2-pre1 dbench 32 hangs in vmstat "b" state
Date: Sat, 29 Dec 2001 14:43:14 -0500 [thread overview]
Message-ID: <20011229144314.A17468@earthlink.net> (raw)
In-Reply-To: <20011224150337.A593@suse.de> <20011224115953.A118@earthlink.net> <20011224180244.C1241@suse.de> <20011227140723.A4713@earthlink.net> <20011228124037.K2973@suse.de> <20011228091401.A15569@earthlink.net> <20011228153022.D1248@suse.de> <20011229014248.A17257@earthlink.net> <20011229183315.E1821@suse.de> <20011229184837.F1821@suse.de>
In-Reply-To: <20011229184837.F1821@suse.de>; from axboe@suse.de on Sat, Dec 29, 2001 at 06:48:37PM +0100
On Sat, Dec 29, 2001 at 06:48:37PM +0100, Jens Axboe wrote:
> Ah I think I got it -- appears to be down to no rechecking for empty
> queue after a potential queue_lock droppage (busy I/O, no request left
> get_request returns NULL, drop lock and run get_request_wait). This
> explains the get_request_wait deadlock, compiling right now...
>
> --
> Jens Axboe
Two thumbs up!! With your ll_rw_blk.c and elevator.c patches,
2.5.2-pre3 completes dbench 32, 128.
I'm running a more complete battery of tests and will let you know
if there are any unusual results.
Thanks!
--
Randy Hron
prev parent reply other threads:[~2001-12-29 19:40 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-21 14:11 2.5.2-pre1 dbench 32 hangs in vmstat "b" state rwhron
2001-12-21 14:46 ` Jens Axboe
2001-12-21 16:43 ` rwhron
2001-12-21 17:01 ` Jens Axboe
2001-12-21 18:47 ` rwhron
2001-12-21 22:19 ` Jens Axboe
2001-12-21 23:55 ` rwhron
2001-12-24 14:03 ` Jens Axboe
2001-12-24 16:59 ` rwhron
2001-12-24 17:02 ` Jens Axboe
2001-12-24 22:14 ` rwhron
2001-12-27 19:07 ` rwhron
2001-12-28 11:40 ` Jens Axboe
2001-12-28 14:14 ` rwhron
2001-12-28 14:30 ` Jens Axboe
2001-12-28 17:49 ` rwhron
2001-12-28 19:29 ` rwhron
2001-12-29 6:42 ` rwhron
2001-12-29 17:33 ` Jens Axboe
2001-12-29 17:48 ` Jens Axboe
2001-12-29 19:43 ` rwhron [this message]
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