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Date: Sat, 29 Dec 2001 14:43:14 -0500
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
Message-ID: <20011229144314.A17468@earthlink.net>
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In-Reply-To: <20011229184837.F1821@suse.de>; from axboe@suse.de on Sat, Dec 29, 2001 at 06:48:37PM +0100
From: rwhron@earthlink.net
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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

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