Re: 2.5.2-pre1 dbench 32 hangs in vmstat "b" state

From: rwhron@earthlink.net
Date: Sat Dec 29 2001 - 14:43:14 EST

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In reply to: Jens Axboe: "Re: 2.5.2-pre1 dbench 32 hangs in vmstat "b" state"
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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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