From: Jens Axboe <jens.axboe@oracle.com>
To: Anders Eriksson <aeriksson@fastmail.fm>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: Linux 2.6.25-rc4
Date: Fri, 7 Mar 2008 09:48:19 +0100 [thread overview]
Message-ID: <20080307084818.GK17940@kernel.dk> (raw)
In-Reply-To: <20080306211726.2DA8C93C881@tippex.mynet.homeunix.org>
On Thu, Mar 06 2008, Anders Eriksson wrote:
>
> jens.axboe@oracle.com said:
> >> I was a bit unclear on this, the problem is easily reproducible but _only_
> >> on Anders' system (I couldn't reproduce it with smartd here either).
>
> > What IO scheduler is Anders using (and does it have an impact, eg does it
> > hang with deadline as well)?
>
> CONFIG_IOSCHED_NOOP=y
> CONFIG_IOSCHED_AS=y
> CONFIG_IOSCHED_DEADLINE=y
> CONFIG_IOSCHED_CFQ=y
> CONFIG_DEFAULT_IOSCHED="cfq"
>
> On request here's a sysrq-t from smartd on -rc3, you also see exactly where
> smartd gives up (using the gentoo default smasrtd.conf).
Can you try with noop or deadline as the default, to see if it
reproduces with them?
> Might a strace of smartd help?
Nope, looking at the trace it'll be stuck waiting for the ioctl to
finish.
--
Jens Axboe
next prev parent reply other threads:[~2008-03-07 8:48 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-05 5:03 Linux 2.6.25-rc4 Linus Torvalds
2008-03-05 8:09 ` FUJITA Tomonori
2008-03-05 16:46 ` Grant Grundler
2008-03-06 9:00 ` Ingo Molnar
2008-03-06 12:59 ` Jens Axboe
2008-03-06 13:06 ` Ingo Molnar
2008-03-06 13:12 ` Jens Axboe
2008-03-07 8:53 ` Ingo Molnar
2008-03-07 8:57 ` Jens Axboe
2008-03-07 9:02 ` Ingo Molnar
2008-03-07 9:59 ` Paul Mackerras
2008-03-07 15:20 ` Valdis.Kletnieks
2008-03-08 23:36 ` Pavel Machek
2008-03-09 11:59 ` Ingo Molnar
2008-03-09 12:55 ` Andi Kleen
2008-03-10 10:10 ` Pavel Machek
2008-03-10 11:52 ` Andi Kleen
2008-03-06 13:38 ` Bartlomiej Zolnierkiewicz
2008-03-06 13:33 ` Ingo Molnar
2008-03-06 14:06 ` Bartlomiej Zolnierkiewicz
2008-03-06 13:55 ` Jens Axboe
2008-03-06 21:17 ` Anders Eriksson
2008-03-07 8:48 ` Jens Axboe [this message]
2008-03-07 22:04 ` Anders Eriksson
2008-03-08 20:22 ` Linus Torvalds
2008-03-08 21:05 ` Anders Eriksson
2008-03-10 8:55 ` Anders Eriksson
2008-03-10 12:36 ` Bartlomiej Zolnierkiewicz
2008-03-10 13:10 ` Rafael J. Wysocki
2008-03-10 14:04 ` Bartlomiej Zolnierkiewicz
2008-03-16 14:01 ` Anders Eriksson
2008-03-16 14:29 ` Bartlomiej Zolnierkiewicz
2008-03-16 14:29 ` Anders Eriksson
2008-03-16 15:14 ` Bartlomiej Zolnierkiewicz
2008-03-16 16:56 ` Linus Torvalds
2008-03-16 17:13 ` Linus Torvalds
2008-03-16 18:18 ` Anders Eriksson
2008-03-16 18:07 ` Bartlomiej Zolnierkiewicz
2008-03-16 18:13 ` Linus Torvalds
2008-03-16 18:36 ` Bartlomiej Zolnierkiewicz
2008-03-16 19:08 ` Anders Eriksson
2008-03-16 18:56 ` Alan Cox
2008-03-16 19:39 ` Linus Torvalds
2008-03-16 20:31 ` Alan Cox
2008-03-16 21:06 ` Linus Torvalds
2008-03-21 15:03 ` Mark Lord
2008-03-21 14:49 ` Alan Cox
2008-03-16 19:54 ` Bartlomiej Zolnierkiewicz
2008-03-16 22:59 ` Anders Eriksson
2008-03-16 23:27 ` Linus Torvalds
2008-03-17 21:09 ` Anders Eriksson
2008-03-17 22:52 ` Linus Torvalds
2008-03-18 0:18 ` Anders Eriksson
2008-03-18 13:03 ` Bartlomiej Zolnierkiewicz
2008-03-18 13:32 ` Anders Eriksson
2008-03-18 14:48 ` Bartlomiej Zolnierkiewicz
2008-03-18 15:10 ` Anders Eriksson
2008-03-18 15:41 ` Linus Torvalds
2008-03-18 16:30 ` Anders Eriksson
2008-03-18 16:47 ` Linus Torvalds
2008-03-18 21:02 ` Anders Eriksson
2008-03-19 1:21 ` Bartlomiej Zolnierkiewicz
2008-03-19 1:28 ` Linus Torvalds
2008-03-19 3:24 ` Bartlomiej Zolnierkiewicz
2008-03-19 3:28 ` Linus Torvalds
2008-03-19 3:56 ` Linus Torvalds
2008-03-19 4:03 ` Bartlomiej Zolnierkiewicz
2008-03-19 4:48 ` Linus Torvalds
2008-03-19 11:14 ` Bartlomiej Zolnierkiewicz
2008-03-16 18:23 ` Anders Eriksson
2008-03-16 18:26 ` Bartlomiej Zolnierkiewicz
2008-03-16 18:25 ` Anders Eriksson
2008-03-17 7:23 ` Jens Axboe
2008-03-16 18:44 ` Alan Cox
2008-03-10 13:19 ` Anders Eriksson
2008-03-10 13:56 ` Bartlomiej Zolnierkiewicz
2008-03-16 18:59 ` Andrey Borzenkov
2008-03-07 10:08 ` [patch] drivers/char/esp.c: fix bootup lockup (was: Re: Linux 2.6.25-rc4) Ingo Molnar
2008-03-09 13:41 ` [patch] drivers/char/esp.c: fix bootup lockup Jiri Slaby
2008-03-09 22:49 ` Rafael J. Wysocki
2008-03-09 23:04 ` Jiri Slaby
-- strict thread matches above, loose matches on Subject: below --
2008-03-05 22:30 Linux 2.6.25-rc4 Jonathan McDowell
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