From: Mike Galbraith <efault@gmx.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Jens Axboe <jens.axboe@oracle.com>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>
Subject: Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation)
Date: Fri, 27 Apr 2007 12:17:45 +0200 [thread overview]
Message-ID: <1177669065.3260.2.camel@Homer.simpson.net> (raw)
In-Reply-To: <20070427013350.d0d7ac38.akpm@linux-foundation.org>
On Fri, 2007-04-27 at 01:33 -0700, Andrew Morton wrote:
> Another livelock possibility is that bonnie is redirtying pages faster than
> commit can write them out, so commit got livelocked:
>
> When I was doing the original port-from-2.2 I found that an application
> which does
>
> for ( ; ; )
> pwrite(fd, "", 1, 0);
>
> would permanently livelock the fs. I fixed that, but it was six years ago,
> and perhaps we later unfixed it.
Well, box doesn't seem the least bit upset after quite a while now, so I
guess it didn't get unfixed.
-Mike
next prev parent reply other threads:[~2007-04-27 10:17 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-27 7:59 [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation) Mike Galbraith
2007-04-27 8:33 ` Andrew Morton
2007-04-27 9:23 ` Mike Galbraith
2007-04-27 10:17 ` Mike Galbraith [this message]
2007-04-27 11:59 ` Marat Buharov
2007-04-27 12:30 ` Peter Zijlstra
2007-04-27 13:50 ` Mark Lord
2007-04-27 12:39 ` Manoj Joseph
2007-04-27 15:30 ` Linus Torvalds
2007-04-27 19:31 ` Andreas Dilger
2007-04-27 19:44 ` Mike Galbraith
2007-04-27 19:50 ` Linus Torvalds
2007-04-27 20:05 ` Hua Zhong
2007-04-27 20:12 ` Miquel van Smoorenburg
2007-04-27 20:12 ` Bill Huey
2007-04-28 5:37 ` Mikulas Patocka
2007-04-28 5:45 ` Mikulas Patocka
2007-04-28 21:57 ` Bill Huey
2007-04-28 22:38 ` Mikulas Patocka
2007-04-27 20:29 ` Gabriel C
2007-04-27 20:45 ` Stephen Clark
2007-04-27 20:54 ` Manoj Joseph
2007-04-28 8:45 ` Matthias Andree
2007-04-27 22:18 ` Andrew Morton
2007-05-03 17:38 ` Alex Tomas
2007-05-03 23:54 ` Andrew Morton
2007-05-04 6:18 ` Alex Tomas
2007-05-04 6:38 ` Andrew Morton
2007-05-04 6:57 ` Alex Tomas
2007-05-04 7:18 ` Andrew Morton
2007-05-04 7:39 ` Alex Tomas
2007-05-04 8:02 ` Andrew Morton
2007-04-28 8:44 ` Matthias Andree
2007-04-28 20:46 ` Mikulas Patocka
2007-04-28 21:12 ` Lee Revell
2007-04-29 20:49 ` Mark Lord
2007-04-29 21:17 ` Mikulas Patocka
2007-04-27 15:18 ` Linus Torvalds
2007-04-27 15:41 ` John Anthony Kazos Jr.
2007-04-27 15:54 ` Linus Torvalds
2007-04-27 16:24 ` Chuck Ebbert
2007-04-27 19:43 ` Marko Macek
2007-04-27 18:31 ` Andrew Morton
2007-04-27 19:09 ` Zan Lynx
2007-04-27 22:07 ` Andrew Morton
2007-04-27 19:27 ` Mike Galbraith
2007-04-28 8:51 ` Matthias Andree
2007-04-28 8:59 ` Andrew Morton
2007-04-28 16:30 ` Linus Torvalds
2007-04-28 16:56 ` Paolo Ornati
2007-04-27 19:28 ` Mike Galbraith
2007-04-27 20:06 ` Jan Engelhardt
2007-04-27 21:22 ` Linus Torvalds
2007-04-28 4:25 ` Mike Galbraith
2007-04-28 6:32 ` Mike Galbraith
2007-04-28 7:01 ` Andrew Morton
2007-04-28 7:12 ` Mike Galbraith
2007-04-28 6:32 ` Mikulas Patocka
2007-04-28 16:05 ` Linus Torvalds
2007-04-28 16:37 ` Ingo Molnar
2007-04-28 17:11 ` Mikulas Patocka
2007-04-30 6:57 ` Jens Axboe
2007-04-28 17:55 ` Mikulas Patocka
2007-04-30 6:56 ` Jens Axboe
2007-05-02 6:53 ` Jens Axboe
2007-05-02 7:36 ` Mike Galbraith
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