From: Chris Mason <chris.mason@oracle.com>
To: Dave Chinner <david@fromorbit.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>,
Jens Axboe <jaxboe@fusionio.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [GIT PULL] Core block IO bits for 2.6.39 - early Oops
Date: Fri, 25 Mar 2011 09:01:40 -0400 [thread overview]
Message-ID: <1301057952-sup-6679@think> (raw)
In-Reply-To: <20110325044128.GJ26611@dastard>
Excerpts from Dave Chinner's message of 2011-03-25 00:41:28 -0400:
> On Thu, Mar 24, 2011 at 08:34:41PM +0100, Markus Trippelsdorf wrote:
[ oopsen and fs corruptions in linus master ]
>
> So the patchset is causing repeatable filesystem corruption? Sounds
> to me like this series is not yet ready for mainline merging. Last
> thing I want to spend the .39 cycle helping people recover busted
> filesystems as a result of undercooked block layer changes...
>
I tried to reproduce this, but didn't get farther than make
modules_install. My setup works like this:
build new kernel
start virtual machine off new kernel
make modules_install over NFS to get new modules (just the filesystems)
make modules_install instantly did this:
BUG: spinlock recursion on CPU#0, as/2014
lock: ffff88006e939d08, .magic: dead4ead, .owner: as/2014, .owner_cpu: 0
Pid: 2014, comm: as Tainted: G W 2.6.38-josef+ #228
Call Trace:
[<ffffffff812712e5>] spin_bug+0x9c/0xa3
[<ffffffff81271333>] do_raw_spin_lock+0x47/0x13c
[<ffffffff81068329>] ? get_parent_ip+0x11/0x41
[<ffffffff815dd796>] _raw_spin_lock+0x23/0x27
[<ffffffff811258f9>] igrab+0x1b/0x48
[<ffffffff811b2249>] nfs_updatepage+0x2ac/0x469
[<ffffffff811a4eff>] nfs_write_end+0x26d/0x298
[<ffffffff81068329>] ? get_parent_ip+0x11/0x41
[<ffffffff810d43b7>] generic_file_buffered_write+0x189/0x26a
[<ffffffff810db611>] ? __alloc_pages_nodemask+0x14d/0x7a8
[<ffffffff810d5b2e>] __generic_file_aio_write+0x32b/0x35b
[<ffffffff810d5bbf>] generic_file_aio_write+0x61/0xba
[<ffffffff811a5ab7>] nfs_file_write+0xde/0x161
[<ffffffff8110f3ba>] do_sync_write+0xcb/0x108
[<ffffffff810f78d4>] ? do_mmap_pgoff+0x29a/0x2f4
[<ffffffff8110f9f7>] vfs_write+0xb5/0x131
[<ffffffff8110fc5c>] sys_write+0x4a/0x71
[<ffffffff815e34ab>] system_call_fastpath+0x16/0x1b
-chris
next prev parent reply other threads:[~2011-03-25 13:02 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-24 13:43 [GIT PULL] Core block IO bits for 2.6.39 Jens Axboe
2011-03-24 18:30 ` [GIT PULL] Core block IO bits for 2.6.39 - early Oops Markus Trippelsdorf
2011-03-24 18:36 ` Jens Axboe
2011-03-24 18:47 ` Markus Trippelsdorf
2011-03-24 18:51 ` Jens Axboe
2011-03-24 18:54 ` Markus Trippelsdorf
2011-03-24 18:58 ` Jens Axboe
2011-03-24 19:34 ` Markus Trippelsdorf
2011-03-24 19:36 ` Jens Axboe
2011-03-24 19:45 ` Markus Trippelsdorf
2011-03-24 19:57 ` Jens Axboe
2011-03-24 20:06 ` Markus Trippelsdorf
2011-03-24 21:01 ` Jens Axboe
2011-03-24 21:41 ` Markus Trippelsdorf
2011-03-25 7:23 ` Jens Axboe
2011-03-25 8:37 ` Markus Trippelsdorf
2011-03-25 8:44 ` Jens Axboe
2011-03-25 9:27 ` Markus Trippelsdorf
2011-03-25 9:57 ` Markus Trippelsdorf
2011-03-25 10:11 ` Jens Axboe
2011-03-25 12:44 ` Jens Axboe
2011-03-25 13:09 ` Markus Trippelsdorf
2011-03-25 14:10 ` Jens Axboe
2011-03-25 14:14 ` Markus Trippelsdorf
2011-03-25 14:18 ` Chris Mason
2011-03-25 14:19 ` Chris Mason
2011-03-25 14:24 ` Markus Trippelsdorf
2011-03-25 14:20 ` Jens Axboe
2011-03-25 14:28 ` Markus Trippelsdorf
2011-03-25 15:51 ` Jens Axboe
2011-03-25 15:58 ` Markus Trippelsdorf
2011-03-25 16:01 ` Jens Axboe
2011-03-24 22:06 ` Markus Trippelsdorf
2011-03-25 4:41 ` Dave Chinner
2011-03-25 7:26 ` Jens Axboe
2011-03-25 11:59 ` Theodore Tso
2011-03-25 12:14 ` Jens Axboe
2011-03-25 12:33 ` Ted Ts'o
2011-03-25 12:43 ` Jens Axboe
2011-03-25 13:01 ` Chris Mason [this message]
2011-03-25 21:35 ` [GIT PULL] Core block IO bits for 2.6.39 Geert Uytterhoeven
2011-03-26 6:29 ` Jens Axboe
2011-03-26 7:21 ` Geert Uytterhoeven
2011-03-26 8:25 ` Jens Axboe
2011-03-26 8:34 ` Geert Uytterhoeven
2011-03-26 9:26 ` Jens Axboe
2011-03-26 16:48 ` Linus Torvalds
2011-03-26 16:53 ` Jens Axboe
2011-03-26 18:48 ` Jens Axboe
2011-03-27 13:21 ` Alan Cox
2011-03-27 11:49 ` Avi Kivity
2011-03-27 12:00 ` Jens Axboe
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