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From: Neil Brown <neilb@suse.de>
To: Reuben Farrelly <reuben-lkml@reub.net>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.6.16-rc1-mm2
Date: Tue, 24 Jan 2006 14:51:56 +1100	[thread overview]
Message-ID: <17365.42076.633018.163881@cse.unsw.edu.au> (raw)
In-Reply-To: message from Reuben Farrelly on Saturday January 21

On Saturday January 21, reuben-lkml@reub.net wrote:
> md: stopping all md devices.
> md: md1 switched to read-only mode.
> BUG: unable to handle kernel NULL pointer dereference<6>md: md2 switched to 
> read-only mode.
>   at virtual address 0000001c
>   printing eip:
> b02a6951
> *pde = 00000000
> Oops: 0000 [#1]
> SMP
> last sysfs file: /devices/pci0000:00/0000:00:1f.3/i2c-0/0-002e/vrm
> Modules linked in: iptable_mangle iptable_nat ip_nat ip_conntrack nfnetlink 
> iptable_filter ip_tables nfsd exportfs lockd sunrpc ipv6 ip_gre binfmt_misc 
> serio_raw piix hw_random
> CPU:    0
> EIP:    0060:[<b02a6951>]    Not tainted VLI
> EFLAGS: 00010002   (2.6.16-rc1-mm2 #1)
> EIP is at bitmap_daemon_work+0x144/0x391

Hmmmm.... yep. I see the problem.  We shouldn't be tearing down the
bitmap when switching to read-only.  Patch to follow.

Thanks,

NeilBrown

  parent reply	other threads:[~2006-01-24  3:52 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-20 11:15 2.6.16-rc1-mm2 Andrew Morton
2006-01-20 11:33 ` 2.6.16-rc1-mm2 Pekka Enberg
2006-01-20 11:40   ` 2.6.16-rc1-mm2 Andrew Morton
2006-01-20 11:56     ` 2.6.16-rc1-mm2 Pekka J Enberg
2006-01-20 15:19     ` 2.6.16-rc1-mm2 Valdis.Kletnieks
2006-01-20 13:58 ` [PATCH] zone_reclaim cpus_empty needs a real variable Andy Whitcroft
2006-01-20 16:28   ` Christoph Lameter
2006-01-20 21:34   ` Andrew Morton
2006-01-20 14:05 ` 2.6.16-rc1-mm2 Dave Jones
2006-01-20 16:23 ` Iptables error [Was: 2.6.16-rc1-mm2] Jiri Slaby
2006-01-20 16:36   ` Harald Welte
2006-01-20 16:41     ` Jiri Slaby
2006-01-20 16:43     ` Benoit Boissinot
2006-01-20 16:49       ` Linus Torvalds
2006-01-20 16:58         ` Benoit Boissinot
2006-01-20 17:38           ` Benoit Boissinot
2006-01-20 16:59         ` Jiri Slaby
2006-01-20 17:02           ` Jiri Slaby
2006-01-20 17:11         ` Carlos Silva
2006-01-20 19:32         ` Harald Welte
2006-01-20 19:46           ` Iptables error David S. Miller
2006-01-21 11:05             ` Harald Welte
2006-01-20 20:02         ` David S. Miller
2006-01-23  2:03         ` Iptables error [Was: 2.6.16-rc1-mm2] Herbert Xu
2006-01-23  2:23           ` Keith Owens
2006-01-23 20:53         ` Eric W. Biederman
2006-01-20 18:13   ` Valdis.Kletnieks
2006-01-20 19:52     ` Iptables error David S. Miller
2006-01-20 21:26 ` 2.6.16-rc1-mm2: arch/arm26/kernel/fiq.c still doesn't compile Adrian Bunk
2006-01-20 21:57   ` Alexey Dobriyan
2006-01-20 23:22 ` 2.6.16-rc1-mm2 Reuben Farrelly
2006-01-21 15:14   ` 2.6.16-rc1-mm2 Ed Tomlinson
2006-01-21 16:39     ` 2.6.16-rc1-mm2 Ed Tomlinson
2006-01-21 18:45       ` 2.6.16-rc1-mm2 Barry K. Nathan
2006-01-21 21:36         ` 2.6.16-rc1-mm2 Ed Tomlinson
2006-01-21 23:57           ` 2.6.16-rc1-mm2 Barry K. Nathan
2006-01-23 12:39           ` 2.6.16-rc1-mm2 Ed Tomlinson
2006-01-27 14:53             ` 2.6.16-rc1-mm2 Jeff Garzik
     [not found]               ` <200601280846.23279.edt@aei.ca>
2006-02-04 23:43                 ` 2.6.16-rc1-mm2 (mm5 too) panics Ed Tomlinson
2006-02-24  1:57                   ` 2.6.16-rc4-mm1 & " Ed Tomlinson
2006-01-24  3:51   ` Neil Brown [this message]
2006-01-23 18:41 ` 2.6.16-rc1-mm2 Serge E. Hallyn
2006-01-23 18:47   ` 2.6.16-rc1-mm2 Christoph Lameter
2006-01-23 19:32     ` 2.6.16-rc1-mm2 Serge E. Hallyn
2006-01-23 19:39       ` 2.6.16-rc1-mm2 Christoph Lameter
2006-01-22  5:08 2.6.16-rc1-mm2 Chuck Ebbert
2006-01-22 14:18 2.6.16-rc1-mm2 Chuck Ebbert

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