* Badness in do_exit after remounting JFFS2 read-only
@ 2005-09-09 11:05 David Vrabel
2005-10-11 14:36 ` David Vrabel
0 siblings, 1 reply; 2+ messages in thread
From: David Vrabel @ 2005-09-09 11:05 UTC (permalink / raw)
To: linux-mtd list
Hi,
With 2.6.13 remounting a JFFS2 filesystem read-only results in
Badness in do_exit at
/home/dvrabel/embed/qed/linux-2.6-working/kernel/exit.c:787
[<c001c8f8>] (dump_stack+0x0/0x14) from [<c002f9d0>] (do_exit+0x44/0xb0c)
[<c002f98c>] (do_exit+0x0/0xb0c) from [<c00304b8>] (sys_exit+0x0/0x18)
[<c0030498>] (complete_and_exit+0x0/0x20) from [<c00a4c30>]
(jffs2_garbage_collect_thread+0x124/0x12c)
[<c00a4b0c>] (jffs2_garbage_collect_thread+0x0/0x12c) from [<c002f98c>]
(do_exit+0x0/0xb0c)
r6 = 00000000 r5 = 00000000 r4 = 00000000
This is the WARN_ON(atomic_read(&tsk->fs_excl)); in do_exit().
I can't work out where .fs_excl is being set though. It doesn't seem to
be anywhere in the JFFS2 code.
David Vrabel
--
David Vrabel, Design Engineer
Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK Web: http://www.arcom.com/
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Badness in do_exit after remounting JFFS2 read-only
2005-09-09 11:05 Badness in do_exit after remounting JFFS2 read-only David Vrabel
@ 2005-10-11 14:36 ` David Vrabel
0 siblings, 0 replies; 2+ messages in thread
From: David Vrabel @ 2005-10-11 14:36 UTC (permalink / raw)
To: linux-mtd list
David Vrabel wrote:
>
> With 2.6.13 remounting a JFFS2 filesystem read-only results in
>
> Badness in do_exit at
> /home/dvrabel/embed/qed/linux-2.6-working/kernel/exit.c:787
> [<c001c8f8>] (dump_stack+0x0/0x14) from [<c002f9d0>] (do_exit+0x44/0xb0c)
> [<c002f98c>] (do_exit+0x0/0xb0c) from [<c00304b8>] (sys_exit+0x0/0x18)
> [<c0030498>] (complete_and_exit+0x0/0x20) from [<c00a4c30>]
> (jffs2_garbage_collect_thread+0x124/0x12c)
> [<c00a4b0c>] (jffs2_garbage_collect_thread+0x0/0x12c) from [<c002f98c>]
> (do_exit+0x0/0xb0c)
> r6 = 00000000 r5 = 00000000 r4 = 00000000
>
> This is the WARN_ON(atomic_read(&tsk->fs_excl)); in do_exit().
This no longer happens in (at least) 2.6.14-rc4.
David Vrabel
--
David Vrabel, Design Engineer
Arcom, Clifton Road Tel: +44 (0)1223 411200 ext. 3233
Cambridge CB1 7EA, UK Web: http://www.arcom.com/
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