On Sun, 22 Dec 2013 17:43:43 +0100 Hans Kraus <hans@xxxxxxxxxxxxxx> wrote:
> Hi Neil,
Hi Hans,
sorry for the delay - Christmas/New Year vacation...
> > [40800.777037] xfsaild/dm-0 D ffff88003754c300 0 20798 2
> > 0x00000000
> > [40800.777042] ffff88003754c300 0000000000000046 0000000000000000
> > ffff88005d7c51a0
> > [40800.777047] 0000000000013780 ffff88001b01ffd8 ffff88001b01ffd8
> > ffff88003754c300
> > [40800.777052] ffff880071fede00 ffffffff81070fc1 0000000000000046
> > ffff88003734a400
> > [40800.777057] Call Trace:
> > [40800.777061] [<ffffffff81070fc1>] ? arch_local_irq_save+0x11/0x17
> > [40800.777071] [<ffffffffa0170466>] ? md_flush_request+0x96/0x111 [md_mod]
> > [40800.777076] [<ffffffff8103f6c4>] ? try_to_wake_up+0x197/0x197
> > [40800.777082] [<ffffffffa0f11711>] ? make_request+0x25/0x37a [raid456]
> > [40800.777091] [<ffffffffa0185873>] ?
This looks like the most likely root of the problem - something wrong in
md_flush_request.
There was a bug here fixed in 2.6.37
commit a035fc3e2531703b539f23bec4ca7943cfc69349
Author: NeilBrown <neilb@xxxxxxx>
Date: Thu Dec 9 16:17:51 2010 +1100
md: fix possible deadlock in handling flush requests.
You didn't say which kernel you were running. Could it be earlier than
2.6.37???
NeilBrown
Attachment:
signature.asc
Description: PGP signature
