From: Simon Rowe <simon.rowe@eu.citrix.com>
To: xen-devel@lists.xensource.com
Cc: Andreas Olsowski <andreas.olsowski@leuphana.de>
Subject: Re: megasas stops I/O when running kernel as dom0 under xen4.1/4.2
Date: Fri, 12 Aug 2011 10:02:38 +0100 [thread overview]
Message-ID: <201108121002.38279.simon.rowe@eu.citrix.com> (raw)
In-Reply-To: <4E43E04B.8010401@leuphana.de>
I've now reproduced this on a Dell R905 (16 cores, 265GB) which also has a
MegaRAID SAS 1078,
Simon
INFO: task kjournald:1691 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kjournald D 00003b87 0 1691 2 0x00000000
eac3fed4 00000246 e92f92b8 00003b87 00000001 00000000 c16cc580 eac3fe74
7ea17f6b 00003b72 ebd2b954 ebd2b844 ebd2b7b0 ebd2b954 c16cc100 00000001
d3aad740 c0122a72 c16cc138 0002a01a 00000000 00000005 01038103 00008888
Call Trace:
[<c0122a72>] ? update_curr+0x72/0xf0
[<c0142d4c>] ? prepare_to_wait+0x4c/0x60
[<ed9af3dc>] journal_commit_transaction+0x12c/0x1060 [jbd]
[<c0382a69>] ? schedule+0x2e9/0x970
[<c0142b10>] ? autoremove_wake_function+0x0/0x50
[<c0138234>] ? try_to_del_timer_sync+0x54/0x80
[<ed9b31e0>] kjournald+0xc0/0x240 [jbd]
[<c0142b10>] ? autoremove_wake_function+0x0/0x50
[<ed9b3120>] ? kjournald+0x0/0x240 [jbd]
[<c0142854>] kthread+0x74/0x80
[<c01427e0>] ? kthread+0x0/0x80
[<c010483b>] kernel_thread_helper+0x7/0x10
...
sd 0:2:0:0: [sda] megasas: RESET -46318 cmd=2a retries=0
megaraid_sas: HBA reset handler invoked without an internal reset condition.
megaraid_sas: no more pending commands remain after reset handling.
megasas: reset successful
next prev parent reply other threads:[~2011-08-12 9:02 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-11 13:59 megasas stops I/O when running kernel as dom0 under xen4.1/4.2 Andreas Olsowski
2011-08-11 16:27 ` Simon Rowe
2011-08-11 22:51 ` Konrad Rzeszutek Wilk
2011-08-12 6:31 ` xen.frontend flag for higher display resolution (vnc) for HVM domU domains Mark Schneider
2011-08-12 7:26 ` Marc - A. Dahlhaus
2011-08-12 7:42 ` megasas stops I/O when running kernel as dom0 under xen4.1/4.2 Simon Rowe
2011-08-12 9:11 ` Andreas Olsowski
2011-08-12 9:23 ` Simon Rowe
2011-08-15 10:49 ` Simon Rowe
2011-08-15 12:52 ` Andreas Olsowski
2011-08-19 12:28 ` Andrew Cooper
2011-08-19 14:17 ` Andreas Olsowski
2011-08-19 14:57 ` Andrew Cooper
2011-08-19 16:37 ` Andreas Olsowski
2011-08-19 16:49 ` Andrew Cooper
2011-08-19 18:10 ` Andreas Olsowski
2011-08-22 9:05 ` Andrew Cooper
2011-08-24 12:06 ` Andrew Cooper
2011-08-24 16:57 ` Andrew Cooper
2011-08-24 17:09 ` Konrad Rzeszutek Wilk
2011-08-24 17:20 ` Andrew Cooper
2011-08-26 18:16 ` Andrew Cooper
2011-08-26 18:32 ` Andrew Cooper
2011-08-30 12:02 ` Andreas Olsowski
2011-08-30 12:11 ` Andrew Cooper
2011-08-30 12:46 ` Keir Fraser
2011-08-12 9:02 ` Simon Rowe [this message]
2011-08-12 16:26 ` Pasi Kärkkäinen
2011-08-15 7:44 ` Simon Rowe
2011-08-12 16:25 ` Pasi Kärkkäinen
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