linux-kernel - INFO: task journal:337 blocked for more than 120 seconds

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Message-Id: <1254345112.8837.9.camel@localhost.localdomain>
Date:	Wed, 30 Sep 2009 14:11:52 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: INFO: task journal:337 blocked for more than 120 seconds

Hello all,

Anybody found this problem before? I kept hitting this issue for 2.6.31
guest kernel even with a simple network test.

INFO: task kjournal:337 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_sec" disables this message.

kjournald	D 00000041	0	337	2 0x00000000

My test is totally being blocked.

Thanks
Shirley

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