[Bug 276476] Re: INFO: task blocked for more than 120 seconds causes system freeze

[Gregory Moyer]

I have a machine running two guests under kvm, the first guest was
upgraded to lucid just after release and has never shown an issue.
However, just recently I upgraded the other guest and the host to lucid
and now the recently upgraded guest locks up completely with a similar
log to the ones above on a daily basis. When it hits this problem,
network connections are lost and I am unable to shutdown normally.
Sometimes I can issue a virsh shutdown and the guest will start to shut
down, but then freeze. I have never been able to recover from this or
escape from it ultimately any other way than issuing a virsh destroy and
then bringing the guest back up.

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INFO: task blocked for more than 120 seconds causes system freeze
https://bugs.launchpad.net/bugs/276476
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