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[Xen-devel] some errors of pvonhvm: xen-blkfront

from [topperxin]

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Subject:	[Xen-devel] some errors of pvonhvm: xen-blkfront
From:	topperxin <topperxin@xxxxxxx>
Date:	Wed, 13 Apr 2011 11:06:20 +0800 (CST)
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hi all,

I have just ported pvonhvm drivers to ubuntu 10.10(2.6.35), for ubuntu 10.10 was comply to the pvops, so it has it's own blkfront, so I just add platform-pci to ubuntu 10.10 source, and then compile, that's ok, then I start the ubuntu 10.10 with pvonhvm, the domU can boot successfully, but after running a moment, it give the such warnings:

INFO: task login:1073 blocked for more than 120 seconds.

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

INFO: task flush-202:0:457 blocked for more than 120seconds.

"echo 0 > /proc/sys/kernel /hung_task_timeout_secs" disables this message.

INFO: task jbd2/sda1-8:422 blocked for more than 120 seconds.

"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

what's wrong? Is this means that there are some error with

xen-blkfront? how should I debug it?

Thanks a lot.

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