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

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