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[Xen-devel] Internal error during live migration saving


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Nathan March <nathan@xxxxxx>
  • Date: Tue, 13 Sep 2011 14:01:26 -0700
  • Delivery-date: Tue, 13 Sep 2011 14:03:15 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Just wondering if this is a known bug?

Trying to migrate the VM off to a diff dom0 results in the below error. Other VMs migrated off fine (started at around the same time as this vm) and I've tried a few different target servers, all resulting in the same thing.

[2011-09-13 13:48:24 3996] DEBUG (XendCheckpoint:124) [xc_save]: /usr/lib/xen/bin/xc_save 29 77 0 0 1 [2011-09-13 13:48:24 3996] INFO (XendCheckpoint:423) xc_save: failed to get the suspend evtchn port
[2011-09-13 13:48:24 3996] INFO (XendCheckpoint:423)
[2011-09-13 13:49:03 3996] DEBUG (XendCheckpoint:394) suspend
[2011-09-13 13:49:03 3996] DEBUG (XendCheckpoint:127) In saveInputHandler suspend
[2011-09-13 13:49:03 3996] DEBUG (XendCheckpoint:129) Suspending 77 ...
[2011-09-13 13:49:03 3996] DEBUG (XendDomainInfo:524) XendDomainInfo.shutdown(suspend) [2011-09-13 13:49:03 3996] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch [2011-09-13 13:50:06 3996] DEBUG (XendDomainInfo:1881) XendDomainInfo.handleShutdownWatch [2011-09-13 13:50:06 3996] INFO (XendCheckpoint:423) xc: error: Suspend request failed: Internal error [2011-09-13 13:50:06 3996] INFO (XendCheckpoint:423) xc: error: Domain appears not to have suspended: Internal error [2011-09-13 13:50:06 3996] ERROR (XendCheckpoint:185) Save failed on domain globish (77) - resuming.
Traceback (most recent call last):
File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", line 146, in save
    forkHelper(cmd, fd, saveInputHandler, False)
File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", line 395, in forkHelper
    inputHandler(line, child.tochild)
File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", line 131, in saveInputHandler
    dominfo.waitForSuspend()
File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line 2998, in waitForSuspend
    raise XendError(msg)
XendError: Timeout waiting for domain 77 to suspend
[2011-09-13 13:50:06 3996] DEBUG (XendDomainInfo:3135) XendDomainInfo.resumeDomain(77)

xend-debug.log and the target dom0 logs don't show anything of value.

This is xen 4.1.1 on linux 3.0.3

- Nathan

--
Nathan March<nathan@xxxxxx>
Gossamer Threads Inc. http://www.gossamer-threads.com/
Tel: (604) 687-5804 Fax: (604) 687-5806


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