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xen-devel
Re: [Xen-devel] Internal error during live migration saving
On Tue, Sep 13, 2011 at 2:01 PM, Nathan March <nathan@xxxxxx> wrote:
> 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.
>
Were other domains linux 3.0.3 as well ?
> [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
>
Did you try xm save -c (or the xl equivalent) ? This should be
activating the same
code path where this error seems to appear.
Also, make sure you have CONFIG_XEN_SAVE_RESTORE enabled.
> - Nathan
>
> --
> Nathan March<nathan@xxxxxx>
> Gossamer Threads Inc. http://www.gossamer-threads.com/
> Tel: (604) 687-5804 Fax: (604) 687-5806
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel
>
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