[Xen-bugs] [Bug 1339] Guest will hang after Save/Restore

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1339


haicheng.li@xxxxxxxxx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED




------- Comment #3 from haicheng.li@xxxxxxxxx  2008-09-01 02:06 -------
detailed logs are attched. 

xend logs shows "Device 768 (vbd) could not be connected" as following:


[2008-09-01 16:43:03 7079] DEBUG (DevController:155) Waiting for devices vbd.
[2008-09-01 16:43:03 7079] DEBUG (DevController:160) Waiting for 768.
[2008-09-01 16:43:03 7079] DEBUG (DevController:637) hotplugStatusCallback
/local/domain/0/backend/vbd/8/768/hotplug-status.
[2008-09-01 16:43:03 7079] DEBUG (DevController:651) hotplugStatusCallback 5.
[2008-09-01 16:43:03 7079] ERROR (XendCheckpoint:327) Device 768 (vbd) could
not be connected.
File /mnt/sda5/hli22/xen-test/manual-test/xpsp2_acpi_ia32.img is
loopback-mounted through /dev/loop0,
which is mounted in a guest domain,
and so cannot be mounted now.
Traceback (most recent call last):
  File "/usr/lib/python/xen/xend/XendCheckpoint.py", line 325, in restore
    dominfo.waitForDevices() # Wait for backends to set up
  File "/usr/lib/python/xen/xend/XendDomainInfo.py", line 870, in
waitForDevices
    self.getDeviceController(devclass).waitForDevices()
  File "/usr/lib/python/xen/xend/server/DevController.py", line 156, in
waitForDevices
    return map(self.waitForDevice, self.deviceIDs())
  File "/usr/lib/python/xen/xend/server/DevController.py", line 191, in
waitForDevice
    raise VmError("Device %s (%s) could not be connected.\n%s" %
VmError: Device 768 (vbd) could not be connected.
File /mnt/sda5/hli22/xen-test/manual-test/xpsp2_acpi_ia32.img is
loopback-mounted through /dev/loop0,
which is mounted in a guest domain,
and so cannot be mounted now.


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