[Xen-users] Xen Migration Errors

["Chris Vaughan" <supercomputer@xxxxxxxxx>]

Hi,

I am trying to perform a live xen migration and in the xm list it's saying that it transfers but when I try and console onto the node it looks like it does a kernel dump. 

Here is my xend.log:

[2006-06-21 14:33:01 xend.XendDomainInfo] DEBUG (XendDomainInfo:259) XendDomainInfo.restore(['domain', ['domid', '4'], ['uuid', 'aeb7627f-88cb-2248-726c-42a57950aa83'], ['ssidref', '0'], ['vcpus', '1'], ['vcpu_avail', '1'], ['cpu_weight', '1.0 '], ['memory', '64'], ['maxmem', '64'], ['features'], ['name', 'fedoraNode'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], ['on_crash', 'restart'], ['image', ['linux', ['kernel', '/boot/vmlinuz-2.6.16-1.2122_FC5xenU ' ], ['root', '/dev/sda1'], ['args', 'selinux=0 3  HOSTINFO=testnode151:192.168.0.70 SERVERINFO=testnode150: 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS=192.168.0.1 USERLIST=test1:mike APP= APPARGS=']]], ['device', ['vif', ['backend', '0'], ['script', 'vif-bridge'], ['mac', '00:16:3e:03:c0:44']]], ['device', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname', 'file:/home/chris/images/fedoraNode.img'], ['mode', 'w']]], ['state', '--p---'], ['shutdown_reason', 'poweroff'], ['cpu_time', ' 0.0'], ['online_vcpus', '1'], ['up_time', '70.0036299229'], ['start_time', '1150929727.88'], ['store_mfn', '134920'], ['console_mfn', '134919']])
[2006-06-21 14:33:01 xend.XendDomainInfo] DEBUG (XendDomainInfo:290) parseConfig: config is ['domain', ['domid', '4'], ['uuid', 'aeb7627f-88cb-2248-726c-42a57950aa83'], ['ssidref', '0'], ['vcpus', '1'], ['vcpu_avail', '1'], ['cpu_weight', ' 1.0'], ['memory', '64'], ['maxmem', '64'], ['features'], ['name', 'fedoraNode'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], ['on_crash', 'restart'], ['image', ['linux', ['kernel', '/boot/vmlinuz-2.6.16-1.2122_FC5xenU ' ], ['root', '/dev/sda1'], ['args', 'selinux=0 3  HOSTINFO=testnode151:192.168.0.70 SERVERINFO=testnode150: 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS=192.168.0.1 USERLIST=test1:mike APP= APPARGS=']]], ['device', ['vif', ['backend', '0'], ['script', 'vif-bridge'], ['mac', '00:16:3e:03:c0:44']]], ['device', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname', 'file:/home/chris/images/fedoraNode.img'], ['mode', 'w']]], ['state', '--p---'], ['shutdown_reason', 'poweroff'], ['cpu_time', ' 0.0'], ['online_vcpus', '1'], ['up_time', '70.0036299229'], ['start_time', '1150929727.88'], ['store_mfn', '134920'], ['console_mfn', '134919']]
[2006-06-21 14:33:01 xend.XendDomainInfo] DEBUG (XendDomainInfo:389) parseConfig: result is {'uuid': 'aeb7627f-88cb-2248-726c-42a57950aa83', 'on_crash': 'restart', 'on_reboot': 'restart', 'image': ['linux', ['kernel', '/boot/vmlinuz- 2.6.16-1.2122_FC5xenU'], ['root', '/dev/sda1'], ['args', 'selinux=0 3  HOSTINFO=testnode151:192.168.0.70 SERVERINFO=testnode150: 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS= 192.168.0.1 USERLIST=test1:mike APP= APPARGS=']], 'on_poweroff': 'destroy', 'bootloader_args': None, 'cpus': None, 'name': 'fedoraNode', 'backend': [], 'vcpus': 1, 'cpu_weight': 1.0, 'features': None, 'vcpu_avail': 1, 'memory': 64, 'device': [('vif', ['vif', ['backend', '0'], ['script', 'vif-bridge'], ['mac', '00:16:3e:03:c0:44']]), ('vbd', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname', 'file:/home/chris/images/fedoraNode.img'], ['mode', 'w']])], 'bootloader': None, 'cpu': None, 'maxmem': 64}
[2006-06-21 14:33:01 xend.XendDomainInfo] DEBUG (XendDomainInfo:1205) XendDomainInfo.construct: None
[2006-06-21 14:33:01 xend.XendDomainInfo] DEBUG (XendDomainInfo:700) Storing VM details: {'name': 'fedoraNode', 'on_reboot': 'restart', 'image': "(linux (kernel /boot/vmlinuz- 2.6.16-1.2122_FC5xenU) (root /dev/sda1) (args 'selinux=0 3  HOSTINFO=testnode151:192.168.0.70 SERVERINFO=testnode150: 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS=192.168.0.1 USERLIST=test1:mike APP= APPARGS='))", 'on_poweroff': 'destroy', 'uuid': 'aeb7627f-88cb-2248-726c-42a57950aa83', 'on_crash': 'restart', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '64', 'maxmem': '64'}
[2006-06-21 14:33:01 xend] DEBUG (DevController:110) DevController: writing {'backend-id': '0', 'mac': '00:16:3e:03:c0:44', 'handle': '0', 'state': '1', 'backend': '/local/domain/0/backend/vif/23/0'} to /local/domain/23/device/vif/0.
[2006-06-21 14:33:01 xend] DEBUG (DevController:112) DevController: writing {'mac': '00:16:3e:03:c0:44', 'state': '1', 'handle': '0', 'script': '/etc/xen/scripts/vif-bridge', 'frontend-id': '23', 'domain': 'fedoraNode', 'frontend': '/local/domain/23/device/vif/0'} to /local/domain/0/backend/vif/23/0.
[2006-06-21 14:33:01 xend] DEBUG (blkif:24) exception looking up device number for sda1: [Errno 2] No such file or directory: '/dev/sda1'
[2006-06-21 14:33:01 xend] DEBUG (DevController:110) DevController: writing {'virtual-device': '2049', 'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vbd/23/2049'} to /local/domain/23/device/vbd/2049.
[2006-06-21 14:33:01 xend] DEBUG (DevController:112) DevController: writing {'domain': 'fedoraNode', 'frontend': '/local/domain/23/device/vbd/2049', 'dev': 'sda1', 'state': '1', 'params': '/home/chris/images/fedoraNode.img', 'mode': 'w', 'frontend-id': '23', 'type': 'file'} to /local/domain/0/backend/vbd/23/2049.
[2006-06-21 14:33:01 xend.XendDomainInfo] DEBUG (XendDomainInfo:725) Storing domain details: {'console/port': '2', 'name': 'fedoraNode', 'console/limit': '1048576', 'vm': '/vm/aeb7627f-88cb-2248-726c-42a57950aa83', 'domid': '23', 'cpu/0/availability': 'online', 'memory/target': '65536', 'store/port': '1'}
[2006-06-21 14:33:01 xend] DEBUG (balloon:126) Balloon: free 237; need 73; done.
[2006-06-21 14:33:01 xend] DEBUG (XendCheckpoint:155) [xc_restore]: /usr/lib/xen/bin/xc_restore 10 20 23 18432 1 2
[2006-06-21 14:33:01 xend] ERROR (XendCheckpoint:234) xc_linux_restore start: max_pfn = 4800
[2006-06-21 14:33:01 xend] ERROR (XendCheckpoint:234) Increased domain reservation by 12000 KB
[2006-06-21 14:33:01 xend] ERROR (XendCheckpoint:234) Reloading memory pages:   0%
[2006-06-21 14:33:08 xend] ERROR (XendCheckpoint:234) Received all pages (0 races)
[2006-06-21 14:33:08 xend] ERROR (XendCheckpoint:234) ^H^H^H^H100%
[2006-06-21 14:33:08 xend] ERROR (XendCheckpoint:234) Memory reloaded.
[2006-06-21 14:33:08 xend] ERROR (XendCheckpoint:234) Decreased reservation by 2136 pages
[2006-06-21 14:33:08 xend] ERROR (XendCheckpoint:234) Domain ready to be built.
[2006-06-21 14:33:08 xend] ERROR (XendCheckpoint:234) Restore exit with rc=0
[2006-06-21 14:33:08 xend] DEBUG (XendCheckpoint:207) store-mfn 107286
[2006-06-21 14:33:08 xend] DEBUG (XendCheckpoint:207) console-mfn 28893
[2006-06-21 14:33:08 xend.XendDomainInfo] DEBUG (XendDomainInfo:663) XendDomainInfo.completeRestore
[2006-06-21 14:33:08 xend.XendDomainInfo ] DEBUG (XendDomainInfo:725) Storing domain details: {'console/ring-ref': '28893', 'console/port': '2', 'name': 'fedoraNode', 'console/limit': '1048576', 'vm': '/vm/aeb7627f-88cb-2248-726c-42a57950aa83', 'domid': '23', 'cpu/0/availability': 'online', 'memory/target': '65536', 'store/ring-ref': '107286', 'store/port': '1'}
[2006-06-21 14:33:08 xend.XendDomainInfo] DEBUG (XendDomainInfo:908) XendDomainInfo.handleShutdownWatch
[2006-06-21 14:33:08 xend.XendDomainInfo] DEBUG (XendDomainInfo:673) XendDomainInfo.completeRestore done

Any help would be appreciated.  Both distros are running FC5.  Does the same hardware, kernel and image need to exist on the host and the migration destination?

Thanks,

--
------------------------------
Christopher Vaughan

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