[Fedora-xen] Re: Xen Migration Errors

Thu Jun 22 21:44:29 UTC 2006

I found my answer here:
http://lists.xensource.com/archives/html/xen-users/2006-06/msg00888.html

On 6/21/06, Chris Vaughan <supercomputer at gmail.com> wrote:
>
> 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=testnode151:192.168.0.70SERVERINFO=testnode150:
> 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS=192.168.0.1USERLIST=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=testnode151:192.168.0.70SERVERINFO=testnode150:
> 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS=192.168.0.1USERLIST=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=192.168.0.1USERLIST=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=testnode151:192.168.0.70SERVERINFO=testnode150:
> 192.168.0.70 NODELIST= GATEWAY= 192.168.0.1 DNS=192.168.0.1USERLIST=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
>


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