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[Xen-users] Error restoring a domU

from [Michael Mey] [Permanent Link][Original]
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Error restoring a domU
From: Michael Mey <michael.mey@xxxxxx>
Date: Mon, 13 Feb 2006 17:20:50 +0100
Delivery-date: Mon, 13 Feb 2006 16:32:52 +0000
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Hi all,

I just installed Xen 3.0.1 on RHEL 4.1.
Bringing up dom0 and a domU worked fine.

But when I want to restore a previously saved domU, it doesn't come up any 
more. Reading the logfiles, it seems that xen had problems initializing the 
domU's virtual nic.

Does anyone have a clue what could be the reason for this?

Regards,
Michael

relevant output of xend.log:
-------------------------------
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:252) 
XendDomainInfo.restore(['domain', ['domid', '1 4'], ['uuid', 
'708ec234-dfe0-0415-e687-a034154a3916'], ['ssidref', '0'], ['vcpus', '1'], 
['vcpu_avail', '1'], ['cpu _weight', '1.0'], ['memory', '256'], ['maxmem', 
'256'], ['name', 'tom1'], ['on_poweroff', 'destroy'], ['on_reboot',  
'restart'], ['on_crash', 'restart'], ['image', ['linux', ['kernel', 
'/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1'], [ 'root', '/dev/sda1'], ['args', 
'ro selinux=0 3']]], ['device', ['vif', ['backend', '0'], ['script', 
'vif-nat'], ['i p', ['10.0.10.1']], ['mac', '00:16:3e:0c:94:cb']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname',  
'file:/data/vdisks/tom1-rhel4.img'], ['mode', 'w']]], ['state', '-b----'], 
['shutdown_reason', 'poweroff'], ['cpu_ time', '91.403557189'], 
['online_vcpus', '1'], ['up_time', '8822.35599899'], ['start_time', 
'1139837394.24'], ['sto re_mfn', '347994'], ['console_mfn', '347993']])
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:282) 
parseConfig: config is ['domain', ['domid', '1 4'], ['uuid', 
'708ec234-dfe0-0415-e687-a034154a3916'], ['ssidref', '0'], ['vcpus', '1'], 
['vcpu_avail', '1'], ['cpu _weight', '1.0'], ['memory', '256'], ['maxmem', 
'256'], ['name', 'tom1'], ['on_poweroff', 'destroy'], ['on_reboot',  
'restart'], ['on_crash', 'restart'], ['image', ['linux', ['kernel', 
'/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1'], [ 'root', '/dev/sda1'], ['args', 
'ro selinux=0 3']]], ['device', ['vif', ['backend', '0'], ['script', 
'vif-nat'], ['i p', ['10.0.10.1']], ['mac', '00:16:3e:0c:94:cb']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname',  
'file:/data/vdisks/tom1-rhel4.img'], ['mode', 'w']]], ['state', '-b----'], 
['shutdown_reason', 'poweroff'], ['cpu_ time', '91.403557189'], 
['online_vcpus', '1'], ['up_time', '8822.35599899'], ['start_time', 
'1139837394.24'], ['sto re_mfn', '347994'], ['console_mfn', '347993']]
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:376) 
parseConfig: result is {'ssidref': 0, 'uuid': 
'708ec234-dfe0-0415-e687-a034154a3916', 'on_crash': 'restart', 'on_reboot': 
'restart', 'image': ['linux', ['kernel' , 
'/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1'], ['root', '/dev/sda1'], ['args', 
'ro selinux=0 3']], 'on_poweroff': ' destroy', 'cpus': None, 'name': 'tom1', 
'backend': [], 'vcpus': 1, 'cpu_weight': 1.0, 'vcpu_avail': 1, 'memory': 25 
6, 'device': [('vif', ['vif', ['backend', '0'], ['script', 'vif-nat'], ['ip', 
['10.0.10.1']], ['mac', '00:16:3e:0c: 94:cb']]), ('vbd', ['vbd', ['backend', 
'0'], ['dev', 'sda1'], ['uname', 'file:/data/vdisks/tom1-rhel4.img'], ['mode 
', 'w']])], 'bootloader': None, 'cpu': None, 'maxmem': 256}
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:1130) 
XendDomainInfo.construct: None 0
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:663) Storing 
VM details: {'ssidref': '0', 'uuid': ' 708ec234-dfe0-0415-e687-a034154a3916', 
'on_reboot': 'restart', 'image': "(linux (kernel /boot/vmlinuz-2.6.12.6-xen3 
_12.1_rhel4.1) (root /dev/sda1) (args 'ro selinux=0 3'))", 'on_poweroff': 
'destroy', 'name': 'tom1', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '256', 
'on_crash': 'restart', 'maxmem': '256'}
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:1272) 
XendDomainInfo.destroy: domid=18
[2006-02-13 17:01:13 xend.XendDomainInfo] DEBUG (XendDomainInfo:1280) 
XendDomainInfo.destroyDomain(18)
[2006-02-13 17:01:13 xend] ERROR (XendDomain:266) Restore failed
Traceback (most recent call last):
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomain.py", 
line 261, in domain_restore_fd
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendCheckpoint.py",
 
line 127, in restore
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomain.py", 
line 285, in restore_
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomainInfo.py",
 
line 258, in restore
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomainInfo.py",
 
line 1338, in createDevice s
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomainInfo.py",
 
line 975, in createDevice
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/server/DevController.py",
 
line 80, in createDe vice
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/server/netif.py", 
line 91, in getDeviceDetails
TypeError: sequence item 0: expected string, list found
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:252) 
XendDomainInfo.restore(['domain', ['domid', '1 4'], ['uuid', 
'708ec234-dfe0-0415-e687-a034154a3916'], ['ssidref', '0'], ['vcpus', '1'], 
['vcpu_avail', '1'], ['cpu _weight', '1.0'], ['memory', '256'], ['maxmem', 
'256'], ['name', 'tom1'], ['on_poweroff', 'destroy'], ['on_reboot',  
'restart'], ['on_crash', 'restart'], ['image', ['linux', ['kernel', 
'/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1'], [ 'root', '/dev/sda1'], ['args', 
'ro selinux=0 3']]], ['device', ['vif', ['backend', '0'], ['script', 
'vif-nat'], ['i p', ['10.0.10.1']], ['mac', '00:16:3e:0c:94:cb']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname',  
'file:/data/vdisks/tom1-rhel4.img'], ['mode', 'w']]], ['state', '-b----'], 
['shutdown_reason', 'poweroff'], ['cpu_ time', '91.403557189'], 
['online_vcpus', '1'], ['up_time', '8822.35599899'], ['start_time', 
'1139837394.24'], ['sto re_mfn', '347994'], ['console_mfn', '347993']])
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:282) 
parseConfig: config is ['domain', ['domid', '1 4'], ['uuid', 
'708ec234-dfe0-0415-e687-a034154a3916'], ['ssidref', '0'], ['vcpus', '1'], 
['vcpu_avail', '1'], ['cpu _weight', '1.0'], ['memory', '256'], ['maxmem', 
'256'], ['name', 'tom1'], ['on_poweroff', 'destroy'], ['on_reboot',  
'restart'], ['on_crash', 'restart'], ['image', ['linux', ['kernel', 
'/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1'], [ 'root', '/dev/sda1'], ['args', 
'ro selinux=0 3']]], ['device', ['vif', ['backend', '0'], ['script', 
'vif-nat'], ['i p', ['10.0.10.1']], ['mac', '00:16:3e:0c:94:cb']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'sda1'], ['uname',  
'file:/data/vdisks/tom1-rhel4.img'], ['mode', 'w']]], ['state', '-b----'], 
['shutdown_reason', 'poweroff'], ['cpu_ time', '91.403557189'], 
['online_vcpus', '1'], ['up_time', '8822.35599899'], ['start_time', 
'1139837394.24'], ['sto re_mfn', '347994'], ['console_mfn', '347993']]
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:376) 
parseConfig: result is {'ssidref': 0, 'uuid': 
'708ec234-dfe0-0415-e687-a034154a3916', 'on_crash': 'restart', 'on_reboot': 
'restart', 'image': ['linux', ['kernel' , 
'/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1'], ['root', '/dev/sda1'], ['args', 
'ro selinux=0 3']], 'on_poweroff': ' destroy', 'cpus': None, 'name': 'tom1', 
'backend': [], 'vcpus': 1, 'cpu_weight': 1.0, 'vcpu_avail': 1, 'memory': 25 
6, 'device': [('vif', ['vif', ['backend', '0'], ['script', 'vif-nat'], ['ip', 
['10.0.10.1']], ['mac', '00:16:3e:0c: 94:cb']]), ('vbd', ['vbd', ['backend', 
'0'], ['dev', 'sda1'], ['uname', 'file:/data/vdisks/tom1-rhel4.img'], ['mode 
', 'w']])], 'bootloader': None, 'cpu': None, 'maxmem': 256}
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:1130) 
XendDomainInfo.construct: None 0
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:663) Storing 
VM details: {'ssidref': '0', 'uuid': ' 708ec234-dfe0-0415-e687-a034154a3916', 
'on_reboot': 'restart', 'image': "(linux (kernel /boot/vmlinuz-2.6.12.6-xen3 
_12.1_rhel4.1) (root /dev/sda1) (args 'ro selinux=0 3'))", 'on_poweroff': 
'destroy', 'name': 'tom1', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '256', 
'on_crash': 'restart', 'maxmem': '256'}
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:1272) 
XendDomainInfo.destroy: domid=19
[2006-02-13 17:01:18 xend.XendDomainInfo] DEBUG (XendDomainInfo:1280) 
XendDomainInfo.destroyDomain(19)
[2006-02-13 17:01:18 xend] ERROR (XendDomain:266) Restore failed
Traceback (most recent call last):
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomain.py", 
line 261, in domain_restore_fd
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendCheckpoint.py",
 
line 127, in restore
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomain.py", 
line 285, in restore_
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomainInfo.py",
 
line 258, in restore
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomainInfo.py",
 
line 1338, in createDevice s
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/XendDomainInfo.py",
 
line 975, in createDevice
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/server/DevController.py",
 
line 80, in createDe vice
  File 
"/var/tmp/xen-3.0.1-12.1_rhel4.1-root/usr/lib/python/xen/xend/server/netif.py", 
line 91, in getDeviceDetails
TypeError: sequence item 0: expected string, list found



-- 
----------------------------------------------------------------------------------------
Michael Mey                                  
Thinking Objects Software GmbH    |   mailto: michael.mey@xxxxxx 
Lilienthalstrasse 2/1             |   phone: +49 711 88770-147
70825 Stuttgart-Korntal, Germany  |   fax: +49 711 88770-449
----------------------------------------------------------------------------------------

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