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Re: [Xen-users] Error restoring a domU

from [Michael Mey] [Permanent Link][Original]
To: A N <cse.syslab@xxxxxxxxx>
Subject: Re: [Xen-users] Error restoring a domU
From: Michael Mey <michael.mey@xxxxxx>
Date: Tue, 14 Feb 2006 12:14:21 +0100
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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Organization: Thinking Objects Software GmbH
References: <200602131720.58307.michael.mey@xxxxxx> <896ae46a0602132116p12dd9004j4efa03c704546584@xxxxxxxxxxxxxx>
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They were created and started with the same version of Xen on the same host, 
just a few minutes before saving them.
I wanted to try out the features of Xen and there it happened. The error is 
reproducable.

Here is my config file:
------------------------------------------------------------
# Automatically generated xen config file
name = "tom1"
memory = "256"

disk = ['file:/data/vdisks/tom1-rhel4.img,hda1,w']

kernel = "/boot/vmlinuz-2.6.12.6-xen3_12.1_rhel4.1"

root = "/dev/hda1"

extra = "ro selinux=0 3"

vif = [ 'ip=10.0.10.1' ]
-------------------------------------------------------------

Regards,

Michael


On Tuesday 14 February 2006 06:16, A N wrote:
> What version of Xen were your saved images built with.
> I think you need to maintain version compatibility . Am not sure about this
> but I had a similar problem
> when trying to migrate VMs from 1 VMM to another which had slightly
> different builds.
>
> Also, can you post your vm config file ?
>
> regds
> ARN
>
> On 2/13/06, Michael Mey <michael.mey@xxxxxx> wrote:
> > 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
> >
> > -------------------------------------------------------------------------
> >---------------
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users

-- 
----------------------------------------------------------------------------------------
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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