http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=498
Summary: After migration from 2.0 to 3.0: Unable to reboot VMs
Product: Xen
Version: 3.0 (general)
Platform: All
OS/Version: Linux-2.6
Status: NEW
Severity: major
Priority: P2
Component: Unspecified
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: hseffler@xxxxxxxx
CC: hseffler@xxxxxxxx
I am migrating from a xen 2.0 setup to a new one based on xen 3.0. In both
cases basically the same setup of debian sarge is used as dom0.
Images created for the xen 2.0-machine are working fine except one thing: the
VMs do not come back after a reboot from within the VM or by 'xm reboot <name>'.
A configuration looks like this:
kernel = "/boot/vmlinuz-2.6.12-xenU"
memory = 400
name = "xen000"
nics = 1
vif = [ 'mac=aa:00:00:00:00:11, bridge=xenbr0' ]
root = "/dev/hda1 ro"
disk = [ 'file:/xen/xen000.img,hda1,w', 'file:/xen/xen000-swap.img,hda2,w' ]
The logs shows:
[2006-01-26 10:45:16 xend.XendDomainInfo] INFO (XendDomainInfo:816) Domain has
shutdown: name=xen000 id=10 reason=reboot.
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:1279)
XendDomainInfo.destroyDomain(10)
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:177)
XendDomainInfo.create(['domain', ['domid', 10], ['uuid',
'893efd39-b1489b39-1cf73c3e-d240e2e5'], ['ssidref', 0], ['vcpus', 1],
['vcpu_avail', 1], ['cpu_weight', 1.0], ['memory', 400], ['maxmem', 400],
['name', 'xen000'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'],
['on_crash', 'restart'], ['image', ['linux', ['kernel',
'/boot/vmlinuz-2.6.12-xenU'], ['root', '/dev/hda1 ro'], ['vcpus', '1'],
['vcpus', '1'], ['boot', 'c'], ['nics', '1']]], ['device', ['vif', ['backend',
0], ['script', 'vif-bridge'], ['bridge', 'xenbr0'], ['mac',
'aa:00:00:00:00:11']]], ['device', ['vbd', ['backend', 0], ['dev', 'hda1'],
['uname', 'file:/xen/xen000.img'], ['mode', 'w']]], ['device', ['vbd',
['backend', 0], ['dev', 'hda2'], ['uname', 'file:/xen/xen000-swap.img'],
['mode', 'w']]], ['state', '---s--'], ['shutdown_reason', 'reboot'],
['cpu_time', 14.094120401], ['vcpus', 1], ['online_vcpus', 1], ['up_time',
'84.9042799473'], ['start_time', '1138268631.31'], ['store_mfn', 124460],
['console_mfn', 124459]])
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:282)
parseConfig: config is ['domain', ['domid', 10], ['uuid',
'893efd39-b1489b39-1cf73c3e-d240e2e5'], ['ssidref', 0], ['vcpus', 1],
['vcpu_avail', 1], ['cpu_weight', 1.0], ['memory', 400], ['maxmem', 400],
['name', 'xen000'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'],
['on_crash', 'restart'], ['image', ['linux', ['kernel',
'/boot/vmlinuz-2.6.12-xenU'], ['root', '/dev/hda1 ro'], ['vcpus', '1'],
['vcpus', '1'], ['boot', 'c'], ['nics', '1']]], ['device', ['vif', ['backend',
0], ['script', 'vif-bridge'], ['bridge', 'xenbr0'], ['mac',
'aa:00:00:00:00:11']]], ['device', ['vbd', ['backend', 0], ['dev', 'hda1'],
['uname', 'file:/xen/xen000.img'], ['mode', 'w']]], ['device', ['vbd',
['backend', 0], ['dev', 'hda2'], ['uname', 'file:/xen/xen000-swap.img'],
['mode', 'w']]], ['state', '---s--'], ['shutdown_reason', 'reboot'],
['cpu_time', 14.094120401], ['vcpus', 1], ['online_vcpus', 1], ['up_time',
'84.9042799473'], ['start_time', '1138268631.31'], ['store_mfn', 124460],
['console_mfn', 124459]]
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:374)
parseConfig: result is {'ssidref': 0, 'uuid':
'893efd39-b1489b39-1cf73c3e-d240e2e5', 'on_crash': 'restart', 'on_reboot':
'restart', 'image': ['linux', ['kernel', '/boot/vmlinuz-2.6.12-xenU'], ['root',
'/dev/hda1 ro'], ['vcpus', '1'], ['vcpus', '1'], ['boot', 'c'], ['nics', '1']],
'on_poweroff': 'destroy', 'cpus': None, 'name': 'xen000', 'backend': [],
'vcpus': 1, 'cpu_weight': 1.0, 'vcpu_avail': 1, 'memory': 400, 'device':
[('vif', ['vif', ['backend', 0], ['script', 'vif-bridge'], ['bridge',
'xenbr0'], ['mac', 'aa:00:00:00:00:11']]), ('vbd', ['vbd', ['backend', 0],
['dev', 'hda1'], ['uname', 'file:/xen/xen000.img'], ['mode', 'w']]), ('vbd',
['vbd', ['backend', 0], ['dev', 'hda2'], ['uname',
'file:/xen/xen000-swap.img'], ['mode', 'w']])], 'bootloader': None, 'cpu':
None, 'maxmem': 400}
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:1129)
XendDomainInfo.construct: None 0
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:1161)
XendDomainInfo.initDomain: 11 1.0
[2006-01-26 10:45:16 xend] DEBUG (balloon:88) Balloon: free 355; need 401.
[2006-01-26 10:45:16 xend] DEBUG (balloon:84) Balloon: free 468; need 401; done.
[2006-01-26 10:45:16 xend] INFO (image:132) buildDomain os=linux dom=11 vcpus=1
[2006-01-26 10:45:16 xend] DEBUG (image:170) dom = 11
[2006-01-26 10:45:16 xend] DEBUG (image:171) image =
/boot/vmlinuz-2.6.12-xenU
[2006-01-26 10:45:16 xend] DEBUG (image:172) store_evtchn = 1
[2006-01-26 10:45:16 xend] DEBUG (image:173) console_evtchn = 2
[2006-01-26 10:45:16 xend] DEBUG (image:174) cmdline = root=/dev/hda1 ro
[2006-01-26 10:45:16 xend] DEBUG (image:175) ramdisk =
[2006-01-26 10:45:16 xend] DEBUG (image:176) vcpus = 1
[2006-01-26 10:45:16 xend] DEBUG (DevController:104) DevController: writing
{'backend-id': '0', 'mac': 'aa:00:00:00:00:11', 'handle': '0', 'state': '1',
'backend': '/local/domain/0/backend/vif/11/0'} to /local/domain/11/device/vif/0.
[2006-01-26 10:45:16 xend] DEBUG (DevController:106) DevController: writing
{'bridge': 'xenbr0', 'domain': 'xen000', 'handle': '0', 'script':
'/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend':
'/local/domain/11/device/vif/0', 'mac': 'aa:00:00:00:00:11', 'frontend-id':
'11'} to /local/domain/0/backend/vif/11/0.
[2006-01-26 10:45:16 xend] DEBUG (blkif:24) exception looking up device number
for hda1: [Errno 2] No such file or directory: '/dev/hda1'
[2006-01-26 10:45:16 xend] DEBUG (DevController:104) DevController: writing
{'virtual-device': '769', 'backend-id': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vbd/11/769'} to /local/domain/11/device/vbd/769.
[2006-01-26 10:45:16 xend] DEBUG (DevController:106) DevController: writing
{'domain': 'xen000', 'frontend': '/local/domain/11/device/vbd/769', 'dev':
'hda1', 'state': '1', 'params': '/xen/xen000.img', 'mode': 'w', 'frontend-id':
'11', 'type': 'file'} to /local/domain/0/backend/vbd/11/769.
[2006-01-26 10:45:16 xend] DEBUG (blkif:24) exception looking up device number
for hda2: [Errno 2] No such file or directory: '/dev/hda2'
[2006-01-26 10:45:16 xend] DEBUG (DevController:104) DevController: writing
{'virtual-device': '770', 'backend-id': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vbd/11/770'} to /local/domain/11/device/vbd/770.
[2006-01-26 10:45:16 xend] DEBUG (DevController:106) DevController: writing
{'domain': 'xen000', 'frontend': '/local/domain/11/device/vbd/770', 'dev':
'hda2', 'state': '1', 'params': '/xen/xen000-swap.img', 'mode': 'w',
'frontend-id': '11', 'type': 'file'} to /local/domain/0/backend/vbd/11/770.
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:661) Storing VM
details: {'ssidref': '0', 'uuid': '893efd39-b1489b39-1cf73c3e-d240e2e5',
'on_reboot': 'restart', 'start_time': '1138268716.75', 'on_poweroff':
'destroy', 'name': 'xen000', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '400',
'on_crash': 'restart', 'image': "(linux (kernel /boot/vmlinuz-2.6.12-xenU)
(root '/dev/hda1 ro') (vcpus 1) (vcpus 1) (boot c) (nics 1))", 'maxmem': '400'}
[2006-01-26 10:45:16 xend.XendDomainInfo] DEBUG (XendDomainInfo:686) Storing
domain details: {'console/ring-ref': '302216', 'console/port': '2', 'name':
'xen000', 'console/limit': '1048576', 'vm':
'/vm/893efd39-b1489b39-1cf73c3e-d240e2e5', 'domid': '11', 'cpu/0/availability':
'online', 'memory/target': '409600', 'store/ring-ref': '302217', 'store/port':
'1'}
[2006-01-26 10:45:17 xend.XendDomainInfo] WARNING (XendDomainInfo:799) Domain
has crashed: name=xen000 id=11.
[2006-01-26 10:45:17 xend.XendDomainInfo] ERROR (XendDomainInfo:1411) VM xen000
restarting too fast (1.172245 seconds since the last restart). Refusing to
restart to avoid loops.
[2006-01-26 10:45:17 xend.XendDomainInfo] DEBUG (XendDomainInfo:1271)
XendDomainInfo.destroy: domid=11
[2006-01-26 10:45:17 xend.XendDomainInfo] DEBUG (XendDomainInfo:1279)
XendDomainInfo.destroyDomain(11)
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