[Xen-bugs] [Bug 392] domU cannot start: Device 0 (vif) could not be connected

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=392





------- Additional Comments From hien1@xxxxxxxxxx  2005-11-14 21:58 -------
Tried new built today and domU couldn't start with the same errors:

[root@x335-hien1 xen]# xm create -c x335-hien1-vm4.cfg
Using config file "x335-hien1-vm4.cfg".
Error: Device 0 (vif) could not be connected. Hotplug scripts not working

[root@x335-hien1 xen]# cd /xen-unstable.hg
[root@x335-hien1 xen-unstable.hg]# hg tip
changeset:   7793:090e44133d40
tag:         tip
user:        kaf24@xxxxxxxxxxxxxxxxxxxx
date:        Mon Nov 14 11:13:38 2005 +0100
summary:     Use make_lowmem_page_readonly/writable() in preference to the
------------------
xend.log showed:

[root@x335-hien1 xen-unstable.hg]# tail -30 /var/log/xend.log
[2005-11-14 15:44:54 xend] DEBUG (image:171) image          = 
/boot/vmlinuz-2.6-xenU
[2005-11-14 15:44:54 xend] DEBUG (image:172) store_evtchn   = 1
[2005-11-14 15:44:54 xend] DEBUG (image:173) console_evtchn = 2
[2005-11-14 15:44:54 xend] DEBUG (image:174) cmdline        =  root=/dev/sdb1 ro
ro selinux=0 3
[2005-11-14 15:44:54 xend] DEBUG (image:175) ramdisk        =
[2005-11-14 15:44:54 xend] DEBUG (image:176) vcpus          = 1
[2005-11-14 15:44:54 xend] DEBUG (DevController:286) DevController: writing
{'virtual-device': '2065', 'backend-id': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vbd/1/2065'} to /local/domain/1/device/vbd/2065.
[2005-11-14 15:44:54 xend] DEBUG (DevController:288) DevController: writing
{'domain': 'x335-hien1-vm4', 'params': '/FC4-FILEVBD4/FC4-32-filevbd4',
'frontend-id': '1', 'type': 'file', 'state': '1', 'dev': 'sdb1', 'frontend':
'/local/domain/1/device/vbd/2065'} to /local/domain/0/backend/vbd/1/2065.
[2005-11-14 15:44:54 xend] DEBUG (DevController:286) DevController: writing
{'backend-id': '0', 'mac': 'AA:00:00:17:12:6A', 'handle': '0', 'state': '1',
'backend': '/local/domain/0/backend/vif/1/0'} to /local/domain/1/device/vif/0.
[2005-11-14 15:44:54 xend] DEBUG (DevController:288) DevController: writing
{'domain': 'x335-hien1-vm4', 'handle': '0', 'script': 
'/etc/xen/scripts/vif-route',
'ip': '10.8.1.2', 'state': '1', 'frontend': '/local/domain/1/device/vif/0',
'mac': 'AA:00:00:17:12:6A', 'frontend-id': '1'} to 
/local/domain/0/backend/vif/1/0.
[2005-11-14 15:44:54 xend.XendDomainInfo] DEBUG (XendDomainInfo:549) Storing VM
details: {'ssidref': '0', 'uuid': '82e21de7-5b53-e9ed-409b-e73ae344b06e',
'on_reboot': 'restart', 'image': "(linux (kernel /boot/vmlinuz-2.6-xenU) (root
'/dev/sdb1 ro') (args 'ro selinux=0 3') (vcpus 1) (vcpus 1) (boot c) (display
localhost:10.0))", 'on_poweroff': 'destroy', 'name': 'x335-hien1-vm4', 'vcpus':
'1', 'vcpu_avail': '1', 'memory': '1024', 'on_crash': 'restart', 'maxmem': 
'1024'}
[2005-11-14 15:44:54 xend.XendDomainInfo] DEBUG (XendDomainInfo:574) Storing
domain details: {'console/ring-ref': '122705', 'console/port': '2', 'name':
'x335-hien1-vm4', 'console/limit': '1048576', 'vm':
'/vm/82e21de7-5b53-e9ed-409b-e73ae344b06e', 'domid': '1', 'cpu/0/availability':
'online', 'memory/target': '1048576', 'store/ring-ref': '122706', 'store/port': 
'1'}
[2005-11-14 15:44:54 xend] DEBUG (DevController:82) Waiting for devices vif.
[2005-11-14 15:44:54 xend] DEBUG (DevController:88) Waiting for 0.
[2005-11-14 15:44:59 xend] ERROR (SrvBase:87) Request wait_for_devices failed.
Traceback (most recent call last):
  File "/usr/lib/python/xen/web/SrvBase.py", line 85, in perform
    return op_method(op, req)
  File "/usr/lib/python/xen/xend/server/SrvDomain.py", line 68, in
op_wait_for_devices
    return self.dom.waitForDevices()
  File "/usr/lib/python/xen/xend/XendDomainInfo.py", line 1200, in 
waitForDevices
    self.waitForDevices_(c)
  File "/usr/lib/python/xen/xend/XendDomainInfo.py", line 856, in 
waitForDevices_
    return self.getDeviceController(deviceClass).waitForDevices()
  File "/usr/lib/python/xen/xend/server/DevController.py", line 84, in
waitForDevices
    return map(self.waitForDevice, self.deviceIDs())
  File "/usr/lib/python/xen/xend/server/DevController.py", line 93, in 
waitForDevice
    raise VmError( ("Device %s (%s) could not be connected. "
VmError: Device 0 (vif) could not be connected. Hotplug scripts not working
[2005-11-14 15:44:59 xend] DEBUG (DevController:309) hotplugStatus 0
-------------

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