Xen users - Jun 2007 - Xen 3.1 Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

I get the error while starting hvm doms.

Any workarounds... suggestions.. 

Thanks
/Jd

Some thiings that might be useful are cut-pasted
below.

ifconfig -a
udevmonitor output (as suggested in prev posts)
qemu-dm log
xend.log
xend-debug does not seem to have anything interesting.


ifconfig -a
==========eth0      Link encap:Ethernet  HWaddr
00:0F:EA:53:5C:79  
          inet addr:192.168.12.103 
Bcast:192.168.12.255  Mask:255.255.255.0
          inet6 addr: fe80::20f:eaff:fe53:5c79/64
Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500 
Metric:1
          RX packets:3616 errors:0 dropped:0
overruns:0 frame:0
          TX packets:1866 errors:0 dropped:0
overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:2012466 (1.9 MiB)  TX bytes:351189
(342.9 KiB)
          Interrupt:16 Base address:0xc000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1682 errors:0 dropped:0
overruns:0 frame:0
          TX packets:1682 errors:0 dropped:0
overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:3286556 (3.1 MiB)  TX bytes:3286556
(3.1 MiB)

xenbr0    Link encap:Ethernet  HWaddr
00:0F:EA:53:5C:79  
          inet addr:192.168.12.103 
Bcast:192.168.12.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500 
Metric:1
          RX packets:3598 errors:0 dropped:0
overruns:0 frame:0
          TX packets:1824 errors:0 dropped:0
overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1955948 (1.8 MiB)  TX bytes:345201
(337.1 KiB)






====== udev monitor output ===udevmonitor prints the received event from the
kernel
[UEVENT]
and the event which udev sends out after rule
processing [UDEV]
UEVENT[1182238470.444318]
add@/devices/xen-backend/vfb-8-0
UDEV  [1182238470.451658]
add@/devices/xen-backend/vfb-8-0
UEVENT[1182238470.475845]
add@/devices/xen-backend/vbd-8-768
UDEV  [1182238470.475845]
add@/devices/xen-backend/vbd-8-768
UEVENT[1182238470.498735]
add@/devices/xen-backend/vbd-8-5632
UDEV  [1182238470.498735] 
add@/devices/xen-backend/vbd-8-5632
UEVENT[1182238470.543309]
add@/devices/xen-backend/vif-8-0
UDEV  [1182238470.543309]
add@/devices/xen-backend/vif-8-0
UEVENT[1182238470.551555] add@/class/net/tap0
UDEV  [1182238470.578702] add@/class/net/tap0
UEVENT[1182238470.651827]
add@/devices/xen-backend/console-8-0
UDEV  [1182238470.667398]
add@/devices/xen-backend/console-8-0
UEVENT[1182238570.888056] remove@/class/net/tap0
UDEV  [1182238570.900534] remove@/class/net/tap0
======================
qemu-dm log
==========domid: 8
qemu: the number of cpus is 1
Watching /local/domain/8/logdirty/next-active
qemu_map_cache_init nr_buckets = 4000
shared page at pfn ffff
buffered io page at pfn fffd
Time offset set 0
xs_read(): vncpasswd get error.
/vm/bf8b49f7-03d0-7311-ab3f-cc1bb4719bba/vncpasswd.
I/O request not ready: 0, ptr: 0, port: 0, data: 0,
count: 0, size: 0
Triggered log-dirty buffer switch

============xend.log

[2007-06-19 00:34:30 3694] DEBUG (XendDomainInfo:824)
Storing domain details: {''console/port'':
''3'', ''name'':
''ubuntu-6'', ''console/limit'':
''1048576'', ''vm'':
''/vm/bf8b49f7-03d0-7311-ab3f-cc1bb4719bba'',
''domid'':
''8'', ''image/suspend-cancel'':
''1'',
''cpu/0/availability'': ''online'',
''memory/target'':
''262144'',
''control/platform-feature-multiprocessor-suspend'':
''1'', ''store/ring-ref'':
''65534'', ''store/port'':
''2''}
[2007-06-19 00:34:30 3694] DEBUG (DevController:115)
DevController: writing {''state'': ''1'',
''backend-id'':
''0'', ''backend'':
''/local/domain/0/backend/console/8/0''}
to /local/domain/8/device/console/0.
[2007-06-19 00:34:30 3694] DEBUG (DevController:117)
DevController: writing {''domain'':
''ubuntu-6'',
''protocol'': ''vt100'',
''uuid'':
''6559d304-1ba1-b752-f2c6-9a237ef4d6b2'',
''frontend'':
''/local/domain/8/device/console/0'', ''state'':
''1'',
''location'': ''3'', ''online'':
''1'', ''frontend-id'': ''8''}
to
/local/domain/0/backend/console/8/0.
[2007-06-19 00:34:30 3694] DEBUG (XendDomainInfo:908)
XendDomainInfo.handleShutdownWatch
[2007-06-19 00:34:30 3694] DEBUG (DevController:148)
Waiting for devices vif.
[2007-06-19 00:34:30 3694] DEBUG (DevController:153)
Waiting for 0.
[2007-06-19 00:34:30 3694] DEBUG (DevController:539)
hotplugStatusCallback
/local/domain/0/backend/vif/8/0/hotplug-status.
[2007-06-19 00:36:10 3694] DEBUG (XendDomainInfo:1660)
XendDomainInfo.destroy: domid=8
[2007-06-19 00:36:10 3694] DEBUG (XendDomainInfo:1677)
XendDomainInfo.destroyDomain(8)






       
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