[Xen-devel] Fail to create VM with unstable stage code

[Jun Koi <junkoi2004@xxxxxxxxx>]

Hi,

I tried to create a VM with latest stage code (C/S 19833), but always
get error:

"Error: Device 768 (vbd) could not be connected. Hotplug scripts not working."

Below is the qemu log, and xend.log. Any idea?

I get this problem for last few days, and cannot fix that. This turns
frustrated now :-((

Thanks,
J

QEMU log
----------
domid: 2
qemu: the number of cpus is 1
config qemu network with xen bridge for  tap2.0 xenbr0
Strip off blktap sub-type prefix to /home/xenvms/img.qcow2.ubuntu904
(drv 'qcow2')
Watching /local/domain/0/device-model/2/logdirty/next-active
Watching /local/domain/0/device-model/2/command
qemu_map_cache_init nr_buckets = 4000 size 327680
shared page at pfn feffd
buffered io page at pfn feffb
Guest uuid = e7dcb3dc-6739-4943-a165-b91b347dde02
Time offset set 0
populating video RAM at ff000000
mapping video RAM from ff000000
Register xen platform.
Done register platform.
xs_read(/vm/e7dcb3dc-6739-4943-a165-b91b347dde02/log-throttling): read error
platform_fixed_ioport: changed ro/rw state of ROM memory area. now is rw state.
xs_read(/local/domain/0/device-model/2/xen_extended_power_mgmt): read error
xs_read(): vncpasswd get error.
/vm/e7dcb3dc-6739-4943-a165-b91b347dde02/vncpasswd.
I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0


xend.log
--------
.....
[2009-06-25 18:49:01 4484] DEBUG (XendDomainInfo:1624) Storing domain
details: {'console/port': '3', 'name': 'ubuntu904', 'console/limit':
'1048576', 'store/port': '2', 'vm':
'/vm/e7dcb3dc-6739-4943-a165-b91b347dde02', 'domid': '2',
'image/suspend-cancel': '1', 'cpu/0/availability': 'online',
'memory/target': '921600',
'control/platform-feature-multiprocessor-suspend': '1',
'store/ring-ref': '1044476', 'console/type': 'ioemu'}
[2009-06-25 18:49:01 4484] DEBUG (DevController:95) DevController:
writing {'state': '1', 'backend-id': '0', 'backend':
'/local/domain/0/backend/console/2/0'} to
/local/domain/2/device/console/0.
[2009-06-25 18:49:01 4484] DEBUG (DevController:97) DevController:
writing {'domain': 'ubuntu904', 'frontend':
'/local/domain/2/device/console/0', 'uuid':
'68447c2d-be39-3aab-e20d-177f9a17f044', 'frontend-id': '2', 'state':
'1', 'location': '3', 'online': '1', 'protocol': 'vt100'} to
/local/domain/0/backend/console/2/0.
[2009-06-25 18:49:01 4484] DEBUG (XendDomainInfo:1711)
XendDomainInfo.handleShutdownWatch
[2009-06-25 18:49:01 4484] DEBUG (DevController:139) Waiting for devices vif.
[2009-06-25 18:49:01 4484] DEBUG (DevController:144) Waiting for 0.
[2009-06-25 18:49:01 4484] DEBUG (DevController:657)
hotplugStatusCallback /local/domain/0/backend/vif/2/0/hotplug-status.
[2009-06-25 18:49:01 4484] DEBUG (DevController:671) hotplugStatusCallback 1.
[2009-06-25 18:49:01 4484] DEBUG (DevController:139) Waiting for devices vscsi.
[2009-06-25 18:49:01 4484] DEBUG (DevController:139) Waiting for devices vbd.
[2009-06-25 18:49:01 4484] DEBUG (DevController:144) Waiting for 768.
[2009-06-25 18:49:01 4484] DEBUG (DevController:657)
hotplugStatusCallback
/local/domain/0/backend/tap/2/768/hotplug-status.
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2727)
XendDomainInfo.destroy: domid=2
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2201) Destroying device model
[2009-06-25 18:50:41 4484] INFO (image:580) ubuntu904 device model terminated
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2208) Releasing devices
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2221) Removing vif/0
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:1137)
XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2221) Removing vbd/768
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:1137)
XendDomainInfo.destroyDevice: deviceClass = tap, device = vbd/768
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2221) Removing vfb/0
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:1137)
XendDomainInfo.destroyDevice: deviceClass = vfb, device = vfb/0
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2221) Removing console/0
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:1137)
XendDomainInfo.destroyDevice: deviceClass = console, device =
console/0
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2206) No device model
[2009-06-25 18:50:41 4484] DEBUG (XendDomainInfo:2208) Releasing devices

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