[Xen-devel] pvfb failure

[Amin <amino7@xxxxxxxxx>]

Hi there,

I've been having no luck at all for about a week or two getting a vfb up. 
I'm using the latest changeset. Has anyone else had problems there?  This 
worked without issues before:

kernel="/boot/vmlinuz-2.6.18-xen"
ramdisk="/boot/initrd-2.6.18-xen.img"
name = "fc"
memory=256
disk=[ 'tap:aio:/home/xen/fc/disk.img,xvda1,w' ]
root="/dev/xvda1"
extra="ro xencons=xvc"
vif = [ 'mac=00:16:3e:2e:d7:66, bridge=xenbr0' ]
vfb = ['type=vnc,vncunused=1']


Now every time I start I get:
Error: Device 0 (vkbd) is already connected.

Log below.

Thanks
Amin

[2007-03-23 15:40:11 2793] DEBUG (XendDomainInfo:77) 
XendDomainInfo.create(['vm', ['name', 'fc'], ['memory', 256], ['vcpus', 1], 
['on_xend_start', 'ignore'], ['on_xend_stop', 'ig
nore'], ['image', ['linux', ['kernel', '/boot/vmlinuz-2.6.18-xen'], ['ramdisk', 
'/boot/initrd-2.6.18-xen.img'], ['root', '/dev/xvda1'], ['args', 'ro']]], 
['device', ['tap', ['una
me', 'tap:aio:/home/xen/fc/disk.img'], ['dev', 'xvda1'], ['mode', 'w']]], 
['device', ['vif', ['bridge', 'xenbr0'], ['mac', '00:16:3e:2e:d7:66']]], 
['device', ['vkbd']], ['device'
, ['vfb', ['vncunused', '1'], ['type', 'vnc'], ['display', ':0'], 
['xauthority', '/root/.xauthwOR16h']]]])
[2007-03-23 15:40:11 2793] DEBUG (XendDomainInfo:1402) 
XendDomainInfo.constructDomain
[2007-03-23 15:40:11 2793] DEBUG (XendDomain:431) Adding Domain: 13
[2007-03-23 15:40:11 2793] DEBUG (XendDomainInfo:1449) 
XendDomainInfo.initDomain: 13 256
[2007-03-23 15:40:11 2793] DEBUG (XendDomainInfo:1481) 
_initDomain:shadow_memory=0x0, memory_static_max=0x10000000, 
memory_static_min=0x0.
[2007-03-23 15:40:11 2793] DEBUG (balloon:127) Balloon: 262892 KiB free; need 
262144; done.
[2007-03-23 15:40:11 2793] INFO (image:129) buildDomain os=linux dom=13 vcpus=1
[2007-03-23 15:40:11 2793] DEBUG (image:198) domid          = 13
[2007-03-23 15:40:11 2793] DEBUG (image:199) memsize        = 256
[2007-03-23 15:40:11 2793] DEBUG (image:200) image          = 
/boot/vmlinuz-2.6.18-xen
[2007-03-23 15:40:11 2793] DEBUG (image:201) store_evtchn   = 1
[2007-03-23 15:40:11 2793] DEBUG (image:202) console_evtchn = 2
[2007-03-23 15:40:11 2793] DEBUG (image:203) cmdline        = root=/dev/xvda1 ro
[2007-03-23 15:40:11 2793] DEBUG (image:204) ramdisk        = 
/boot/initrd-2.6.18-xen.img
[2007-03-23 15:40:11 2793] DEBUG (image:205) vcpus          = 1
[2007-03-23 15:40:11 2793] DEBUG (image:206) features       =
[2007-03-23 15:40:12 2793] INFO (XendDomainInfo:1304) createDevice: vfb : 
{'vncunused': '1', 'xauthority': '/root/.xauthwOR16h', 'other_config': 
{'vncunused': '1', 'type': 'vnc',
 'display': ':0', 'xauthority': '/root/.xauthwOR16h'}, 'type': 'vnc', 
'display': ':0', 'uuid': '39d6e2e2-be6b-d287-9f6e-4866402280f6'}
[2007-03-23 15:40:12 2793] DEBUG (DevController:115) DevController: writing 
{'state': '1', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vfb/13/0'} to /local/domain/13/d
evice/vfb/0.
[2007-03-23 15:40:12 2793] DEBUG (DevController:117) DevController: writing 
{'vncunused': '1', 'domain': 'fc', 'frontend': '/local/domain/13/device/vfb/0', 
'uuid': '39d6e2e2-be6b
-d287-9f6e-4866402280f6', 'state': '1', 'online': '1', 'frontend-id': '13', 
'type': 'vnc', 'display': ':0', 'xauthority': '/root/.xauthwOR16h'} to 
/local/domain/0/backend/vfb/13/
0.
[2007-03-23 15:40:12 2793] DEBUG (vfbif:66) No VNC passwd configured for vfb 
access
[2007-03-23 15:40:12 2793] INFO (XendDomainInfo:1304) createDevice: tap : 
{'bootable': 1, 'uname': 'tap:aio:/home/xen/fc/disk.img', 'mode': 'w', 'dev': 
'xvda1', 'uuid': 'b6c04d9c
-7d34-c22e-cd27-2c578a468733'}
[2007-03-23 15:40:12 2793] DEBUG (DevController:115) DevController: writing 
{'backend-id': '0', 'virtual-device': '51713', 'device-type': 'disk', 'state': 
'1', 'backend': '/local
/domain/0/backend/tap/13/51713'} to /local/domain/13/device/vbd/51713.
[2007-03-23 15:40:12 2793] DEBUG (DevController:117) DevController: writing 
{'domain': 'fc', 'frontend': '/local/domain/13/device/vbd/51713', 'uuid': 
'b6c04d9c-7d34-c22e-cd27-2c5
78a468733', 'dev': 'xvda1', 'state': '1', 'params': 
'aio:/home/xen/fc/disk.img', 'mode': 'w', 'online': '1', 'frontend-id': '13', 
'type': 'tap'} to /local/domain/0/backend/tap/13
/51713.
[2007-03-23 15:40:12 2793] INFO (XendDomainInfo:1304) createDevice: vif : 
{'bridge': 'xenbr0', 'mac': '00:16:3e:2e:d7:66', 'uuid': 
'1677dcbf-fbdb-9d2b-188a-a599917ca8eb'}
[2007-03-23 15:40:12 2793] DEBUG (DevController:115) DevController: writing 
{'backend-id': '0', 'mac': '00:16:3e:2e:d7:66', 'handle': '0', 'state': '1', 
'backend': '/local/domain
/0/backend/vif/13/0'} to /local/domain/13/device/vif/0.
[2007-03-23 15:40:12 2793] DEBUG (DevController:117) DevController: writing 
{'bridge': 'xenbr0', 'domain': 'fc', 'handle': '0', 'uuid': 
'1677dcbf-fbdb-9d2b-188a-a599917ca8eb', 's
cript': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': 
'/local/domain/13/device/vif/0', 'mac': '00:16:3e:2e:d7:66', 'online': '1', 
'frontend-id': '13', 'type': 'netfron
t'} to /local/domain/0/backend/vif/13/0.
[2007-03-23 15:40:12 2793] INFO (XendDomainInfo:1304) createDevice: vkbd : 
{'uuid': 'c02f66b0-9b38-eb93-4368-312442572c23'}
[2007-03-23 15:40:12 2793] ERROR (XendDomainInfo:1516) 
XendDomainInfo.initDomain: exception occurred
Traceback (most recent call last):
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 1508, in 
_initDomain
    self._createDevices()
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 1306, in 
_createDevices
    devid = self._createDevice(devclass, config)
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 1282, in 
_createDevice
    return self.getDeviceController(deviceClass).createDevice(devConfig)
  File "//usr/lib64/python/xen/xend/server/DevController.py", line 111, in 
createDevice
    raise VmError("Device %s is already connected." % dev_str)
VmError: Device 0 (vkbd) is already connected.
[2007-03-23 15:40:12 2793] ERROR (XendDomainInfo:412) VM start failed
Traceback (most recent call last):
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 392, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "//usr/lib64/python/xen/xend/XendTask.py", line 213, in log_progress
    retval = func(*args, **kwds)
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 1519, in 
_initDomain
    raise exn
VmError: Device 0 (vkbd) is already connected.
[2007-03-23 15:40:12 2793] DEBUG (XendDomainInfo:1643) XendDomainInfo.destroy: 
domid=13
[2007-03-23 15:40:12 2793] DEBUG (XendDomainInfo:1660) 
XendDomainInfo.destroyDomain(13)
[2007-03-23 15:40:12 2793] ERROR (XendDomainInfo:82) Domain construction failed
Traceback (most recent call last):
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 80, in create
    vm.start()
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 392, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "//usr/lib64/python/xen/xend/XendTask.py", line 213, in log_progress
    retval = func(*args, **kwds)
  File "//usr/lib64/python/xen/xend/XendDomainInfo.py", line 1519, in 
_initDomain
    raise exn
VmError: Device 0 (vkbd) is already connected.
[2007-03-23 15:40:12 2793] DEBUG (XendDomainInfo:1643) XendDomainInfo.destroy: 
domid=None
[2007-03-23 15:40:12 2793] DEBUG (XendDomainInfo:1660) 
XendDomainInfo.destroyDomain(None)


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