[Xen-users] newbie xen problens with vbd

[JC Júnior <junior.listas@xxxxxxxxx>]

hi all; first of all, sorry for long message...

   I'm new in xen and using debian sarge as dom0 with xen 3.0.3  ( 
3.0.4 does not work perfectly ), everything works nice ( make world, 
make install ),  I created successfully one debian sarge domU ( like 
howtoforge howto ), an set a config file:
#----debian_base-----------------------------------
kernel = "/boot/vmlinuz-2.6-xen"
name = "debianbase"
memory = 64
cpu=0
disk = [ "file:/vserver/debian.base/debian.base.img,sda2,w" ]
root = "/dev/sda2 ro"
vif = [ '' ]  #its only for test
#--------------------------------------------------------------

and when i type:  xm create -c debian_base shows:

Using config file "debian_base".
Error: Device 2050 (vbd) could not be connected. Backend device not found.

After this, the domU stops...
I have a look in log files and  I did not find nothing that made very 
sensible for me, but here go some snippets:
# /var/log/messages
Feb 20 02:33:49 localhost kernel: device vif9.0 entered promiscuous mode
Feb 20 02:33:49 localhost kernel: ADDRCONF(NETDEV_UP): vif9.0: link is 
not ready
Feb 20 02:33:50 localhost kernel: xenbr0: port 3(vif9.0) entering 
disabled state
Feb 20 02:33:50 localhost kernel: device vif9.0 left promiscuous mode
Feb 20 02:33:50 localhost kernel: xenbr0: port 3(vif9.0) entering 
disabled state
#/var/log/syslog
Feb 20 02:33:49 localhost kernel: device vif9.0 entered promiscuous mode
Feb 20 02:33:49 localhost kernel: ADDRCONF(NETDEV_UP): vif9.0: link is 
not ready
Feb 20 02:33:49 localhost logger: /etc/xen/scripts/vif-bridge: 
Successful vif-bridge online for vif9.0, bridge xenbr0.
Feb 20 02:33:49 localhost logger: /etc/xen/scripts/vif-bridge: Writing 
backend/vif/9/0/hotplug-status connected to xenstore.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: add 
XENBUS_PATH=backend/vbd/9/2050
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: Writing 
backend/vbd/9/2050/hotplug-status error to xenstore.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: 
/vserver/debian.base/debian.base.img does not exist.
Feb 20 02:33:50 localhost kernel: xenbr0: port 3(vif9.0) entering 
disabled state
Feb 20 02:33:50 localhost kernel: device vif9.0 left promiscuous mode
Feb 20 02:33:50 localhost kernel: xenbr0: port 3(vif9.0) entering 
disabled state
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/vif-bridge: offline 
XENBUS_PATH=backend/vif/9/0
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/vif-bridge: brctl 
delif xenbr0 vif9.0 failed
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/vif-bridge: ifconfig 
vif9.0 down failed
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/vif-bridge: 
Successful vif-bridge offline for vif9.0, bridge xenbr0.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/xen-hotplug-cleanup: 
XENBUS_PATH=backend/vif/9/0
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: remove 
XENBUS_PATH=backend/vbd/9/2050
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: Writing 
backend/vbd/9/2050/hotplug-status error to xenstore.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: xenstore-read 
backend/vbd/9/2050/node failed.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: Writing 
backend/vbd/9/2050/hotplug-status error to xenstore.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/block: 
/etc/xen/scripts/block failed; error detected.
Feb 20 02:33:50 localhost logger: /etc/xen/scripts/xen-hotplug-cleanup: 
XENBUS_PATH=backend/vbd/9/2050
#/var/log/xen/xen-hotplug.log
Nothing to flush.
xenstore-read: couldn't read path backend/vbd/9/2050/node

#/var/log/xen/xend.log
[2007-02-20 02:33:49 xend 7876] DEBUG (DevController:143) Waiting for 
devices vif.
[2007-02-20 02:33:49 xend 7876] DEBUG (DevController:149) Waiting for 0.
[2007-02-20 02:33:49 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vif/9/0/hotplug-status.
[2007-02-20 02:33:49 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vif/9/0/hotplug-status.
[2007-02-20 02:33:49 xend 4572] DEBUG (DevController:478) 
hotplugStatusCallback 1.
[2007-02-20 02:33:50 xend 7876] DEBUG (DevController:143) Waiting for 
devices usb.
[2007-02-20 02:33:50 xend 7876] DEBUG (DevController:143) Waiting for 
devices vbd.
[2007-02-20 02:33:50 xend 7876] DEBUG (DevController:149) Waiting for 2050.
[2007-02-20 02:33:50 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vbd/9/2050/hotplug-status.
[2007-02-20 02:33:50 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/v[2007-02-20 02:33:49 xend 
7876] DEBUG (DevController:143) Waiting for devices vif.
[2007-02-20 02:33:49 xend 7876] DEBUG (DevController:149) Waiting for 0.
[2007-02-20 02:33:49 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vif/9/0/hotplug-status.
[2007-02-20 02:33:49 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vif/9/0/hotplug-status.
[2007-02-20 02:33:49 xend 4572] DEBUG (DevController:478) 
hotplugStatusCallback 1.
[2007-02-20 02:33:50 xend 7876] DEBUG (DevController:143) Waiting for 
devices usb.
[2007-02-20 02:33:50 xend 7876] DEBUG (DevController:143) Waiting for 
devices vbd.
[2007-02-20 02:33:50 xend 7876] DEBUG (DevController:149) Waiting for 2050.
[2007-02-20 02:33:50 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vbd/9/2050/hotplug-status.
[2007-02-20 02:33:50 xend 4572] DEBUG (DevController:464) 
hotplugStatusCallback /local/domain/0/backend/vbd/9/2050/hotplug-status.
[2007-02-20 02:33:50 xend 4572] DEBUG (DevController:478) 
hotplugStatusCallback 2.
[2007-02-20 02:33:50 xend.XendDomainInfo 8000] DEBUG 
(XendDomainInfo:1449) XendDomainInfo.destroy: domid=9
bd/9/2050/hotplug-status.
[2007-02-20 02:33:50 xend 4572] DEBUG (DevController:478) 
hotplugStatusCallback 2.
[2007-02-20 02:33:50 xend.XendDomainInfo 8000] DEBUG 
(XendDomainInfo:1449) XendDomainInfo.destroy: domid=9
#/var/log/xen/xend-debug.log

dont show anything ---


I found lots information about on google, but nothing helped, somebody 
can help me??
JC


ps. sorry my bad english









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