Hello:
I use debian sarge with xen 3.0 changeset 8112, make from source and
boot dom0
without problems.
But when I try to start first domU, it complained
"Error: Device 2049 (vbd) could not be connected. Backend device not found."
drbl:~# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 167 2 r----- 7283.9
etch 1 60 1 --p--- 0.0
Then I check /var/log/xend.log
[2005-11-30 13:44:50 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 1264, in
waitForDevices
self.waitForDevices_(c)
File "/usr/lib/python/xen/xend/XendDomainInfo.py", line 912, in
waitForDevices_
return self.getDeviceController(deviceClass).waitForDevices()
File "/usr/lib/python/xen/xend/server/DevController.py", line 121, in
waitForDevices
return map(self.waitForDevice, self.deviceIDs())
File "/usr/lib/python/xen/xend/server/DevController.py", line 137, in
waitForDevice
raise VmError("Device %s (%s) could not be connected. "
VmError: Device 2049 (vbd) could not be connected. Backend device not found.
I have no idea how it is going on, but when I check /var/log/syslog
Nov 30 13:44:50 drbl udev[3930]: error: unknown bus, please report to
<linux-hotplug-devel@xxxxxxxxxxxxx
orge.net> 'xen-backend'
Nov 30 13:44:50 drbl logger: /etc/xen/scripts/block: add
XENBUS_PATH=backend/vbd/1/2049
Nov 30 13:44:50 drbl udev[3936]: error: unknown bus, please report to
<linux-hotplug-devel@xxxxxxxxxxxxx
orge.net> 'xen-backend'
Nov 30 13:44:50 drbl logger: /etc/xen/scripts/block: Writing
backend/vbd/1/2049/hotplug-status error to
xenstore.
Nov 30 13:44:50 drbl logger: /etc/xen/scripts/vif-bridge: online
XENBUS_PATH=backend/vif/1/0
Nov 30 13:44:50 drbl logger: /etc/xen/scripts/block: Failed to find an unused
loop device
So I destroy paused domU, manual "modprobe loop", then "xm create etch"
again
It worked well. Now I can start my domUs well, any thought ??
drbl:/# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 167 2 r----- 9126.1
etch 8 30 1 r----- 9.4
--
Louie November 30, 2005 14:35:35
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