http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=527
Summary: Error: Device 2049 (vbd) could not be connected.
Product: Xen
Version: 3.0.1
Platform: x86-64
OS/Version: Linux-2.6
Status: NEW
Severity: normal
Priority: P2
Component: Hypervisor
AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
ReportedBy: jslittl@xxxxxxxxxxxxx
CC: ewan@xxxxxxxxxxxxx
When I have a domU that resides in the auto directory I get 'Error: Device 2049
(vbd) could not be connected' and the domain starts in a paused mode. Shutting
it down and restarting has the same effect. Following is some output from the xm
log and an attempted restart.
Directly after dom0 reboot:
xen0:/etc/xen/scripts # xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 251 4 r----- 329.4
xen0vm0-64 4 256 1 --p--- 0.0?
>From the logs after dom0 reboot:
[2006-02-08 12:03:00 xend] ERROR (SrvBase:87) Request wait_for_devices failed.
Traceback (most recent call last):
File "/usr/lib64/python/xen/web/SrvBase.py", line 85, in perform
return op_method(op, req)
File "/usr/lib64/python/xen/xend/server/SrvDomain.py", line 72, in
op_wait_for_devices
return self.dom.waitForDevices()
File "/usr/lib64/python/xen/xend/XendDomainInfo.py", line 1350, in
waitForDevices
self.waitForDevices_(c)
File "/usr/lib64/python/xen/xend/XendDomainInfo.py", line 979, in
waitForDevices_
return self.getDeviceController(deviceClass).waitForDevices()
File "/usr/lib64/python/xen/xend/server/DevController.py", line 134, in
waitForDevices
return map(self.waitForDevice, self.deviceIDs())
File "/usr/lib64/python/xen/xend/server/DevController.py", line 169, in
waitForDevice
raise VmError("Device %s (%s) could not be connected.\n%s" %
VmError: Device 2049 (vbd) could not be connected.
Device /dev/xensan/xenvm1-64 is mounted in a guest domain,
and so cannot be mounted now.
And an attempt at shutting down the domU and restarting:
xen0:/etc/xen/scripts # xm unpause xen0vm0-64
xen0:/etc/xen/scripts # xm shutdown xen0vm0-64
xen0:/etc/xen/scripts # xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 251 4 r----- 326.4
xen0:/etc/xen/scripts # xm create -c ../auto/xen0vm0-64
Using config file "../auto/xen0vm0-64".
Error: Device 2049 (vbd) could not be connected.
Device /dev/xensan/xenvm1-64 is mounted in a guest domain,
and so cannot be mounted now.
xen0:/etc/xen/scripts #
The system setup
OS: xen0:~ # SPident
CONCLUSION: System is up-to-date!
found SLES-9-x86_64-SP3 + "online updates"
Hardware: Sun V20z, dual cpu AMD64
The virtual machine resides on EMC San space setup with LVM (/dev/sdc setup as
volume group /dev/xensan)
I've tried various settings in the /etc/sysconfig/xendomains file but without
any luck.
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