satimis@xxxxxxxxxxxxxx wrote:
Hi folks
KVM
Host - Fedora 12 64bit
VM (guest) - Windows Server 2008 64bit
Fail to attach CDWriter.
$ sudo virsh -c qemu:///system start vm06_wser08
Domain vm06_wser08 started
$ cat VM/DEV/cd.xml
<disk type="block" device="cdrom">
<target dev="hdc" bus="ide"/>
<readonly/>
<source dev="/dev/sr0"/>
</disk>
$ sudo virsh attach-device vm06_wser08 VM/DEV/cd.xml
error: Failed to attach device from VM/DEV/cd.xml
error: server closed connection
$ sudo tail /var/log/messages
Feb 19 15:45:36 localhost kernel: br0: port 2(vnet0) entering forwarding
state
Feb 19 15:48:31 localhost libvirtd: 15:48:31.574: error :
qemudDomainChangeEjectableMedia:5186 : internal error No device with bus
'ide' and target 'hdc'
Feb 19 15:48:31 localhost kernel: libvirtd[1738]: segfault at 70 ip
00000000004367e2 sp 00007f210acfc8f0 error 4 in libvirtd[400000+7f000]
Feb 19 15:48:31 localhost abrtd: Directory 'ccpp-1266565711-1639'
creation detected
Feb 19 15:48:31 localhost abrtd: Lock file
'/var/cache/abrt/ccpp-1266565711-1639.lock' is locked by process 21223
Feb 19 15:48:32 localhost abrtd: Lock file
'/var/cache/abrt/ccpp-1266565711-1639.lock' is locked by process 21223
Feb 19 15:48:33 localhost abrt[21223]: saved core dump of pid 1639
(/usr/sbin/libvirtd) to /var/cache/abrt/ccpp-1266565711-1639/coredump
(60129280 bytes)
Feb 19 15:48:33 localhost abrtd: Getting local universal unique
identification...
Feb 19 15:48:33 localhost abrtd: New crash, saving
Feb 19 15:48:33 localhost abrtd:
RunApp('/var/cache/abrt/ccpp-1266565711-1639','test x"`cat component`" =
x"xorg-x11-server-Xorg" && cp /var/log/Xorg.0.log .')
If I put following content on vm06_wser08 ; (cd.xml)
<disk type="block" device="cdrom">
<target dev="hdc" bus="ide"/>
<readonly/>
<source dev="/dev/sr0"/>
</disk>
Then it works. CDWriter can be attached to Vista. But I must insert
the CD on the drive before starting vm06_wser08. Otherwises it complains.
I second this bug report. Just yesterday I tried to attach a CDROM to an
already-running WinXP guest under qemu-0.12.1.2 with libvirt 0.7.5 using
virt-manager 0.8.2. virt-manager immediately dropped its connection and
refused to re-connect to the libvirtd socket. Futher investigation
showed that the libvirtd process had died.
Restarting libvirtd, stopping the VM, attaching the CDROM again, and
then re-starting the VM from scratch made the CDROM visible within the
guest, suggesting there is something not quite right with the dynamic
device attachment mechanism in libvirt.
ATB,
Mark.
--
Mark Cave-Ayland - Senior Technical Architect
PostgreSQL - PostGIS
Sirius Corporation plc - control through freedom
http://www.siriusit.co.uk
t: +44 870 608 0063
Sirius Labs: http://www.siriusit.co.uk/labs
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