I think I reported this using the backport - and I can reproduce under
karmic. I think this might be the bug "virsh kill might kill the wrong
vm" . Look how the following undefines the wrong VM:
y...@mandragor:/etc/libvirt/qemu$ virsh dumpxml karmic
Connecting to uri: qemu:///system
<domain type='kvm'>
<name>karmic</name>
<uuid>a4947deb-fed4-197e-4156-b033c65aebda</uuid>
<memory>1048576</memory>
<currentMemory>1048576</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch='x86_64' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<source file='/home/yann/karmic.qcow2'/>
<target dev='hda' bus='ide'/>
</disk>
<disk type='file' device='cdrom'>
<target dev='hdc' bus='ide'/>
<readonly/>
</disk>
<interface type='network'>
<mac address='54:52:00:7c:2d:2a'/>
<source network='default'/>
<target dev='vnet0'/>
</interface>
<serial type='pty'>
<source path='/dev/pts/3'/>
<target port='0'/>
</serial>
<console type='pty' tty='/dev/pts/3'>
<source path='/dev/pts/3'/>
<target port='0'/>
</console>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/>
</devices>
</domain>
y...@mandragor:/etc/libvirt/qemu$ virsh dumpxml karmic2
Connecting to uri: qemu:///system
<domain type='kvm'>
<name>karmic</name>
<uuid>a4947deb-fed4-197e-4156-b033c65aebda</uuid>
<memory>1048576</memory>
<currentMemory>1048576</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch='x86_64' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<source file='/home/yann/karmic.qcow2'/>
<target dev='hda' bus='ide'/>
</disk>
<disk type='file' device='cdrom'>
<target dev='hdc' bus='ide'/>
<readonly/>
</disk>
<interface type='network'>
<mac address='54:52:00:7c:2d:2a'/>
<source network='default'/>
<target dev='vnet0'/>
</interface>
<serial type='pty'>
<source path='/dev/pts/3'/>
<target port='0'/>
</serial>
<console type='pty' tty='/dev/pts/3'>
<source path='/dev/pts/3'/>
<target port='0'/>
</console>
<input type='mouse' bus='ps2'/>
<graphics type='vnc' port='-1' autoport='yes' keymap='en-us'/>
</devices>
</domain>
y...@mandragor:/etc/libvirt/qemu$ virsh list --all
Connecting to uri: qemu:///system
Id Name State
----------------------------------
- karmic shut off
- karmic2 shut off
y...@mandragor:/etc/libvirt/qemu$ virsh undefine karmic2
Connecting to uri: qemu:///system
Domain karmic2 has been undefined
y...@mandragor:/etc/libvirt/qemu$ virsh list --all
Connecting to uri: qemu:///system
Id Name State
----------------------------------
- karmic2 shut off
--
Libvirt allows definition of several domains with the same UUID
https://bugs.launchpad.net/bugs/394353
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