FWIW ran into another guest today which wouldn't boot through virt-
mangler. Kept getting error message: operation failed: failed to
retrieve chardev info in qemu with 'info chardev' *sigh*
It was the only guest left wounded from the Lucid upgrade. I could still
start it using the script above,
Fixed for me using: touch /etc/apparmor.d/disable/usr.sbin.libvirtd
and then reboot. Also had a non-existent CDROM defined under the
Details section which I removed. I don't think it had anything to do
with the original problem. I removed the file created above and rebooted
and things were back
Just upgraded my x86_64 12 core opteron hypervisor to Ubuntu 10.04.2 LTS
and am now unable to start any guests using virt-manager.
Traceback (most recent call last):
File /usr/share/virt-manager/virtManager/engine.py, line 588, in run_domain
vm.startup()
File
Maybe related bugs:
https://bugs.launchpad.net/nova/+bug/702741
https://bugs.launchpad.net/nova/+bug/702723
Since my install is a complete new, network install, the fix released must have
been installed too, except it never hit the release tree for jaunty, maverick,
or natty. I am seeing this
An other one that may be related:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/607884
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/615077
And some found by RedHat:
https://bugzilla.redhat.com/show_bug.cgi?id=635328
And something about the very same problem on HowToForge:
Can you post an example xml for which 'virsh define' fails?
** Changed in: libvirt (Ubuntu)
Status: New = Incomplete
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https://bugs.launchpad.net/bugs/781936
I could manage to start a kvm, but for some reason I do not understand
there is no output on vnc. The only error message I receive is from kvm
trying to access a tap device I did not create before starting kvm. But
this error doesn't seem to be fatal at all. I am now sure the error is
libvirtd
it fails on various files:
failing to start, failing to create.
** Attachment added: ipcop.xmldump
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/781936/+attachment/2127047/+files/ipcop.xmldump
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Could be related to
https://bugs.launchpad.net/ubuntu/+source/etherboot/+bug/566832 and
https://bugs.launchpad.net/bugs/570870
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https://bugs.launchpad.net/bugs/781936
With this xml file, on a natty host, after doing
sudo lvcreate -L 2G -n delme lxc
to create /dev/lxc/delme,
I was able to do
virsh define ipcop.xmldump
virsh start ipcop
and then connect to localhost:8 with gvncviewer
** Attachment added: ipcop.xmldump
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https://bugs.launchpad.net/bugs/781936
Title:
libvirtd: operation failed: failed to retrieve chardev info in qemu
with 'info chardev'
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Ubuntu-server-bugs
This breaks kvm/qemu complete, since I cant start old, existing domains
any more and I cant create new ones. After restarting a host I cant
start any guest any more.
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