Bug 454620

Description of problem:
That's the error in the logs after a series of 2 errors. I'll try to describe
them in details in steps to reproduce as I can't summarize what is wrong.

Version-Release number of selected component (if applicable):
virt-manager-0.5.3-8.el5
xen-3.0.3-64.el5


How reproducible:
100%

Steps to Reproduce:
1. Install F9, PV, i386, guest with encrypted FS (the whole disk)
2. Boot into the guest (name f1 in my case)
3. From virt-manager open the graphical console and observe the guest
4. When asked for the LUKS password enter a wrong password 3 times
5. There's a traceback in the guest
6. From the UI select: Virtual machine -> Destroy to destroy the guest & confirm
7. Error message #1 occurs in the logs (see below)
8. Close virt-manager
9. Start virt-manager again
10. Try to connect to the local xen connection
11. Error message #2 occurs in the logs (see below)

Actual results:
4-5) is described in https://bugzilla.redhat.com/show_bug.cgi?id=446669#c12 and
https://bugzilla.redhat.com/show_bug.cgi?id=446669#c13 and has nothing to do
with this bug. It merely produces a guest which doesn't want to shutdown so I
used destroy. 

7) After guest is destroyed th log starts filling up quickly with messages:

[Wed, 09 Jul 2008 07:55:50 virt-manager 4596] ERROR (engine:156) Could not
refresh connection xen:///
libvirt.libvirtError virDomainLookupByID() failed internal error domain
information incomplete, missing name
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 152, in _tick
    self.connections[uri]["connection"].tick()
  File "/usr/share/virt-manager/virtManager/connection.py", line 555, in tick
    vm = self.vmm.lookupByID(id)
  File "/usr/lib/python2.4/site-packages/libvirt.py", line 638, in lookupByID
    if ret is None:raise libvirtError('virDomainLookupByID() failed', conn=self)
libvirtError: virDomainLookupByID() failed internal error domain information
incomplete, missing name


10) After clicking on the local connection the first messages in the log are:

[Wed, 09 Jul 2008 07:56:55 virt-manager 5939] INFO (virt-manager:126)
Application startup
[Wed, 09 Jul 2008 07:56:55 virt-manager 5940] DEBUG (engine:74) About to connect
to uris ['xen:///']
[Wed, 09 Jul 2008 07:57:09 virt-manager 5940] DEBUG (connection:293) Scheduling
background open thread for xen:///
[Wed, 09 Jul 2008 07:57:09 virt-manager 5940] DEBUG (connection:300) Background
thread is running
[Wed, 09 Jul 2008 07:57:09 virt-manager 5940] DEBUG (connection:329) Background
open thread complete, scheduling notify
[Wed, 09 Jul 2008 07:57:09 virt-manager 5940] DEBUG (connection:338) Notifying
open result
[Wed, 09 Jul 2008 07:57:09 virt-manager 5940] ERROR (virt-manager:132) Traceback
(most recent call last):
  File "/usr/share/virt-manager/virtManager/connection.py", line 342, in
_open_notify
    self.tick()
  File "/usr/share/virt-manager/virtManager/connection.py", line 555, in tick
    vm = self.vmm.lookupByID(id)
  File "/usr/lib/python2.4/site-packages/libvirt.py", line 638, in lookupByID
    if ret is None:raise libvirtError('virDomainLookupByID() failed', conn=self)
libvirtError: virDomainLookupByID() failed internal error domain information
incomplete, missing name
None
[Wed, 09 Jul 2008 07:57:10 virt-manager 5940] ERROR (engine:156) Could not
refresh connection xen:///
exceptions.KeyError '00000000-0000-0000-0000-000000000000'
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/engine.py", line 152, in _tick
    self.connections[uri]["connection"].tick()
  File "/usr/share/virt-manager/virtManager/connection.py", line 518, in tick
    vm = self.vms[uuid]
KeyError: '00000000-0000-0000-0000-000000000000'


After that the last message (KeyError:00000) starts repeating.

Expected results:
Failed guest is destroyed and then it is able to start it again.

Additional info:
Restarting xend doesn't seem to help, only machine reboot helps to get
virt-manager running again.