[libvirt] can't install fedora guest

[Farkas Levente]

hi,
while i try to install fedora-10 guest on centos-5 host i've got the
error bellow virt-manager. our setup:
virt-manager-0.6.1-1
libvirt-0.6.0-1
kvm-83-1
-----------------------------------------------
Unable to complete install 'libvirt.libvirtError internal error unable
to start guest:
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 717, in
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 926,
in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 966,
in _do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 973, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: internal error unable to start guest:
-----------------------------------------------
while this is in virt-manager's log:
-----------------------------------------------
[Fri, 06 Feb 2009 10:27:15 virt-manager 31523] DEBUG (Storage:908)
Storage volume 'fedora-i386.img' install complete.
[Fri, 06 Feb 2009 10:27:15 virt-manager 31523] DEBUG (Guest:964)
Creating guest from:
<domain type='kvm'>
  <name>fedora-i386</name>
  <currentMemory>524288</currentMemory>
  <memory>524288</memory>
  <uuid>75330b36-f8e3-8459-2d71-fb47245d7203</uuid>
  <os>
    <type arch='x86_64'>hvm</type>
    <boot dev='cdrom'/>
  </os>
  <features>
    <acpi/><apic/>
  </features>
  <clock offset="utc"/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>destroy</on_reboot>
  <on_crash>destroy</on_crash>
  <vcpu>1</vcpu>
  <devices>
    <emulator>/usr/bin/qemu-kvm</emulator>
    <console type='pty'/>
    <disk type='file' device='disk'>
      <source file='/var/lib/libvirt/images/fedora-i386.img'/>
      <target dev='vda' bus='virtio'/>
    </disk>
    <disk type='block' device='cdrom'>
      <source dev='/dev/hda'/>
      <target dev='hdc' bus='ide'/>
      <readonly/>
    </disk>
    <interface type='bridge'>
      <source bridge='eth0'/>
      <mac address='54:52:00:5d:99:c0'/>
      <model type='virtio'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1' keymap='en-us'/>
    <sound model='es1370'/>
  </devices>
</domain>

[Fri, 06 Feb 2009 10:27:16 virt-manager 31523] ERROR (create:735) Unable
to complete install 'libvirt.libvirtError internal error unable to start
guest:
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 717, in
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 926,
in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 966,
in _do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 973, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: internal error unable to start guest:
'
[Fri, 06 Feb 2009 10:27:16 virt-manager 31523] DEBUG (error:76) Uncaught
Error: Unable to complete install: 'internal error unable to start
guest: ' : Unable to complete install 'libvirt.libvirtError interna
l error unable to start guest:
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 717, in
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 926,
in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 966,
in _do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 973, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: internal error unable to start guest:
'
-----------------------------------------------

-- 
  Levente                               "Si vis pacem para bellum!"