Pkg xen devel - Aug 2008 - problems with virt-manager and xen 3.3.0

Hello

i'm setting up a debian system, with no root acount, i manage it with the
sudo command, and installed the new xen 3.3.0 on it
than i installed fluxbox and vnc4server on this machine, to get remote access to
the debian/xen system i use ssh and xvnc4viewer, ssh for the console and
xvnc4viewer for the windowmanager, until than everything works fine.
than i installed virt-manager from the backports and it does'nt work.
in the /etc/xen/xend-config.sxp file i set (xend-unix-server yes)

xm list brings the following:

Traceback (most recent call last):
  File "/usr/sbin/xm", line 8, in ?
    from xen.xm import main
  File "//usr/lib/python/xen/xm/main.py", line 52, in ?
    from xen.xm import console
  File "//usr/lib/python/xen/xm/console.py", line 19, in ?
    import xen.lowlevel.xs
ImportError: /usr/lib/python/xen/lowlevel/xs.so: undefined symbol: xs_set_target

virsh list comes up with this:

libvir: Xen Daemon error : internal error failed to connect to xend
libvir: Xen Daemon error : internal error failed to connect to xend
error: failed to connect to the hypervisor

when i start virt-manager from the console, local and remotly, xen is
disconnected to the host.
if i try to connect it, it shows this message

Unable to open connection to hypervisor URI 'xen:///':
libvirt.libvirtError virConnectOpenAuth() failed
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/connection.py", line 427,
in _open_thread
    None], flags)
  File "/usr/lib/python2.4/site-packages/libvirt.py", line 98, in
openAuth
    if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: virConnectOpenAuth() failed

here is what virt-manager.log gets in it

[Fr, 29 Aug 2008 10:54:42 virt-manager 4362] DEBUG (__init__:1072) Background
open thread complete, scheduling notify
[Fr, 29 Aug 2008 10:54:42 virt-manager 4362] DEBUG (__init__:1072) Notifying
open result
[Fr, 29 Aug 2008 10:56:12 virt-manager 4459] INFO (__init__:1072) Application
startup
[Fr, 29 Aug 2008 10:56:12 virt-manager 4460] WARNING (__init__:1072) No support
for gnome-keyring
[Fr, 29 Aug 2008 10:56:12 virt-manager 4460] DEBUG (__init__:1072) About to
connect to uris ['xen:///']
[Fr, 29 Aug 2008 10:56:12 virt-manager 4460] DEBUG (__init__:1072) Got physical
device /org/freedesktop/Hal/devices/net_00_30_05_6d_7a_af
[Fr, 29 Aug 2008 10:56:12 virt-manager 4460] DEBUG (__init__:1072) Adding net
device eth0 00:30:05:6d:7a:af /sys/class/net/eth0 bridge None
[Fr, 29 Aug 2008 10:56:12 virt-manager 4460] DEBUG (__init__:1072) Checking for
VLANs on /sys/class/net/eth0
[Fr, 29 Aug 2008 11:08:50 virt-manager 4522] INFO (__init__:1072) Application
startup
[Fr, 29 Aug 2008 11:08:50 virt-manager 4523] WARNING (__init__:1072) No support
for gnome-keyring
[Fr, 29 Aug 2008 11:08:51 virt-manager 4523] DEBUG (__init__:1072) About to
connect to uris ['xen:///']
[Fr, 29 Aug 2008 11:08:51 virt-manager 4523] DEBUG (__init__:1072) Got physical
device /org/freedesktop/Hal/devices/net_00_30_05_6d_7a_af
[Fr, 29 Aug 2008 11:08:51 virt-manager 4523] DEBUG (__init__:1072) Adding net
device eth0 00:30:05:6d:7a:af /sys/class/net/eth0 bridge None
[Fr, 29 Aug 2008 11:08:51 virt-manager 4523] DEBUG (__init__:1072) Checking for
VLANs on /sys/class/net/eth0
[Fr, 29 Aug 2008 11:08:55 virt-manager 4523] DEBUG (__init__:1072) Scheduling
background open thread for xen:///
[Fr, 29 Aug 2008 11:08:55 virt-manager 4523] DEBUG (__init__:1072) Background
thread is running
[Fr, 29 Aug 2008 11:08:55 virt-manager 4523] ERROR (__init__:1072) Unable to
open connection to hypervisor URI 'xen:///':
libvirt.libvirtError virConnectOpenAuth() failed
Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/connection.py", line 427,
in _open_thread
    None], flags)
  File "/usr/lib/python2.4/site-packages/libvirt.py", line 98, in
openAuth
    if ret is None:raise libvirtError('virConnectOpenAuth() failed')
libvirtError: virConnectOpenAuth() failed

i hope you can help me, every google link is clicked by me and i can't get
around with it

my regards

erik rudisch
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