Xen devel - Mar 2011 - "ImportError: No module named ext" when launching a Xen v4 Guest.

Hello,

I''m trying to get a Xen v4 Guest running.

When I start it I get a "ImportError: No module named ext" error and a
note to report the problem to this list.

xm create -x guest.cfg
Using config file "./guest.cfg".
Unexpected error: <type ''exceptions.ImportError''>

Please report to xen-devel@lists.xensource.com
Traceback (most recent call last):
  File "/usr/sbin/xm", line 7, in <module>
    main.main(sys.argv)
  File "/usr/lib64/python2.7/site-packages/xen/xm/main.py", line 3988,
  in main
    _, rc = _run_cmd(cmd, cmd_name, args)
  File "/usr/lib64/python2.7/site-packages/xen/xm/main.py", line 4012,
  in _run_cmd
    return True, cmd(args)
  File "<string>", line 1, in <lambda>
  File "/usr/lib64/python2.7/site-packages/xen/xm/main.py", line 1589,
  in xm_importcommand
    cmd.main([command] + args)
  File "/usr/lib64/python2.7/site-packages/xen/xm/create.py", line
1553,
  in main
    from xml.dom.ext import PrettyPrint as XMLPrettyPrint
ImportError: No module named ext

On the Host I installed

xen-4.0.2_02-4.7.1.x86_64
xen-libs-4.0.2_02-4.7.1.x86_64
xen-tools-4.0.2_02-4.7.1.x86_64

The config file I''m using is

bootloader = ''/usr/lib/xen/boot/domUloader.py''
bootargs = ''--entry=xvda1:vmlinuz-xen,/boot/initrd-xen''
builder = ''linux''
disk = [''phy:/dev/VG0/Guest,xvda,w'']
extra = ''textmode=1 xencons=xvc0''
maxmem = 1024
memory = 1024
name = ''guest''
on_crash = ''destroy''
on_reboot = ''restart''
on_shutdown = ''destroy''
vif = ['''']
vfb = [''type=vnc'']

I don''t know much about this yet but I can sure try to provide any info
you might need.

Thanks a bunch.

Randy

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On Fri, 18 Mar 2011 09:26 -0700, "Randall K"
<randallk@operamail.com>
wrote:
> ImportError: No module named ext
I found a report,
http://www.mail-archive.com/opensuse-commit@opensuse.org/msg00474.html,
about another package that says in it "+- fixed a crash because
xml.dom.ext is not available on 11.4".

If it''s really missing and Xen needs it I don''t know what to
do about
that.

Randy

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