root@freshertv:/var/lib/mythtv/tv-group# mythcommflag --rebuild --chanid 4699 --starttime 20111201182900
2012-02-28 15:07:48.828475 C  mythcommflag version: master [v0.25pre-4811-gf85146f] www.mythtv.org
2012-02-28 15:07:54.075557 A  Cannot find default UPnP backend
MythTV Commercial Flagger, building seek table for:
    Winnie the Pooh and Christmas Too!
Rebuild started at Tue Feb 28 15:07:54 2012
2012-02-28 15:07:54.425815 C  MythXOpenDisplay() failed
2012-02-28 15:07:54.425844 E  VDPAU: Invalid display
2012-02-28 15:07:54.425849 E  VDPAU: Failed to create dummy device.
Rebuild completed at Tue Feb 28 15:07:58 2012