You mentioned that you were using Ubuntu 9.10 Karmic Koala. Official
support for Ubuntu 9.10 ended some time ago. If this issue is still
occurring on Ubuntu 14.04 Trusty Tahr please use ubuntu-bug to file a
new bug report so that we can get a fresh set of log files and system
info.
** Tags
Your NVIDIA GeForce 7600 GS is an NV40 series card and has a VPE2 video
decoding engine. According to the VPE2 details in the Nouveau Wiki at
http://nouveau.freedesktop.org/wiki/VideoAcceleration/
* MPEG4 and H.264 decoding is not possible via VDPAU.
* MPEG1/2 decoding is possible via VDPAU but
