Updated to nvidia dev drivers, 304.37 problem of graphics locking up presisted.
Message about video card falling off the bus in dmesg did go away.
Changed to unity-2d, problems of graphics locking up presisted.
Turned off OpenGL in desktop effects problem went away.
Note: playing OpenGL games still result in graphics locking up,
Updated to nvidia dev drivers, 304.37 problem of graphics locking up presisted.
Message about video card falling off the bus in dmesg did go away.
Changed to unity-2d, problems of graphics locking up presisted.
Turned off OpenGL in desktop effects problem went away.
Note: playing OpenGL games still result in graphics locking up,