Problem still persists in F17:
Mar 4 11:54:49 fedora17 kernel: [ 1087.509277] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x01b00003 0x00000000 0x00001068 0x00200000
Mar 4 11:54:50 fedora17 kernel: [ 1089.506074] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0
Problem still persists in F17:
Mar 4 11:54:49 fedora17 kernel: [ 1087.509277] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x01b00003 0x00000000 0x00001068 0x00200000
Mar 4 11:54:50 fedora17 kernel: [ 1089.506074] [drm] nouveau 0000:01:00.0: vm flush timeout: engine 0