$ dmesg | grep drm [ 1.132699] [drm] Initialized drm 1.1.0 20060810 [ 1.133710] [drm] nouveau 0000:02:00.0: Detected an NV50 generation card (0x0a0180b1) [ 1.134142] [drm] nouveau 0000:02:00.0: Attempting to load BIOS image from PRAMIN [ 1.198487] [drm] nouveau 0000:02:00.0: ... appears to be valid [ 1.198490] [drm] nouveau 0000:02:00.0: BIT BIOS found [ 1.198491] [drm] nouveau 0000:02:00.0: Bios version 62.00.45.00 [ 1.198494] [drm] nouveau 0000:02:00.0: TMDS table revision 2.0 not currently supported [ 1.198495] [drm] nouveau 0000:02:00.0: Found Display Configuration Block version 4.0 [ 1.198497] [drm] nouveau 0000:02:00.0: Raw DCB entry 0: 04000320 00000028 [ 1.198498] [drm] nouveau 0000:02:00.0: Raw DCB entry 1: 01000322 00020030 [ 1.198500] [drm] nouveau 0000:02:00.0: Raw DCB entry 2: 02011310 00000028 [ 1.198501] [drm] nouveau 0000:02:00.0: Raw DCB entry 3: 02011312 00020030 [ 1.198502] [drm] nouveau 0000:02:00.0: Raw DCB entry 4: 010223f1 00c1c023 [ 1.198510] [drm] nouveau 0000:02:00.0: Parsing VBIOS init table 0 at offset 0xD293 [ 1.226424] [drm] nouveau 0000:02:00.0: INIT_87 stubbed! [ 1.226426] [drm] nouveau 0000:02:00.0: INIT_87 stubbed! [ 1.226427] [drm] nouveau 0000:02:00.0: INIT_87 stubbed! [ 1.226428] [drm] nouveau 0000:02:00.0: INIT_87 stubbed! [ 1.228472] [drm] nouveau 0000:02:00.0: Parsing VBIOS init table 1 at offset 0xD6BE [ 1.230511] [drm] nouveau 0000:02:00.0: Parsing VBIOS init table 2 at offset 0xEB22 [ 1.230517] [drm] nouveau 0000:02:00.0: Parsing VBIOS init table 3 at offset 0xEBFF [ 1.231524] [drm] nouveau 0000:02:00.0: Parsing VBIOS init table 4 at offset 0xECD1 [ 1.231525] [drm] nouveau 0000:02:00.0: Parsing VBIOS init table at offset 0xED36 [ 3.227953] [drm] nouveau 0000:02:00.0: 0xED36: Condition still not met after 0ms, skiping following opcodes [ 3.227958] [drm] nouveau 0000:02:00.0: 0xC21A: parsing output script 0 [ 3.227960] [drm] nouveau 0000:02:00.0: 0xC21A: parsing output script 0 [ 3.227962] [drm] nouveau 0000:02:00.0: 0xA806: parsing output script 0 [ 3.414783] [drm] nouveau 0000:02:00.0: Allocating FIFO number 1 [ 3.437457] [drm] nouveau 0000:02:00.0: nouveau_channel_alloc: initialised FIFO 1 [ 3.438459] [drm] nouveau 0000:02:00.0: Detected a DAC output [ 3.438461] [drm] nouveau 0000:02:00.0: Detected a TMDS output [ 3.438462] [drm] nouveau 0000:02:00.0: Detected a DAC output [ 3.438463] [drm] nouveau 0000:02:00.0: Detected a TMDS output [ 3.438464] [drm] nouveau 0000:02:00.0: DCB encoder 1 unknown [ 3.438466] [drm] nouveau 0000:02:00.0: Detected a DVI-I connector [ 3.438511] [drm] nouveau 0000:02:00.0: Detected a DVI-I connector [ 3.615995] [drm] nouveau 0000:02:00.0: allocated 1680x1050 fb: 0x40250000, bo ffff8801bd035e00 [ 3.617173] [drm] DAC-7: set mode 1680x1050 22 [ 3.617814] [drm] nouveau 0000:02:00.0: 0x1255: parsing clock script 0 [ 3.821099] [drm] Initialized nouveau 0.0.15 20090420 for 0000:02:00.0 on minor 0 [ 165.299504] [drm] nouveau 0000:02:00.0: Allocating FIFO number 2 [ 165.322388] [drm] nouveau 0000:02:00.0: nouveau_channel_alloc: initialised FIFO 2 [ 173.934521] [drm] nouveau 0000:02:00.0: PGRAPH_ERROR - nSource: PROTECTION_ERROR DMA_R_PROTECTION, nStatus: [ 173.934527] [drm] nouveau 0000:02:00.0: PGRAPH_ERROR - Ch 2/4 Class 0x8397 Mthd 0x15e0 Data 0x00000000:0x00000000 [ 173.934530] [drm] nouveau 0000:02:00.0: magic set 1: [ 173.934532] [drm] nouveau 0000:02:00.0: 0x00408900: 0x01800040 [ 173.934535] [drm] nouveau 0000:02:00.0: 0x00408904: 0x00160000 [ 173.934537] [drm] nouveau 0000:02:00.0: 0x00408908: 0x01800000 [ 173.934540] [drm] nouveau 0000:02:00.0: 0x0040890c: 0x00000000 [ 173.934542] [drm] nouveau 0000:02:00.0: 0x00408910: 0x00000000 [ 173.934545] [drm] nouveau 0000:02:00.0: 0x00408e08: 0xffffdff7 [ 173.934548] [drm] nouveau 0000:02:00.0: 0x00408e0c: 0x4000b9dd [ 173.934550] [drm] nouveau 0000:02:00.0: 0x00408e10: 0xffff3dbe [ 173.934553] [drm] nouveau 0000:02:00.0: 0x00408e14: 0x00000000 [ 173.934555] [drm] nouveau 0000:02:00.0: 0x00408e18: 0x00000000 [ 173.934558] [drm] nouveau 0000:02:00.0: 0x00408e1c: 0x00000000 [ 173.934560] [drm] nouveau 0000:02:00.0: 0x00408e20: 0x00000000 [ 173.934563] [drm] nouveau 0000:02:00.0: 0x00408e24: 0x00000000 [ 173.934565] [drm] nouveau 0000:02:00.0: magic set 2: [ 173.934567] [drm] nouveau 0000:02:00.0: 0x00409900: 0x01800040 [ 173.934570] [drm] nouveau 0000:02:00.0: 0x00409904: 0x00160000 [ 173.934572] [drm] nouveau 0000:02:00.0: 0x00409908: 0x01800000 [ 173.934574] [drm] nouveau 0000:02:00.0: 0x0040990c: 0x00000000 [ 173.934577] [drm] nouveau 0000:02:00.0: 0x00409910: 0x00000000 [ 173.934580] [drm] nouveau 0000:02:00.0: 0x00409e08: 0xf73e07ef [ 173.934582] [drm] nouveau 0000:02:00.0: 0x00409e0c: 0xc000d775 [ 173.934585] [drm] nouveau 0000:02:00.0: 0x00409e10: 0x576a179c [ 173.934587] [drm] nouveau 0000:02:00.0: 0x00409e14: 0x00000000 [ 173.934590] [drm] nouveau 0000:02:00.0: 0x00409e18: 0x00000000 [ 173.934592] [drm] nouveau 0000:02:00.0: 0x00409e1c: 0x00000000 [ 173.934595] [drm] nouveau 0000:02:00.0: 0x00409e20: 0x00000000 [ 173.934597] [drm] nouveau 0000:02:00.0: 0x00409e24: 0x00000000 [ 173.934934] [drm] nouveau 0000:02:00.0: PGRAPH_ERROR - nSource: PROTECTION_ERROR DMA_R_PROTECTION, nStatus: [ 173.934939] [drm] nouveau 0000:02:00.0: PGRAPH_ERROR - Ch 2/4 Class 0x8397 Mthd 0x15e0 Data 0x00000000:0x00000000 [ 173.934941] [drm] nouveau 0000:02:00.0: magic set 1: [ 173.934943] [drm] nouveau 0000:02:00.0: 0x00408900: 0x01800040 [ 173.934946] [drm] nouveau 0000:02:00.0: 0x00408904: 0x00160000 [ 173.934948] [drm] nouveau 0000:02:00.0: 0x00408908: 0x01800000 [ 173.934951] [drm] nouveau 0000:02:00.0: 0x0040890c: 0x00000000 [ 173.934953] [drm] nouveau 0000:02:00.0: 0x00408910: 0x00000000 [ 173.934956] [drm] nouveau 0000:02:00.0: 0x00408e08: 0xffffdff7 [ 173.934959] [drm] nouveau 0000:02:00.0: 0x00408e0c: 0x4000b9dd [ 173.934961] [drm] nouveau 0000:02:00.0: 0x00408e10: 0xffff3dbe [ 173.934963] [drm] nouveau 0000:02:00.0: 0x00408e14: 0x00000000 [ 173.934966] [drm] nouveau 0000:02:00.0: 0x00408e18: 0x00000000 [ 173.934968] [drm] nouveau 0000:02:00.0: 0x00408e1c: 0x00000000 [ 173.934971] [drm] nouveau 0000:02:00.0: 0x00408e20: 0x00000000 [ 173.934973] [drm] nouveau 0000:02:00.0: 0x00408e24: 0x00000000 [ 173.934975] [drm] nouveau 0000:02:00.0: magic set 2: [ 173.934978] [drm] nouveau 0000:02:00.0: 0x00409900: 0x01800040 [ 173.934980] [drm] nouveau 0000:02:00.0: 0x00409904: 0x00160000 [ 173.934983] [drm] nouveau 0000:02:00.0: 0x00409908: 0x01800000 [ 173.934985] [drm] nouveau 0000:02:00.0: 0x0040990c: 0x00000000 [ 173.934987] [drm] nouveau 0000:02:00.0: 0x00409910: 0x00000000 [ 173.934990] [drm] nouveau 0000:02:00.0: 0x00409e08: 0xf73e07ef [ 173.934993] [drm] nouveau 0000:02:00.0: 0x00409e0c: 0xc000d775 [ 173.934995] [drm] nouveau 0000:02:00.0: 0x00409e10: 0x576a179c [ 173.934998] [drm] nouveau 0000:02:00.0: 0x00409e14: 0x00000000 [ 173.935000] [drm] nouveau 0000:02:00.0: 0x00409e18: 0x00000000 [ 173.935002] [drm] nouveau 0000:02:00.0: 0x00409e1c: 0x00000000 [ 173.935005] [drm] nouveau 0000:02:00.0: 0x00409e20: 0x00000000 [ 173.935007] [drm] nouveau 0000:02:00.0: 0x00409e24: 0x00000000 [ 174.101431] [drm] nouveau 0000:02:00.0: PGRAPH_ERROR - nSource: PROTECTION_ERROR DMA_R_PROTECTION, nStatus: [ 174.101436] [drm] nouveau 0000:02:00.0: PGRAPH_ERROR - Ch 2/4 Class 0x8397 Mthd 0x15e0 Data 0x00000000:0x00000000 [ 174.101439] [drm] nouveau 0000:02:00.0: magic set 1: [ 174.101441] [drm] nouveau 0000:02:00.0: 0x00408900: 0x01800040 [ 174.101444] [drm] nouveau 0000:02:00.0: 0x00408904: 0x00160000 [ 174.101446] [drm] nouveau 0000:02:00.0: 0x00408908: 0x01800000 [ 174.101449] [drm] nouveau 0000:02:00.0: 0x0040890c: 0x00000000 [ 174.101451] [drm] nouveau 0000:02:00.0: 0x00408910: 0x00000000 [ 174.101454] [drm] nouveau 0000:02:00.0: 0x00408e08: 0xffffdff7 [ 174.101457] [drm] nouveau 0000:02:00.0: 0x00408e0c: 0x4000b9dd [ 174.101459] [drm] nouveau 0000:02:00.0: 0x00408e10: 0xffff3dbe [ 174.101461] [drm] nouveau 0000:02:00.0: 0x00408e14: 0x00000000 [ 174.101464] [drm] nouveau 0000:02:00.0: 0x00408e18: 0x00000000 [ 174.101466] [drm] nouveau 0000:02:00.0: 0x00408e1c: 0x00000000 [ 174.101469] [drm] nouveau 0000:02:00.0: 0x00408e20: 0x00000000 [ 174.101471] [drm] nouveau 0000:02:00.0: 0x00408e24: 0x00000000 [ 174.101473] [drm] nouveau 0000:02:00.0: magic set 2: [ 174.101476] [drm] nouveau 0000:02:00.0: 0x00409900: 0x01800040 [ 174.101478] [drm] nouveau 0000:02:00.0: 0x00409904: 0x00160000 [ 174.101480] [drm] nouveau 0000:02:00.0: 0x00409908: 0x01800000 [ 174.101483] [drm] nouveau 0000:02:00.0: 0x0040990c: 0x00000000 [ 174.101485] [drm] nouveau 0000:02:00.0: 0x00409910: 0x00000000 [ 174.101488] [drm] nouveau 0000:02:00.0: 0x00409e08: 0xf73e07ef [ 174.101490] [drm] nouveau 0000:02:00.0: 0x00409e0c: 0xc000d775 [ 174.101493] [drm] nouveau 0000:02:00.0: 0x00409e10: 0x576a179c [ 174.101495] [drm] nouveau 0000:02:00.0: 0x00409e14: 0x00000000 [ 174.101497] [drm] nouveau 0000:02:00.0: 0x00409e18: 0x00000000 [ 174.101500] [drm] nouveau 0000:02:00.0: 0x00409e1c: 0x00000000 [ 174.101502] [drm] nouveau 0000:02:00.0: 0x00409e20: 0x00000000 [ 174.101505] [drm] nouveau 0000:02:00.0: 0x00409e24: 0x00000000 [ 187.955819] [drm] nouveau 0000:02:00.0: validate: -85 [ 187.956996] [drm] nouveau 0000:02:00.0: nouveau_channel_free: freeing fifo 2