Same for me. Switched to NVIDIA drivers now, don't now if it helps yet. Aug 17 23:31:04 server kernel: [73915.677965] nouveau E[ PGRAPH][0000:01:00.0] ch 2 [0x003fb34000] subc 2 class 0x502d mthd 0x0860 data 0x000000ff Aug 17 23:31:04 server kernel: [73915.677979] nouveau E[ PFB][0000:01:00.0] trapped write at 0x00207b4300 on channel 0x0003fb34 PGRAPH/PROP/DST2D reason: PAGE_NOT_PRESENT Aug 17 23:31:04 server kernel: [73915.678012] nouveau E[ PGRAPH][0000:01:00.0] TRAP_TPDMA_2D - TP 0 - Unknown fault at address 00207b5000 Aug 17 23:31:04 server kernel: [73915.678014] nouveau E[ PGRAPH][0000:01:00.0] TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00c00004, e20: 00000037, e24: 0c030000 Aug 17 23:31:04 server kernel: [73915.678016] nouveau E[ PGRAPH][0000:01:00.0] TRAP Aug 17 23:31:04 server kernel: [73915.678018] nouveau E[ PGRAPH][0000:01:00.0] ch 2 [0x003fb34000] subc 2 class 0x502d mthd 0x0860 data 0x00000000 Aug 17 23:31:04 server kernel: [73915.678032] nouveau E[ PFB][0000:01:00.0] trapped write at 0x00207b5100 on channel 0x0003fb34 PGRAPH/PROP/DST2D reason: PAGE_NOT_PRESENT Aug 17 23:31:04 server kernel: [73915.690404] nouveau E[ PFB][0000:01:00.0] trapped write at 0x00207b5800 on channel 0x0003fc44 PGRAPH/PROP/DST2D reason: PAGE_NOT_PRESENT Aug 17 23:57:11 server kernel: [75476.425870] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - Ch 2 Get 0x002001eed0 Put 0x0020022ff8 IbGet 0x000001c8 IbPut 0x000001c9 State 0x80004861 (err: INVALID_CMD) Push 0x00702031 Aug 17 23:57:11 server kernel: [75476.438963] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - Ch 2 Get 0x0020022ff8 Put 0x0020022ff8 IbGet 0x000001c8 IbPut 0x000001cb State 0x80000000 (err: INVALID_CMD) Push 0x00400040 Aug 17 23:59:15 server kernel: [75600.159331] nouveau E[ PFIFO][0000:01:00.0] DMA_PUSHER - Ch 2 Get 0x00200228a4 Put 0x0020022f4c IbGet 0x000002bd IbPut 0x000002c0 State 0x80004861 (err: INVALID_CMD) Push 0x00400040
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1175266 Title: Sometimes picture on the screen becomes incomprehensible (like collected from random bloks of original pikture). Errors in /var/log/kern.log like "nouveau E[ PGRAPH][0000:01:00.0] ILLEGAL_MTHD" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1175266/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
