Same problem. syslog : Jun 20 13:54:04 puget kernel: [18680.715909] nouveau E[ PFIFO][0000:02:00.0] DMA_PUSHER - Ch 2 Get 0x00200212ec Put 0x0020022eb0 IbGet 0x000001b2 IbPut 0x000001b3 State 0x4000000 4 (err: INVALID_MTHD) Push 0x00406040 Jun 20 13:55:00 puget kernel: [18736.146479] nouveau E[ PGRAPH][0000:02:00.0] ILLEGAL_MTHD Jun 20 13:55:00 puget kernel: [18736.146488] nouveau E[ PGRAPH][0000:02:00.0] ch 2 [0x001fb24000] subc 0 class 0x0030 mthd 0x0200 data 0x00000000 Jun 20 13:55:00 puget kernel: [18736.146541] nouveau E[ PGRAPH][0000:02:00.0] ILLEGAL_MTHD Jun 20 13:55:00 puget kernel: [18736.146546] nouveau E[ PGRAPH][0000:02:00.0] ch 2 [0x001fb24000] subc 0 class 0x0030 mthd 0x0204 data 0x00000000 Jun 20 13:55:00 puget kernel: [18736.146593] nouveau E[ PGRAPH][0000:02:00.0] ILLEGAL_MTHD Jun 20 13:55:00 puget kernel: [18736.146597] nouveau E[ PGRAPH][0000:02:00.0] ch 2 [0x001fb24000] subc 0 class 0x0030 mthd 0x0208 data 0x000000c0 Jun 20 13:55:00 puget kernel: [18736.146658] nouveau E[ PGRAPH][0000:02:00.0] ILLEGAL_MTHD Jun 20 13:55:00 puget kernel: [18736.146662] nouveau E[ PGRAPH][0000:02:00.0] ch 2 [0x001fb24000] subc 0 class 0x0030 mthd 0x020c data 0x00000001 Jun 20 13:55:00 puget kernel: [18736.146689] nouveau E[ PGRAPH][0000:02:00.0] ILLEGAL_MTHD
nothing in kern.log ; nothing in apport.log ** Attachment added: "sudo modinfo nouveau" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1175266/+attachment/3708001/+files/modinfo.txt -- 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
