Well, it happened while entering details on this bug :) I can still access the box remotely, just as noted in other reports.
Here is a tail of dmesg: [ 8384.590661] [drm] nouveau 0000:01:00.0: PFIFO_DMA_PUSHER - Ch 1 Get 0x1f800000 Put 0x00019558 State 0xc0002054 Push 0x00000000 [ 8384.592488] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: DATA_ERROR nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592500] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/4 class 0x0099 mthd 0x02fc data 0x00000003 [ 8384.592508] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592517] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0208 data 0x00000108 [ 8384.592523] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592532] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x020c data 0x06800680 [ 8384.592538] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592547] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0210 data 0x00e4e000 [ 8384.592553] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592562] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0218 data 0x00864000 [ 8384.592568] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592577] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0230 data 0x10000000 [ 8384.592583] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592592] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0240 data 0x04000140 [ 8384.592598] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592607] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0220 data 0x33a81951 [ 8384.592613] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592622] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0228 data 0x40000000 [ 8384.592627] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592636] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0248 data 0x11000000 [ 8384.592642] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592651] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0260 data 0x18300000 [ 8384.592657] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592666] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0268 data 0x08300000 [ 8384.592672] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592681] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0344 data 0x00000001 [ 8384.592687] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: BAD_ARGUMENT PROTECTION_FAULT [ 8384.592696] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0348 data 0x00000001 [ 8384.592702] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: METHOD_CNT nstatus: INVALID_STATE BAD_ARGUMENT PROTECTION_FAULT [ 8384.592711] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0dfc data 0x00000008 [ 8384.592717] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: METHOD_CNT nstatus: INVALID_STATE BAD_ARGUMENT PROTECTION_FAULT [ 8384.592727] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0c90 data 0x44340000 [ 8384.592733] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: METHOD_CNT nstatus: INVALID_STATE BAD_ARGUMENT PROTECTION_FAULT [ 8384.592743] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0c94 data 0x42400000 [ 8384.592748] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: METHOD_CNT nstatus: INVALID_STATE BAD_ARGUMENT PROTECTION_FAULT [ 8384.592758] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0c00 data 0x00000000 [ 8384.592764] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: METHOD_CNT nstatus: INVALID_STATE BAD_ARGUMENT PROTECTION_FAULT [ 8384.592774] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0c04 data 0x3f800000 [ 8384.592780] [drm] nouveau 0000:01:00.0: PGRAPH - ERROR nsource: METHOD_CNT nstatus: INVALID_STATE BAD_ARGUMENT PROTECTION_FAULT [ 8384.592789] [drm] nouveau 0000:01:00.0: PGRAPH - ch 1/7 class 0x004a mthd 0x0c08 data 0x00000000 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775060 Title: Random GUI "freezes" in Natty (can only move the cursor) (might be a segfault) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/775060/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs