Even with one monitor, this continues to happen to me every couple days at work. This morning, I wasn't even watching video, just use my web browser, and I had it black out. Here is a snippet from the kernel log that I think is around the time of the crash.
Jan 17 11:13:37 conrad kernel: [90303.503378] NVRM: GPU at 0000:01:00.0 has fallen off the bus. Jan 17 11:13:37 conrad kernel: [90303.682684] hda-intel: spurious response 0x0:0x0, last cmd=0x470e00 Jan 17 11:13:37 conrad kernel: [90303.682688] hda-intel: spurious response 0x9000094:0x0, last cmd=0x470e00 Jan 17 11:13:37 conrad kernel: [90303.682691] hda-intel: spurious response 0x0:0x0, last cmd=0x470e00 Jan 17 11:13:37 conrad kernel: [90303.682693] hda-intel: spurious response 0x0:0x0, last cmd=0x470e00 Jan 17 11:13:37 conrad kernel: [90303.682695] hda-intel: spurious response 0x0:0x0, last cmd=0x470e00 Jan 17 11:13:37 conrad kernel: [90303.682697] hda-intel: spurious response 0x0:0x1, last cmd=0x10420000 Jan 17 11:13:37 conrad kernel: [90303.682700] hda-intel: spurious response 0x0:0x1, last cmd=0x10420000 Jan 17 11:13:37 conrad kernel: [90303.682702] hda-intel: spurious response 0x9000094:0x1, last cmd=0x10420000 Jan 17 11:13:37 conrad kernel: [90303.682704] hda-intel: spurious response 0x0:0x1, last cmd=0x10420000 Jan 17 11:13:37 conrad kernel: [90303.682707] hda-intel: spurious response 0x0:0x1, last cmd=0x10420000 Jan 17 11:13:37 conrad kernel: [90303.682709] hda-intel: spurious response 0x0:0x1, last cmd=0x10420000 Jan 17 11:13:37 conrad kernel: [90303.682711] hda-intel: spurious response 0x0:0x2, last cmd=0x20420000 Jan 17 11:13:37 conrad kernel: [90303.682713] hda-intel: spurious response 0x0:0x2, last cmd=0x20420000 Jan 17 11:13:37 conrad kernel: [90Jan 17 11:14:23 conrad kernel: imklog 5.8.1, log source = /proc/kmsg started. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/882710 Title: Dual monitors black out and session freezes, might be linked to switching workspaces To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/882710/+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
