The X server is also sometimes reseting itself (and thus closing the current X session) or even freezing the system. syslog entries at the relevant time:
Feb 18 23:07:08 obiwan kernel: [ 2582.965683] NVRM: Xid (0001:00): 6, PE0001 Feb 18 23:07:08 obiwan kernel: [ 2582.985837] NVRM: Xid (0001:00): 6, PE0001 Feb 18 23:07:08 obiwan kernel: [ 2583.005110] NVRM: Xid (0001:00): 13, 0001 00000000 00005097 0000020c b357e460 0000000c Feb 18 23:08:12 obiwan kernel: [ 2646.812524] NVRM: Xid (0001:00): 6, PE0001 Feb 18 23:08:12 obiwan kernel: [ 2646.835663] NVRM: Xid (0001:00): 13, 0001 00000000 00005097 000015e4 ffe9e8e8 00000005 Feb 18 23:09:53 obiwan kernel: [ 2747.659517] NVRM: Xid (0001:00): 6, PE0001 Feb 18 23:09:53 obiwan kernel: [ 2747.680985] NVRM: Xid (0001:00): 6, PE0001 Feb 18 23:10:20 obiwan kernel: [ 2774.711218] dell-wmi: Received unknown WMI event (0x11) Feb 18 23:10:21 obiwan kdm[1256]: X server for display :0 terminated unexpectedly -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/717873 Title: NVIDIA X driver causes flickering -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
