As a test on 9 March I booted to 3.13.0-031300-generic #201401192235 SMP Mon Jan 20 03:36:48 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux to see if this kernel had escaped whatever seems to be causing the 'hangcheck' problem. Every day or so either due to a kernel update or due to the fact that I was testing issues with another bug I was having to reboot until yesterday. At the time X-Screensaver was running, I moved the mouse to get out of it and I went to a black screen with just the mouse cursor. Could not CTRL-ALT-F* to a term login had to use the power button. This happened at 11:50 and I booted back to 3.13.0-031300-generic #201401192235 SMP Mon Jan 20 03:36:48 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux. Today at 3pm I went back to the computer and again all I saw was the black screen with the mouse cursor that could be moved and again CTRL>ALT>F* did nothing and I had to reboot using the power button. This time however my syslog showed
Mar 17 13:57:59 localhost kernel: [93991.808012] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle I'm still running the 3.13.0 kernel however have not enabled X-Screensaver just as a test. Is there anything else I can check or do? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1402331 Title: System will periodically lockup with [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1402331/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
