On Tue, Oct 13, 2015 at 02:51:25PM -0500, Chris wrote: > On Tue, 2015-10-13 at 17:30 +0200, Daniel Vetter wrote: > > On Tue, Oct 13, 2015 at 08:56:52AM -0500, Chris wrote: > > > This is an issue that has been ongoing for over 1 1/2 years now. I have > > > tried kernel after kernel and whether it's a Ubuntu kernel such as the > > > one in my sig or a kernel from here - > > > http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/ the video > > > will intermittently freeze. Running XScreensaver causes it to freeze > > > when switching between the different screen savers showing a black > > > screen and the mouse cursor. The cursor can be moved and will switch > > > between the arrow and the hand tool if hovering over a clickable area on > > > the desktop even though it can't be seen. Giving an error output in my > > > syslog of > > > > > > kernel: [578631.820045] [drm:i915_hangcheck_elapsed [i915]] *ERROR* > > > Hangcheck timer elapsed... render ring idle > > > > Known problem and we never managed to fix it. The first time it happens a > > workaround should kick in, which should prevent any future freezes (until > > you reboot at least). > > > > If freezes still happen after that there's another bug on top. > > -Daniel > > > Thanks for the reply Daniel, and there entails the problem. Once the > video freezes you have no idea if the 'workaround' kicked in or not. I > can SSH in via my tablet since all the system is still active. That's > the only way I can effectively capture any log files and reboot. The > 'Hangcheck...' error only seems to appear if I start XScreensaver > running at other times the video will freeze with no errors noted at > all. In that case it seems unrelated to the error in dmesg. No idea what's happening on your system - hangcheck is rather reliable at figuring out there's a stuck gpu somewhere. If it doesn't fire the gpu should be all fine and the stall happens somewhere else. -Daniel > > > > > > > I was able to reproduce this yesterday by starting XScreensaver at > > > 9:43am and at 13:44pm the video froze giving the above error. At other > > > times when XScreensaver is not running the video will still randomly > > > freeze however there is no specific time frame for this to happen. I've > > > seen it go 2 days then freeze and have also seen it go 16 days then > > > freeze. As I've said previously all background operations continue to > > > run as just the video is frozen. > > > > > > I have had the random freeze happen when running this kernelkernel > > > 4.0.0-997-generic #201503310205 SMP Tue Mar > > > 31 02:07:04 UTC 2015 which Chris Wilson from this list had me run kernel > > > kernel 4.0.0-997-generic #201503310205 SMP Tue Mar > > > 31 02:07:04 UTC 2015 however when I attempted to file a bug report at > > > Ubuntu Launchpad it was not accepted so the Ubuntu kernel folks had me > > > switch to kernel 4.2.3-040203-generic #201510030832 SMP Sat Oct 3 > > > 12:34:31 UTC 2015 which although is an upstream kernel is what they > > > wanted me to run. The bug report that I've filed on Launchpad is > > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1497627 > > > > > > I've attempted to boot into the following Ubuntu upstream kernels: > > > > > > v4.3-rc5-unstable - Boot process would begin but would not complete > > > v4.3-rc4-unstable - same as above > > > v4.3-rc3-unstable - same as above > > > v4.3-rc2-unstable - Same as above > > > v4.3-rc1-unstable - Same as above > > > > > > I also attempted last night to boot into > > > > > > v4.3-rc5-unstable from > > > http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D which gave the > > > same results. The boot process would begin but then go to just a black > > > screen without completing. > > > > > > I have either filed or commented on the following bugs also: > > > > > > https://bugs.freedesktop.org/show_bug.cgi?id=75394 > > > https://bugs.freedesktop.org/show_bug.cgi?id=89290 > > > https://bugs.freedesktop.org/show_bug.cgi?id=91495 > > > > > > System info is: > > > > > > Dell Optiplex 780 > > > Bios A15 > > > Ubuntu 14.04.3 LTS > > > Gnome 3.12.2 > > > > > > Am I still the only one who is experiencing this issue? > > > -- > > > Chris > > > KeyID 0xE372A7DA98E6705C > > > 31.11°N 97.89°W (Elev. 1092 ft) > > > 07:57:25 up 11:34, 1 user, load average: 0.37, 0.41, 0.33 > > > Ubuntu 14.04.3 LTS, kernel 4.2.3-040203-generic #201510030832 SMP Sat > > > Oct 3 12:34:31 UTC 2015 > > > > > > _______________________________________________ > > > Intel-gfx mailing list > > > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > > > http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > > > -- > Chris > KeyID 0xE372A7DA98E6705C > 31.11°N 97.89°W (Elev. 1092 ft) > 14:45:43 up 18:22, 1 user, load average: 0.49, 0.24, 0.17 > Ubuntu 14.04.3 LTS, kernel 4.2.3-040203-generic #201510030832 SMP Sat > Oct 3 12:34:31 UTC 2015 > -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
