On Tue, 2016-03-15 at 19:17 -0400, Felix Miata wrote: > Chris composed on 2016-03-15 17:43 (UTC-0500): > > > On Tue, 2016-03-15 at 16:37 -0400, Felix Miata wrote: > > >> Chris composed on 2016-03-15 14:50 (UTC-0500): > > >> > My system is a Dell Optiplex 780. > > >> Which? Tower? Desktop? SFF? USFF? > > > Sorry, it's a desktop > > >> > I've filed several bug reports both > >> > with the Intel Graphics Bugzilla and the Ubuntu Launchpad pages. > >> > Initially back when this started in 2014 every 'freeze' would result in > >> > an error of [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer > >> > elapsed... render ring idle' in syslog. It would happen every few days > >> > or so and nothing that was done would correct the problem.... > > >> Was ensuring heat is a non-issue also done? SFF & USFF models tend to run > >> rather hot, so accumulated dust, and especially tobacco tar, within, > >> especially within the power supply, can become an intermittent problem for > >> software. > > > Currently it's 87F outside. I have a window open directly behind the > > system and a fan blowing on the front of it. We're just not ready to > > turn the AC on yet. CPU0 is running around 116F and CPU1 109F. This > > whole issue of the video freezing whether it's with or without the > > Hangcheck error has been ongoing here on my system since 13 Sept 2014. > > The last time the video froze with the Hangcheck error was Jan 17 2016. > > Since then the video has frozen without the error on 1/21/16; 1/27/16; > > 2/25/16; 3/08/16; 3/11/16; and today 3/15/16 at 09:50am. I came back to > > the desktop at around 11am to find it frozen at 9:50. I moved the mouse, > > the video flickered and the clock caught up and came unfrozen. The only > > thing in my syslog for that time is: > > > 09:50:07 localhost kernel: [347769.284331] [drm:drm_mode_addfb2] [FB:60] > > 09:50:07 localhost kernel: [347769.303256] [drm:drm_mode_addfb2] [FB:62] > > 09:50:07 localhost kernel: [347769.324369] [drm:drm_mode_addfb2] [FB:63] > > Ambient temps tolerated by humans really shouldn't matter. Excess heat inside > the case is often a problem elsewhere than where temp probes lie when dust > has materially accumulated. What I was really asking is, is its inside > reasonably clean, including inside the PSU? In 2014 it would have been around > 5 or 6 years old. Also, is the PSU fan always moving some air? > > Maybe it's time to give it an overnight memtest workout. Could be there's > become an iffy bit in the video RAM area. > > I have a 780 too, and a 760, and a 745, and several 620s, but they are all > SFF, and don't often get left on more than a couple of hours at a time. Video > lockups I don't remember ever seeing on any of them. Gnome isn't installed on > any. Kubuntu on one 620 might be 14.10, but only openSUSE 13.1, 13.2, 42.1 > and Tumbleweed are on my 780. 13.2 uses kernel 3.16.7, 42.1 4.1.15, and TW > (currently) 4.4.3. Thanks Felix, I'll see if giving it a good will make any difference. -- Chris KeyID 0xE372A7DA98E6705C 31.11°N 97.89°W (Elev. 1092 ft) 19:28:00 up 7:40, 1 user, load average: 0.75, 0.52, 0.44 Ubuntu 14.04.4 LTS, kernel 3.19.0-56-generic #62~14.04.1-Ubuntu SMP Fri Mar 11 11:03:15 UTC 2016 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
