[Intel-gfx] Video freezes continue

[Chris]

On Sat, 2015-08-15 at 17:17 -0500, Chris wrote:
> I'm still continuing to experience video lockups though not quite as
> frequent as before. The most recent was 12 August. I'm running the
> kernel as shown in my sig. I've attached my Xorg.0.log. I'm able to SSH
> into my desktop from my tablet and running
> cat /sys/class/drm/card0/error shows 'no error state collected'. Running
> cat /sys/kernel/debug/dri/0/i915_swizzle_info outputs
> 
> bit6 swizzle for X-tiling = none
> bit6 swizzle for Y-tiling = none
> DDC = 0x00200010
> DDC2 = 0x00300030
> C0DRB3 = 0x0030
> C1DRB3 = 0x0010
> 
> This has been going on for a few months less than a year now. When this
> happens the video is frozen however the mouse cursor will continue to
> move and all background processes such as fetchmail, procmail, postfix
> and all cronjobs continue running. 
> 
> This is a Dell Optiplex 780 with BIOS A15 4gb of ram. Periodically this
> would show in the syslog about the same time as the freeze 
> 
> Jul 28 16:02:28 localhost kernel: [793861.820048]
> [drm:i915_hangcheck_elapsed [i915]] *ERROR* Hangcheck timer elapsed...
> render ring idle
> 
> The above was the last time the 'Hangcheck' error was noted. I'm running
> Gnome 3.12.2 and Ubuntu 14.04.3 LTS
> 
> Any advice will be appreciated.
> 
> Chris
> 
I guess this is an issue I just have to live with or should I update to
a newer kernel and see what happens? I'm a little lost here, is there
anything I can do to troubleshoot this any further? 

Chris

-- 
Chris
KeyID 0xE372A7DA98E6705C
31.11°N 97.89°W (Elev. 1092 ft)
11:35:47 up 5 days, 4:52, 1 user, load average: 0.55, 0.42, 0.47
Ubuntu 14.04.3 LTS, kernel 4.0.0-997-generic #201503310205 SMP Tue Mar
31 02:07:04 UTC 2015