|Summary:||[BSW] GPU hang for spec.shaders.point-vertex-id gl_instanceid divisor|
|Product:||Mesa||Reporter:||Mark Janes <mark.a.janes>|
|Component:||Drivers/DRI/i965||Assignee:||Ben Widawsky <ben>|
|Status:||CLOSED FIXED||QA Contact:||Intel 3D Bugs Mailing List <intel-3d-bugs>|
|i915 platform:||i915 features:|
Description Mark Janes 2015-08-11 18:25:40 UTC
Mesa master (3c04a90) encounters GPU hang when running this test. 10.6 does not encounter this hang. [drm] stuck on render ring [drm] GPU HANG: ecode 8:0:0x85dfffff, in point-vertex-id , reason: Ring hung, action: reset [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [drm] GPU crash dump saved to /sys/class/drm/card0/error [drm] stuck on render ring [drm] GPU HANG: ecode 8:0:0x85dfffff, reason: Ring hung, action: reset
Comment 1 Ben Widawsky 2015-08-17 23:49:11 UTC
For future laziness: ./bin/point-vertex-id gl_InstanceID divisor -auto -fbo
Comment 2 Ben Widawsky 2015-08-18 19:03:40 UTC
This if fixed by Neil's patch series (need all 3): http://patchwork.freedesktop.org/patch/54323/ I will try to get it merged today.
Comment 3 Ben Widawsky 2015-08-19 01:47:54 UTC
I have pushed 1/3 of Neil's patches which prevents hangs. Closing this bug since the hang is gone now, and we should track https://bugs.freedesktop.org/show_bug.cgi?id=84677 instead.
Comment 4 Mark Janes 2015-08-20 16:39:29 UTC
I went to verify this bug, and found that gpu hang still occurs. Previous test results were inaccurate. Apparently, running test with patches 2 and 3 of Neil's series may affect subsequent test runs.
Comment 5 Ben Widawsky 2015-08-20 16:53:47 UTC
(In reply to Mark Janes from comment #4) > I went to verify this bug, and found that gpu hang still occurs. Previous > test results were inaccurate. Apparently, running test with patches 2 and 3 > of Neil's series may affect subsequent test runs. Are the other subtests hanging too? I have a patch (based on Neil's, but different) which makes divisor pass on BDW, but the other tests are failing (also on BDW).
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