[Bug 104634] [HSW/BDW/BXT] Actec Ruins Vulkan version GPU hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104634

            Bug ID: 104634
           Summary: [HSW/BDW/BXT] Actec Ruins Vulkan version GPU hangs
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: eero.t.tamminen at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Aztec Ruins test *Vulkan* version in the proprietary GfxBench v5.0-GOLD2
benchmark suite GPU hangs frequently on BXT J3455 (12 EU version) and
occasionally on HSW & BDW.

Setup:
- Mesa, drm-tip kernel & X server from git
- Ubuntu 16.04

(Hangs happen also with at least few months older version of Mesa, kernel and X
server, but Mesa has had earlier other issues with this use-case, so much older
data isn't very useful.)

Use-case example:
bin/testfw_app --gfx vulkan --gl_api vulkan --width 1920 --height 1080
--fullscreen 1 --test_id vulkan_5_normal

Hang seems to happen on start of the benchmark run.  If that's passed without
hang, rest of test didn't seem to cause hangs.

This test works fine on BXT J4205 (18 EU version).  GL version of the test
works fine on all of these devices.  Both GL & Vulkan version use DXT5
textures.

This doesn't seem to be a regression, but it seems to have became somewhat more
frequent on that BXT device somewhere early December.

(Filed this to Bugzilla on request from Jason.  As it's a not a public
test-case, binary, GPU error states & other info is in the internal ticket
#347.)

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