[Bug 90008] [SKL]Piglit sporadically causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90008

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #24 from lu hua <huax.lu at intel.com> ---
Test on the latest mesa master branch, It still exists.
run: bin/tex-miplevel-selection *GradARB Cube -auto -fbo

dmesg:
[13484.007161] [drm:i915_gem_open]
[13484.033555] [drm:i915_gem_context_create_ioctl] HW context 1 created
[13489.597268] [drm] stuck on render ring
[13489.597800] [drm] GPU HANG: ecode 9:0:0x85dffffb, in tex-miplevel-se [7157],
reason: Ring hung, action: reset
[13489.597827] [drm:i915_reset_and_wakeup] resetting chip
[13489.600043] drm/i915: Resetting chip after gpu hang
[13489.600076] [drm:gen8_init_common_ring] Execlists enabled for render ring
[13489.600079] [drm:gen8_init_common_ring] Execlists enabled for bsd ring
[13489.600081] [drm:gen8_init_common_ring] Execlists enabled for blitter ring
[13489.600083] [drm:gen8_init_common_ring] Execlists enabled for video
enhancement ring
[13491.597002] [drm] RC6 on
[13495.596368] [drm] stuck on render ring
[13495.596581] [drm] GPU HANG: ecode 9:0:0x85dffffb, in tex-miplevel-se [7157],
reason: Ring hung, action: reset
[13495.596605] [drm:i915_reset_and_wakeup] resetting chip
[13495.598694] drm/i915: Resetting chip after gpu hang
[13495.598728] [drm:gen8_init_common_ring] Execlists enabled for render ring
[13495.598730] [drm:gen8_init_common_ring] Execlists enabled for bsd ring
[13495.598733] [drm:gen8_init_common_ring] Execlists enabled for blitter ring
[13495.598735] [drm:gen8_init_common_ring] Execlists enabled for video
enhancement ring
[13495.601226] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[13497.596361] [drm] RC6 on

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