[Bug 98460] [SNB] [regression] [igt] gem_busy at extended-parallel-render Failed assertion: !"GPU hung"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98460

--- Comment #6 from Chris Wilson <chris at chris-wilson.co.uk> ---
14,1280,255241527,-;[IGT] gem_busy: executing
7,1281,255241602,-;[drm:i915_gem_open [i915]] 
7,1282,255241959,-;[drm:i915_gem_open [i915]] 
6,1283,268864341,-;[drm] GPU HANG: ecode 6:0:0xe77ffeff, in gem_busy [1280],
reason: Hang on render ring, action: reset
6,1284,268864342,-;[drm] GPU hangs can indicate a bug anywhere in the entire
gfx stack, including userspace.
6,1285,268864342,-;[drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
6,1286,268864342,-;[drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
6,1287,268864343,-;[drm] The gpu crash dump is required to analyze gpu hangs,
so please always attach it.
6,1288,268864343,-;[drm] GPU crash dump saved to /sys/class/drm/card0/error
7,1289,268864371,-;[drm:i915_reset_and_wakeup [i915]] resetting chip
5,1290,268864378,-;drm/i915: Resetting chip after gpu hang
7,1291,268864397,-;[drm:i915_gem_reset [i915]] resetting render ring to restart
from tail of request 0x22
7,1292,268864419,-;[drm:intel_print_rc6_info [i915]] Enabling RC6 states: RC6
on RC6p off RC6pp off
7,1293,268868451,-;[drm:intel_guc_setup [i915]] GuC fw status: path (null),
fetch NONE, load NONE
7,1294,281854085,-;[drm:i915_reset_and_wakeup [i915]] resetting chip
5,1295,281854091,-;drm/i915: Resetting chip after gpu hang
7,1296,281854111,-;[drm:i915_gem_reset [i915]] resetting render ring to restart
from tail of request 0x23
14,1304,297808259,-;[IGT] gem_busy: exiting, ret=99

Either we are not getting all the [IGT] breadcrumbs or that dies before we even
start the test.

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