[Bug 101235] [BAT][HSW] igt at gem_exec_flush@basic-batch-kernel-default-cmd hard hanged

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101235

--- Comment #2 from Martin Peres <martin.peres at free.fr> ---
(In reply to Chris Wilson from comment #1)
> (In reply to Martin Peres from comment #0)
> > The machine fi-hsw-4770r hard-hanged when running
> > igt at gem_exec_flush@basic-batch-kernel-default-cmd on CI_DRM_2671. The only
> > thing that looks a little suspicious in the logs is this:
> > 
> > 
> > [  104.040011] [IGT] gem_exec_fence: starting subtest await-hang-default
> > [  106.726854] [drm:missed_breadcrumb [i915]] vecs0 missed breadcrumb at
> > intel_breadcrumbs_hangcheck+0x5c/0x80 [i915], irq posted? no, current
> > seqno=4f3d, last=4f3e
> > [  112.762486] [drm] GPU HANG: ecode 7:0:0xe757feff, in gem_exec_fence
> > [1670], reason: Hang on rcs0, action: reset
> > [  112.762778] [drm:i915_reset_and_wakeup [i915]] resetting chip
> > [  112.762851] drm/i915: Resetting chip after gpu hang
> > [  112.763002] [drm:i915_gem_reset [i915]] context gem_exec_fence[1670]/0
> > marked guilty (score 10) banned? no
> > [  112.763035] [drm:i915_gem_reset [i915]] resetting rcs0 to restart from
> > tail of request 0x5966c
> > [  112.763205] [drm:intel_print_rc6_info [i915]] Enabling RC6 states: RC6 on
> > [  112.763379] [drm:init_workarounds_ring [i915]] rcs0: Number of context
> > specific w/a: 0
> > [  112.774296] [IGT] gem_exec_fence: exiting, ret=0
> 
> That's not suspicious as it was a hang test. 

OK, I'll try to remember that this one also is one of these tests.

> The test in question
> (gem_exec_flush) is not recorded as even starting. There's no information
> here regarding the disappearance of the machine.

Piglit probably only syncs after the execution of a test, not at the beginning
of a test.

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