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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BAT][HSW] igt@gem_exec_flush@basic-batch-kernel-default-cmd hard hanged"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101235#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BAT][HSW] igt@gem_exec_flush@basic-batch-kernel-default-cmd hard hanged"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101235">bug 101235</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=101235#c1">comment #1</a>)
<span class="quote">> (In reply to Martin Peres from <a href="show_bug.cgi?id=101235#c0">comment #0</a>)
> > The machine fi-hsw-4770r hard-hanged when running
> > igt@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. </span >
OK, I'll try to remember that this one also is one of these tests.
<span class="quote">> The test in question
> (gem_exec_flush) is not recorded as even starting. There's no information
> here regarding the disappearance of the machine.</span >
Piglit probably only syncs after the execution of a test, not at the beginning
of a test.</pre>
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