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<body><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> changed
<a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - [CI] igt@drv_missed_irq - fail - Failed assertion: missed_rings == expect_rings"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103199">bug 103199</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>RESOLVED
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<td>CLOSED
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<b><a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - [CI] igt@drv_missed_irq - fail - Failed assertion: missed_rings == expect_rings"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103199#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - [CI] igt@drv_missed_irq - fail - Failed assertion: missed_rings == expect_rings"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103199">bug 103199</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=103199#c5">comment #5</a>)
<span class="quote">> (In reply to Chris Wilson from <a href="show_bug.cgi?id=103199#c4">comment #4</a>)
> > (In reply to Martin Peres from <a href="show_bug.cgi?id=103199#c3">comment #3</a>)
> > > <a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_93/fi-icl-u/">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_93/fi-icl-u/</a>
> > > <a href="mailto:igt@drv_missed_irq.html">igt@drv_missed_irq.html</a>
> > >
> > > (drv_missed_irq:1510) CRITICAL: Test assertion failure function
> > > __real_main96, file ../tests/drv_missed_irq.c:159:
> > > (drv_missed_irq:1510) CRITICAL: Failed assertion: missed_rings ==
> > > expect_rings
> > > (drv_missed_irq:1510) CRITICAL: Last errno: 9, Bad file descriptor
> > > (drv_missed_irq:1510) CRITICAL: error: 0 != 0x57
> > > Test drv_missed_irq failed.
> >
> > icl is a different class of bug -- icl can't fake missed interrupts at all.
>
> commit 5f521722a2a2391d693afccdf6e12be2754382d8 (HEAD ->
> drm-intel-next-queued, drm-intel/drm-intel-next-queued)
> Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Date: Fri Sep 7 12:28:51 2018 +0100
>
> drm/i915: Missed interrupt simulation is no more, tell the world
>
> Using the guc, we cannot disable the user interrupt generation as we use
> it for driving submission. And from Icelake, we no longer have the
> ability to individually mask interrupt generation from each engine,
> disabling our ability to fake missed interrupts.
>
> In both cases, report back to userspace that the missed interrupt
> generator is no longer available.
>
> Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
> Cc: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
> Reviewed-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
> Link:
> <a href="https://patchwork.freedesktop.org/patch/msgid/20180907112856.28242-1">https://patchwork.freedesktop.org/patch/msgid/20180907112856.28242-1</a>-
> <a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a></span >
Do you think it will also fix the ICL bug or should I file another bug?</pre>
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