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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_REOPENED "
title="REOPENED - [CI] igt@drv_selftest@live_hangcheck - igt_reset_engines failed with error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106560">bug 106560</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>CLOSED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI] igt@drv_selftest@live_hangcheck - igt_reset_engines failed with error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106560#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI] igt@drv_selftest@live_hangcheck - igt_reset_engines failed with error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=106560">bug 106560</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 Martin Peres from <a href="show_bug.cgi?id=106560#c8">comment #8</a>)
<span class="quote">> (In reply to Chris Wilson from <a href="show_bug.cgi?id=106560#c7">comment #7</a>)
> > commit a99b32a6fff7e482a267c72e565c8c410ce793d7 (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: Tue Aug 14 18:18:57 2018 +0100
> >
> > drm/i915: Clear stop-engine for a pardoned reset
> >
> > If we pardon a per-engine reset, we may leave the STOP_RING bit asserted
> > in RING_MI_MODE resulting in the engine hanging. Unconditionally clear
> > it on the per-engine exit path as we know that either we skipped the
> > reset and so need the cancellation, or the reset was successful and the
> > cancellation is a no-op, or there was an error and we will follow up
> > with a full-reset or wedging (both of which will stop the engines again
> > as required).
> >
> > Bugzilla: <a class="bz_bug_link
bz_status_CLOSED bz_closed"
title="CLOSED FIXED - [CI][CFL] Occasional hang in drv_selftest@live_workarounds"
href="show_bug.cgi?id=107188">https://bugs.freedesktop.org/show_bug.cgi?id=107188</a>
> > Bugzilla: <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI] igt@drv_selftest@live_hangcheck - igt_reset_engines failed with error"
href="show_bug.cgi?id=106560">https://bugs.freedesktop.org/show_bug.cgi?id=106560</a>
> > 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/20180814171857.24673-1">https://patchwork.freedesktop.org/patch/msgid/20180814171857.24673-1</a>-
> > <a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>
> >
> >
> > Please note that the CI run for this patch indicated we have yet another
> > cause for hangs here. When that is detected please do file a fresh bug so we
> > don't have the debug logs confused.
>
> That seems to have done the trick for this particular issue. Closing now :)</span >
Actually, <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [CI] igt@drv_selftest@live_hangcheck - dmesg-fail - Failed to switch back to kernel context; declaring wedged"
href="show_bug.cgi?id=106947">https://bugs.freedesktop.org/show_bug.cgi?id=106947</a> was saying that
the following failures are for this issue, and they still happen:
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4512/fi-kbl-7500u/igt@drv_selftest@live_hangcheck.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4512/fi-kbl-7500u/igt@drv_selftest@live_hangcheck.html</a>
[...]
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4714/fi-kbl-7567u/igt@drv_selftest@live_hangcheck.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4714/fi-kbl-7567u/igt@drv_selftest@live_hangcheck.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4611/shard-kbl7/igt@drv_selftest@live_hangcheck.html">https://intel-gfx-ci.01.org/tree/drm-tip/IGT_4611/shard-kbl7/igt@drv_selftest@live_hangcheck.html</a></pre>
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