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<body><span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][BAT] igt@i915_selftest@live_workarounds - dmesg-fail - live_isolated_whitelist failed with error -22, live_dirty_whitelist failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111926">bug 111926</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>RESOLVED
</td>
<td>REOPENED
</td>
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<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][BAT] igt@i915_selftest@live_workarounds - dmesg-fail - live_isolated_whitelist failed with error -22, live_dirty_whitelist failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111926#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][BAT] igt@i915_selftest@live_workarounds - dmesg-fail - live_isolated_whitelist failed with error -22, live_dirty_whitelist failed with error -22"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111926">bug 111926</a>
from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
<pre>(In reply to Chris Wilson from <a href="show_bug.cgi?id=111926#c2">comment #2</a>)
<span class="quote">> Judging by the values, it looks like a use-after-free, so I'm betting on
>
> commit 41f0bc49f7f2014feab8b278fea2adaea6ccaf4e (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: Wed Oct 9 07:17:59 2019 +0100
>
> drm/i915/selftests: Hold request reference over waits
>
> Take a reference on the request before submitting it to the HW and then
> waiting on it for selftest_workarounds. Once submitted, the request may
> be freed by a background worker, unless we take an extra reference for
> ourselves.
>
> References: <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [CI][BAT] igt@i915_selftest@live_workarounds - dmesg-fail - live_isolated_whitelist failed with error -22, live_dirty_whitelist failed with error -22"
href="show_bug.cgi?id=111926">https://bugs.freedesktop.org/show_bug.cgi?id=111926</a>
> Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</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/20191009061759.3189-1">https://patchwork.freedesktop.org/patch/msgid/20191009061759.3189-1</a>-
> <a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a></span >
Reopening the issue due to this failure
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7064/fi-skl-6600u/igt@i915_selftest@live_workarounds.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7064/fi-skl-6600u/igt@i915_selftest@live_workarounds.html</a></pre>
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