<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BAT SKL] *ERROR* Potential atomic update failure on pipe A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95632#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [BAT SKL] *ERROR* Potential atomic update failure on pipe A"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95632">bug 95632</a>
from <span class="vcard"><a class="email" href="mailto:damien@grassart.com" title="Damien Grassart <damien@grassart.com>"> <span class="fn">Damien Grassart</span></a>
</span></b>
<pre>I am also seeing this error message on my i7-4500U laptop and was able to
bisect it to this commit:
92dcc67c11d51671cca8df543e25c601e52336ad is the first bad commit
commit 92dcc67c11d51671cca8df543e25c601e52336ad
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Thu Apr 28 09:56:46 2016 +0100
drm/i915: Unify intel_ring_begin()
Combine the near identical implementations of intel_logical_ring_begin()
and intel_ring_begin() - the only difference is that the logical wait
has to check for a matching ring (which is assumed by legacy).
In the process some debug messages are culled as there were following a
WARN if we hit an actual error.
v2: Updated commentary
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Cc: Joonas Lahtinen <<a href="mailto:joonas.lahtinen@linux.intel.com">joonas.lahtinen@linux.intel.com</a>>
Cc: Tvrtko Ursulin <<a href="mailto:tvrtko.ursulin@linux.intel.com">tvrtko.ursulin@linux.intel.com</a>>
Reviewed-by: Joonas Lahtinen <<a href="mailto:joonas.lahtinen@linux.intel.com">joonas.lahtinen@linux.intel.com</a>>
Link:
<a href="http://patchwork.freedesktop.org/patch/msgid/1461833819-3991-12-git-send-email-chris@chris-wilson.co.uk">http://patchwork.freedesktop.org/patch/msgid/1461833819-3991-12-git-send-email-chris@chris-wilson.co.uk</a>
(cherry picked from commit 987046ad65361a8b038fbf8d76d152237fb7acf1)
Signed-off-by: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>></pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>