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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - intel driver hangs in waitpid() for backlight helper process on output hotplug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90230">bug 90230</a>
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<table border="1" cellspacing="0" cellpadding="8">
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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>NEW
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<td>RESOLVED
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - intel driver hangs in waitpid() for backlight helper process on output hotplug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90230#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - intel driver hangs in waitpid() for backlight helper process on output hotplug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90230">bug 90230</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Ok, I had momentary doubts thinking this meant that your panel's output was
being destroyed and was worried. However, we unconditionally call
backlight_close() expecting it only to take action if a backlight is attached.
commit e7016d30f3a0ae817c77ccbd962f776ac3e7e100
Author: Olivier Fourdan <<a href="mailto:ofourdan@redhat.com">ofourdan@redhat.com</a>>
Date: Wed Apr 29 10:33:19 2015 +0100
backlight: Do not hang forever if helper pid is -1
Backlight helper PID is set to -1 by default, if for some reason it's
not set, we may end up with waitpid(-1, ...) which will hang forever.
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - intel driver hangs in waitpid() for backlight helper process on output hotplug"
href="show_bug.cgi?id=90230">https://bugs.freedesktop.org/show_bug.cgi?id=90230</a>
Signed-off-by: Olivier Fourdan <<a href="mailto:ofourdan@redhat.com">ofourdan@redhat.com</a>></pre>
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