From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 56041] New: Disabling LCD on ARUBA causes hotplug loop
Date: Mon,  1 Apr 2013 01:04:07 +0000 (UTC)
Message-ID: <bug-56041-2300@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=56041

           Summary: Disabling LCD on ARUBA causes hotplug loop
           Product: Drivers
           Version: 2.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: darktjm@gmail.com
        Regression: No


My hardware:  a Gateway/Acer laptop with Radeon HD 7640G.  Disabling the LCD
(xrandr --output eDP --off) while the external display is being used causes
some sort of hotplug event loop.  100% of one CPU's worth of CPU time is
consumed, and X freezes every few seconds.  For now, I have worked around by
commenting out "queue_hotplug = true" in evergreen.c (case 0).

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