From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 39882] New: Regression: Plugging in a HDMI connector makes the LCD of X120e go dark
Date: Sat, 6 Aug 2011 06:27:10 -0700 (PDT) [thread overview]
Message-ID: <bug-39882-502@http.bugs.freedesktop.org/> (raw)
https://bugs.freedesktop.org/show_bug.cgi?id=39882
Summary: Regression: Plugging in a HDMI connector makes the LCD
of X120e go dark
Product: DRI
Version: XOrg CVS
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: gottfried.haider@gmail.com
When I plug in my external TFT monitor while my X120e is in use, the laptop's
internal LCD immediately goes dark - yet I don't have a picture on the TFT.
I first noticed this with kernel 3.0.0, this is fully reproducible also on
3.0.1. Since I did not remember this happening before, I tested with an older
kernel (Ubuntu's 2.6.38, but should not make a difference), and indeed: with
2.6.38 the internal LCD stays on (which is the expected behavior).
The TFT is connected via a HDMI-to-DVI cable. Userspace is Xubuntu 11.04 with
xorg-edgers PPA.
At a first glance, I do not see anything interesting in either dmesg or
Xorg.log when this happens. Note: the machine does not hang, since I can still
(blindly) launch a terminal and make the machine restart - for which I briefly
get a picture on the LCD again after XOrg shutdown.
I am attaching lspci and a dmesg/Xorg.log below - please let me know if I can
help with anything else (I can easily test kernel patches).
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next reply other threads:[~2011-08-06 13:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-06 13:27 bugzilla-daemon [this message]
2011-08-06 13:28 ` [Bug 39882] Regression: Plugging in a HDMI connector makes the LCD of X120e go dark bugzilla-daemon
2011-08-06 13:31 ` bugzilla-daemon
2011-08-06 13:33 ` bugzilla-daemon
2011-08-06 14:27 ` bugzilla-daemon
2011-08-06 19:26 ` bugzilla-daemon
2011-08-11 0:03 ` bugzilla-daemon
2011-08-12 21:45 ` bugzilla-daemon
2011-08-13 17:28 ` bugzilla-daemon
2011-08-17 18:21 ` bugzilla-daemon
2011-08-20 1:31 ` bugzilla-daemon
2011-08-23 20:18 ` bugzilla-daemon
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