Setting DPMS mode for output to 0 causes screen to blink/flicker once
Bug #1231632 reported by
Chris Gagnon
This bug affects 4 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Mir |
Invalid
|
Medium
|
Unassigned | ||
xorg-server (Ubuntu) |
Invalid
|
Medium
|
Robert Carr |
Bug Description
description:
Setting DPMS mode for output to 0 causes screen to blink/flicker once
steps:
1. run 'dbus-send --type=method_call --dest=
expected results:
screen does not blink in regular x
actual results:
screen blinks on xmir
description: | updated |
tags: | added: multimonitor |
Changed in mir: | |
status: | New → Triaged |
importance: | Undecided → Medium |
Changed in xmir: | |
status: | Triaged → Confirmed |
affects: | xmir → xorg-server (Ubuntu) |
tags: | added: xmir |
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the same thing happens when running unity-3d games (the graphics engine not the DM)
steps:
1. install critter cascade from the ubuntu software center
2. open critter cascade
expected results:
the screen doesn't flicker black
actual results:
the screen flickers black
cat /var/log/Xorg.0.log /boot/vmlinuz- 3.11.0- 8-generic root=UUID= e9c4faad- e712-4412- 9ac7-5e5843fcc3 6d ro quiet splash vt.handoff=7 2.901-2ubuntu6 (For technical support please see http:// www.ubuntu. com/support) wiki.x. org Xorg.0. log", Time: Thu Sep 26 20:00:44 2013 X11/xorg. conf.d" fonts/X11/ cyrillic" does not exist. fonts/X11/ 100dpi/ " does not exist. fonts/X11/ 75dpi/" does not exist. fonts/X11/ 100dpi" does not exist. fonts/X11/ 75dpi" does not exist. defoma/ x-ttcidfont- conf.d/ dirs/TrueType" does not exist. fonts/X11/ misc, fonts/X11/ Type1, x86_64- linux-gnu/ xorg/extra- modules, /usr/lib/ xorg/extra- modules, /usr/lib/ xorg/modules"
[ 16.998]
X.Org X Server 1.14.2.901 (1.14.3 RC 1)
Release Date: 2013-07-25
[ 16.998] X Protocol Version 11, Revision 0
[ 16.998] Build Operating System: Linux 3.2.0-37-generic x86_64 Ubuntu
[ 16.998] Current Operating System: Linux ps-intel-3000 3.11.0-8-generic #15-Ubuntu SMP Fri Sep 20 04:11:26 UTC 2013 x86_64
[ 16.998] Kernel command line: BOOT_IMAGE=
[ 16.998] Build Date: 26 September 2013 05:25:08PM
[ 16.998] xorg-server 2:1.14.
[ 16.998] Current version of pixman: 0.30.2
[ 16.998] Before reporting problems, check http://
to make sure that you have the latest version.
[ 16.998] Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 16.999] (==) Log file: "/var/log/
[ 17.059] (==) Using system config directory "/usr/share/
[ 17.118] (==) No Layout section. Using the first Screen section.
[ 17.118] (==) No screen section available. Using defaults.
[ 17.118] (**) |-->Screen "Default Screen Section" (0)
[ 17.118] (**) | |-->Monitor "<default monitor>"
[ 17.140] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 17.140] (==) Automatically adding devices
[ 17.140] (==) Automatically enabling devices
[ 17.140] (==) Automatically adding GPU devices
[ 17.153] (WW) The directory "/usr/share/
[ 17.153] Entry deleted from font path.
[ 17.153] (WW) The directory "/usr/share/
[ 17.153] Entry deleted from font path.
[ 17.153] (WW) The directory "/usr/share/
[ 17.153] Entry deleted from font path.
[ 17.154] (WW) The directory "/usr/share/
[ 17.154] Entry deleted from font path.
[ 17.154] (WW) The directory "/usr/share/
[ 17.154] Entry deleted from font path.
[ 17.154] (WW) The directory "/var/lib/
[ 17.154] Entry deleted from font path.
[ 17.154] (==) FontPath set to:
/usr/share/
/usr/share/
built-ins
[ 17.154] (==) ModulePath set to "/usr/lib/
[ 17.154] (II) The server relies on udev to provide the list of input devices.
If no devices become available, reconfigure udev or disable AutoAddDevices.
[ 17.154] (II) Loader magic: 0x7f35f3f5cd20
[ 17.154] (II) Module ABI ver...