Same issue to me, my laptop is ASUS A53S, with nVidia Geforce GT 520MX.
Right now I'm using only HDMI connected monitor because the laptop monitor is a
decoupled mirror of the HDMI connected monitor.
Here is xrandr output with HDMI monitor plugged in:
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
VGA-0 connected primary (normal left inverted right x axis y axis)
680x384 60.0 +
1366x768 60.0
1360x768 60.0
LVDS-1-0 connected 1366x768+0+0 344mm x 193mm
1366x768 60.0*+
1360x768 59.8 60.0
1024x768 60.0 60.0
960x720 60.0
928x696 60.1
896x672 60.0
960x600 60.0
960x540 60.0
800x600 60.0 60.3 56.2
840x525 60.0 59.9
800x512 60.2
700x525 60.0
640x512 60.0
720x450 59.9
640x480 60.0 59.9
680x384 59.8 60.0
576x432 60.1
512x384 60.0
400x300 60.3 56.3
320x240 60.1
VGA-1-0 disconnected
HDMI-1-0 connected 1920x1080+0+0 509mm x 286mm
1920x1080 60.0*+ 50.0 59.9
1920x1080i 60.1 50.0 60.0
1680x1050 59.9
1280x1024 75.0 60.0
1440x900 59.9
1280x960 60.0
1280x720 60.0 50.0 59.9
1024x768 75.1 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
720x576 50.0
720x480 60.0 59.9
640x480 75.0 72.8 66.7 60.0 59.9
720x400 70.1
DisplayPort-1-0 disconnected
1366x768 (0x46) 71.8MHz
h: width 1366 start 1414 end 1446 total 1526 skew 0 clock 47.1KHz
v: height 768 start 771 end 777 total 784 clock 60.0Hz
1360x768 (0x48) 72.0MHz
h: width 1360 start 1408 end 1440 total 1520 skew 0 clock 47.4KHz
v: height 768 start 771 end 781 total 790 clock 60.0Hz
680x384 (0x5c) 36.0MHz
h: width 680 start 704 end 720 total 760 skew 0 clock 47.4KHz
v: height 384 start 385 end 390 total 395 clock 60.0Hz
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https://bugs.launchpad.net/bugs/1296020
Title:
[Asus U36JC] Non-existent display detected in both intel driver and
nvidia driver (Optimus Laptop) (ubuntu trusty 14.04)
Status in “nvidia-prime” package in Ubuntu:
New
Status in “ubuntu-drivers-common” package in Ubuntu:
Fix Released
Status in “nvidia-prime” source package in Precise:
In Progress
Status in “ubuntu-drivers-common” source package in Precise:
Invalid
Status in “nvidia-prime” source package in Trusty:
Invalid
Status in “ubuntu-drivers-common” source package in Trusty:
In Progress
Bug description:
SRU Request
Systems with Optimus (Intel+NVIDIA GPUs) can have ghost VGA devices
hardcoded in the BIOS. This leads the system into thinking that there
is actually one more active output than there really is.
[Impact]
* The ghost VGA output confuses lightdm and the gnome-settings-daemon making
the system unusable.
[Test Case]
* Install the nvidia binary driver, reboot, and check the output of the
"xrandr -q" command
- Expected: only the outputs that are actually connected will be marked
as active.
- Bad behavior: a non-existent VGA device will show up in the output.
[Regression Potential]
* Low, as it only disables CRT outputs in the nvidia driver.
[Other Info]
* N/A
--
There is a non existent display detected in both intel driver only and nvidia
331 driver installation.
The non existent display is "Unknown Display" shown in gnome-control-center
--> display and "CRT-0" in nvidia-settings, and "VGA-0" in xrandr -q output.
It will cause gdm failed to start. gnome-shell has some crazy layouts.
lightdm will only occupy 2/3 of monitor in top left corner.
I tested this in intel driver only environment. and nvidia-331 installation
environment.
My laptop is Asus U36JC. My monitor correct resolution is 1366x768.
The following is the output of "xrandr -q" in gnome-shell with
nvidia-331 installed:
$ xrandr -q
Screen 0: minimum 8 x 8, current 1366 x 768, maximum 8192 x 8192
VGA-0 connected primary 680x384+0+0 (normal left inverted right x axis y
axis) 0mm x 0mm panning 1366x768+0+0
680x384 60.0*+
1366x768 60.0
1360x768 60.0
HDMI-0 disconnected (normal left inverted right x axis y axis)
LVDS-1-0 connected 1366x768+0+0 (normal left inverted right x axis y axis)
293mm x 165mm
1366x768 60.0*+
1360x768 59.8 60.0
1024x768 60.0 60.0
960x720 60.0
928x696 60.1
896x672 60.0
960x600 60.0
960x540 60.0
800x600 60.0 60.3 56.2
840x525 60.0 59.9
800x512 60.2
700x525 60.0
640x512 60.0
720x450 59.9
640x480 60.0 59.9
680x384 59.8 60.0
576x432 60.1
512x384 60.0
400x300 60.3 56.3
320x240 60.1
VGA-1-0 disconnected (normal left inverted right x axis y axis)
HDMI-1-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1-0 disconnected (normal left inverted right x axis y axis)
1366x768 (0x46) 69.3MHz
h: width 1366 start 1425 end 1464 total 1472 skew 0 clock 47.1KHz
v: height 768 start 773 end 782 total 785 clock 60.0Hz
1360x768 (0x48) 72.0MHz
h: width 1360 start 1408 end 1440 total 1520 skew 0 clock 47.4KHz
v: height 768 start 771 end 781 total 790 clock 60.0Hz
680x384 (0x5c) 36.0MHz
h: width 680 start 704 end 720 total 760 skew 0 clock 47.4KHz
v: height 384 start 385 end 390 total 395 clock 60.0Hz
The following is the output of "xrandr -q" in lxde with nvidia-331
installed:
$ xrandr -q
Screen 0: minimum 8 x 8, current 1366 x 768, maximum 8192 x 8192
VGA-0 connected primary 1024x768+31+0 (normal left inverted right x axis y
axis) 0mm x 0mm panning 1366x768+0+0
680x384 60.0 +
1366x768 60.0
1360x768 60.0
HDMI-0 disconnected (normal left inverted right x axis y axis)
LVDS-1-0 connected 1366x768+0+0 (normal left inverted right x axis y axis)
293mm x 165mm
1366x768 60.0*+
1360x768 59.8 60.0
1024x768 60.0 60.0
960x720 60.0
928x696 60.1
896x672 60.0
960x600 60.0
960x540 60.0
800x600 60.0 60.3 56.2
840x525 60.0 59.9
800x512 60.2
700x525 60.0
640x512 60.0
720x450 59.9
640x480 60.0 59.9
680x384 59.8 60.0
576x432 60.1
512x384 60.0
400x300 60.3 56.3
320x240 60.1
VGA-1-0 disconnected (normal left inverted right x axis y axis)
HDMI-1-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1-0 disconnected (normal left inverted right x axis y axis)
1366x768 (0x46) 69.3MHz
h: width 1366 start 1425 end 1464 total 1472 skew 0 clock
47.1KHz
v: height 768 start 773 end 782 total 785 clock 60.0Hz
1360x768 (0x48) 72.0MHz
h: width 1360 start 1408 end 1440 total 1520 skew 0 clock
47.4KHz
v: height 768 start 771 end 781 total 790 clock 60.0Hz
1024x768 (0x4a) 65.0MHz
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock
48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
680x384 (0x5c) 36.0MHz
h: width 680 start 704 end 720 total 760 skew 0 clock
47.4KHz
v: height 384 start 385 end 390 total 395 clock 60.0Hz
Note: this Unknown non-existent display happens in intel driver only
environment TOO. If required, I can provide "xrandr -q" output with
that environment. At present, I don't bother to remove/purge my
nvidia-331 installation.
Please let me know if anything else is required. Thank you very much!
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 331.38 Wed Jan 8 19:32:30
PST 2014
GCC version: gcc version 4.8.2 (Ubuntu 4.8.2-16ubuntu6)
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: LXDE
Date: Sat Mar 22 18:47:26 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus:
bbswitch, 0.7, 3.13.0-17-generic, x86_64: installed
bbswitch, 0.7, 3.13.0-18-generic, x86_64: installed
nvidia-331, 331.38, 3.13.0-18-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: No
GraphicsCard:
Intel Corporation Core Processor Integrated Graphics Controller [8086:0046]
(rev 18) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1542]
NVIDIA Corporation GT218M [GeForce 310M] [10de:0a70] (rev a2) (prog-if 00
[VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:1542]
InstallationDate: Installed on 2014-03-04 (17 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20140226)
MachineType: ASUSTeK Computer Inc. U36JC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-18-generic
root=UUID=0d039a7c-cdff-4d22-9604-569584977a76 ro quiet splash
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/26/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: U36JC.205
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: U36JC
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrU36JC.205:bd01/26/2011:svnASUSTeKComputerInc.:pnU36JC:pvr1.0:rvnASUSTeKComputerInc.:rnU36JC:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: U36JC
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-1ubuntu1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.10-1ubuntu2
xserver.bootTime: Sat Mar 22 12:36:00 2014
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.0-1ubuntu7
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