Xorg server configuration fail - no screens detected
OK, so I have reinstalled the xserver-xorg
with apt-get
and then removed the ~/.config/monitors.xml
file and everything works fine now. :)
( The monitors file is like an artifact after connecting an external display and it stores the settings somehow and causes problems when you switch back to one display mode http://ubuntuforums.org/showthread.php?t=1917220 )
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Patryk
Software Engineer C++/Go/shell/python coder Linux enthusiast Github profiles: https://github.com/pmalek https://github.com/pmalekn
Updated on September 18, 2022Comments
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Patryk over 1 year
I have a serious problem with Xorg server on ubuntu 12.04 (with nvidia 420M GT card).
At home I am using an external monitor connected to my laptop's HDMI port - the external display is used as extended. But then when I leave my house and go e.g. to work I don't use it anymore but my xorg's config file remains as it was and then some bad things happen. For instance - every time when I boot after disconnecting the external monitor I get some not default font and bigger than usual + some windows with errors about not compatible resolution modes.
But today I have tried to boot normally without the additional monitor and xorg server has failed and I cannot boot to GUI. I am receiving this
[ 101.830] X.Org X Server 1.11.3 Release Date: 2011-12-16 [ 101.831] X Protocol Version 11, Revision 0 [ 101.831] Build Operating System: Linux 2.6.42-26-generic x86_64 Ubuntu [ 101.831] Current Operating System: Linux ICANSEEYOU 3.2.0-26-generic #41-Ubuntu SMP Thu Jun 14 17:49:24 UTC 2012 x86_64 [ 101.831] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.2.0-26-generic root=UUID=1384cee0-6a71-4b83-b0d3-1338db925168 ro recovery nomodeset [ 101.831] Build Date: 16 July 2012 08:06:31PM [ 101.832] xorg-server 2:1.11.4-0ubuntu10.6 (For technical support please see http://www.ubuntu.com/support) [ 101.832] Current version of pixman: 0.24.4 [ 101.832] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 101.832] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 101.834] (==) Log file: "/var/log/Xorg.0.log", Time: Mon Jul 23 09:48:40 2012 [ 101.834] (==) Using config file: "/etc/X11/xorg.conf" [ 101.834] (==) Using system config directory "/usr/share/X11/xorg.conf.d" [ 101.834] Parse error on line 7 of section ServerLayout in file /etc/X11/xorg.conf " -reen0" is not a valid keyword in this section. [ 101.835] (EE) Problem parsing the config file [ 101.835] (EE) Error parsing the config file [ 101.835] Fatal server error: [ 101.835] no screens found [ 101.836] Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 101.836] Please also check the log file at "/var/log/Xorg.0.log" for additional information. [ 101.836] [ 101.836] ddxSigGiveUp: Closing log [ 101.836] Server terminated with error (1). Closing log file.
I have also received error that screens have been detected but none of them has a proper configuration file but then I have tried to reset xorg to its defaults (in failsafe mode) with
sudo dpkg-reconfigure xserver-xorg
(I got no output form that ) and now I am stuck with this. To be honest - I have this error while trying to log on to
failsafe
mode and get the ubuntu splash image when trying to boot normally.Here is my config file
xorg.conf
:# nvidia-settings: X configuration file generated by nvidia-settings # nvidia-settings: version 295.33 (buildd@allspice) Fri Mar 30 13:37:33 UTC 2012 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" -1920 0 InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" Option "Xinerama" "0" EndSection Section "Files" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" # HorizSync source: edid, VertRefresh source: edid Identifier "Monitor0" VendorName "Unknown" ModelName "LGD" HorizSync 30.0 - 75.0 VertRefresh 60.0 Option "DPMS" EndSection Section "Monitor" # HorizSync source: edid, VertRefresh source: edid Identifier "Monitor1" VendorName "Unknown" ModelName "Acer P215H" HorizSync 31.0 - 83.0 VertRefresh 56.0 - 76.0 Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GT 420M" EndSection Section "Device" Identifier "Device1" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GT 420M" BusID "PCI:1:0:0" Screen 1 EndSection Section "Screen" # Removed Option "TwinView" "0" # Removed Option "TwinViewXineramaInfoOrder" "DFP-0" # Removed Option "metamodes" "DFP-0: nvidia-auto-select +0+0" # Removed Option "TwinView" "1" # Removed Option "metamodes" "DFP-0: nvidia-auto-select +1920+0, DFP-1: nvidia-auto-select +0+0" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "TwinViewXineramaInfoOrder" "DFP-1" Option "TwinView" "0" Option "metamodes" "nvidia-auto-select +0+0" SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen1" Device "Device1" Monitor "Monitor1" DefaultDepth 24 Option "TwinView" "0" Option "metamodes" "DFP-1: nvidia-auto-select +0+0" SubSection "Display" Depth 24 EndSubSection EndSection
And this is my
xorg.conf.failsafe
Section "Device" Identifier "Configured Video Device" Driver "vesa" EndSection Section "Monitor" Identifier "Configured Monitor" EndSection Section "Screen" Identifier "Default Screen" Monitor "Configured Monitor" Device "Configured Video Device" EndSection
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IsaacS over 11 yearsI've experienced very much alike phenomenon, spent several hours to figure out. By remove + install
xserver-xorg
I managed to fix it. I didn't findmonitors.xml
but onlymonitors.xml.bk
under~/.config/
, just to share. Thanks!! -
pushy about 11 yearsAfter upgrading to 12.10 i had a blank login screen. Turns out xserver-xorg-core was not installed, found that thanks to your answer :-)
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stdcerr over 9 yearsI see a very similar issue but
apt-get remove xserver-xorg
followed by anapt-get install xserver-xorg
didn't fix the issue for me... :(