Public bug reported:
This system normally has two displays connected which are always on.
This problem arose when a TV was connected as a third display. It was
preferred to have the TV left "disabled" by unchecking "Use this
display" when it was not needed, but leaving its cable connected.
However at each startup a GUI will be presented asking for display
configuration because the option in Display settings for "Configure new
displays when connected" is checked.
If the option for "Connfigure new displays when connected" is then
unchecked and the system is hibernated, then on resume X will not start.
The only thing that can be done is to start a new terminal session and
then startx will bring up a desktop. However the applications that were
restored in the resume aren't accessible from this desktop session that
has been manually started.
The following were tried until the system was found to be resuming:
1. Disconnected the third display
2. Checked the option for "Configure new displays when connected"
Not until both options had been tried would the system resume after hibernation
and start X.
lsb_release -rd
Description: Ubuntu 16.04.2 LTS
Release: 16.04
apt-cache policy xorg
xorg:
Installed: 1:7.7+13ubuntu3
Candidate: 1:7.7+13ubuntu3
Version table:
*** 1:7.7+13ubuntu3 500
500 http://nz.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
100 /var/lib/dpkg/status
xrandr
Screen 0: minimum 8 x 8, current 3600 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y
axis) 510mm x 287mm
1920x1080 60.00*+
1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.03 60.00
800x600 75.00 60.32
640x480 75.00 59.94
HDMI-1 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected 1680x1050+1920+0 (normal left inverted right x axis y axis)
474mm x 296mm
1680x1050 59.88*+ 59.95
1280x1024 75.02 60.02
1152x864 75.00
1024x768 75.03 60.00
800x600 75.00 60.32
640x480 75.00 59.94
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
$ cat xorg.conf
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 361.42 (buildd@lgw01-18) Tue Apr 5 14:33:28 UTC
2016
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "0"
EndSection
Section "Files"
EndSection
Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
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 "DELL P2210"
HorizSync 30.0 - 83.0
VertRefresh 56.0 - 75.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce GTX 750"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DFP-0"
Option "metamodes" "DVI-I-1: nvidia-auto-select +3840+0, HDMI-0:
nvidia-auto-select +1920+0, HDMI-1: nvidia-auto-select +0+0"
Option "SLI" "Off"
Option "MultiGPU" "Off"
Option "BaseMosaic" "off"
SubSection "Display"
Depth 24
EndSubSection
EndSection
$ nvidia-settings -q all -t
Attributes queryable via MainPC:0.0:
OperatingSystem: 0
NvidiaDriverVersion: 375.66
NvControlVersion: 1.29
GLXServerVersion: 1.4
GLXClientVersion: 1.4
OpenGLVersion: 4.5.0 NVIDIA 375.66
XRandRVersion: 1.5
XF86VidModeVersion: 2.2
XvVersion: 2.2
TwinView: 1
ConnectedDisplays: 0x00000500
EnabledDisplays: 0x00000500
AssociatedDisplays: 0x00001f01
InitialPixmapPlacement: 2
MultiGpuDisplayOwner: 0
GlyphCache: 1
Depth30Allowed: 1
NoScanout: 0
XServerUniqueId: 1353011520
PixmapCache: 1
PixmapCacheRoundSizeKB: 1024
AccelerateTrapezoids: 1
ScreenPosition: x=0, y=0, width=3600, height=1080
SyncToVBlank: 1
LogAniso: 0
FSAA: 0
TextureClamping: 1
FXAA: 0
AllowFlipping: 0
FSAAAppControlled: 1
LogAnisoAppControlled: 1
OpenGLImageSettings: 1
FSAAAppEnhanced: 0
SliMosaicModeAvailable: 0
BusType: 2
PCIEMaxLinkSpeed: 8000
PCIEMaxLinkWidth: 16
PCIECurrentLinkSpeed: 8000
PCIECurrentLinkWidth: 16
VideoRam: 2097152
Irq: 30
CUDACores: 512
GPUMemoryInterface: 128
GPUCoreTemp: 36
GPUCurrentCoreVoltage: 1200000
GPUCurrentClockFreqs: 1058,2505
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-83.106-generic 4.4.70
Uname: Linux 4.4.0-83-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: amd64
CurrentDesktop: XFCE
Date: Sat Jul 8 21:57:59 2017
InstallationDate: Installed on 2016-08-13 (329 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1703098
Title:
No X if resuming when "Configure new displays when connected"
unchecked
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