Public bug reported:
If I have a thunderbolt monitor, it works fine-ish, most of the time,
and I can connect, disconnect, etc.
If EVER I connect to an HDMI monitor, it connects and will disconnect,
but then displayport NEVER WORKS AGAIN until I reboot the laptop.
After using and disconnecting HDMI:
shevek@starling:~$ xrandr -q
Screen 0: minimum 8 x 8, current 3840 x 2160, maximum 32767 x 32767
DP-0 connected (normal left inverted right x axis y axis)
2560x2880 60.00 +
DP-1 connected (normal left inverted right x axis y axis)
4096x2304 60.00 +
3840x2160 60.00
3200x1800 60.00
2560x2880 60.00
2560x1440 60.00
640x480 59.94
HDMI-0 disconnected (normal left inverted right x axis y axis)
eDP-1-1 connected 3840x2160+0+0 (normal left inverted right x axis y axis)
344mm x 193mm
3840x2160 60.00*+ 59.98 59.97
3200x1800 59.96 59.94
2880x1620 59.96 59.97
2560x1600 59.99 59.97
2560x1440 59.99 59.99 59.96 59.95
(etc)
BUT:
+ xrandr --output DP-1 --mode 3840x2160 --above eDP-1-1
xrandr: Configure crtc 0 failed
X Error of failed request: BadValue (integer parameter out of range for
operation)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 21 (RRSetCrtcConfig)
Value in failed request: 0x0
Serial number of failed request: 55
Current serial number in output stream: 55
and then the screen goes blank. And now I have to reboot again, which is kind
of meh because of #1852797 the laptop crashes every day or two anyway on 19.10
where it didn't crash on 19.04 but ... still a pain.
This bug existed on 19.04 with nvidia-driver-418 and exists in nvidia-
driver-430.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: xserver-xorg-video-nvidia-430 430.50-0ubuntu2
ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7
Uname: Linux 5.3.0-23-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed Nov 20 15:16:06 2019
InstallationDate: Installed on 2019-01-21 (303 days ago)
InstallationMedia: Xubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.2)
SourcePackage: nvidia-graphics-drivers-430
UpgradeStatus: Upgraded to eoan on 2019-11-10 (10 days ago)
** Affects: nvidia-graphics-drivers-430 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug eoan
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https://bugs.launchpad.net/bugs/1853381
Title:
Using HDMI output breaks displayport permanently
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