Update & simplication.
This bug affects 17.10 & 17.04 with the current LTS support nvidia drivers.
This bug affects both my laptops with nvidia hardware.
External monitors are not necessary to reproduce.

Reproduction is simple. 
1. Activate the nvidia hardware using discrete mode. Therefore no intel 
graphics hardware is present. 

2. Enable the nvidia driver in modeset=1

make a file /etc/modprobe.d/zz-nvidia-modeset.conf
with contents
options nvidia_384_drm modeset=1

3. sudo update-initramfs

4. make sure gdm3 is your display manager

5. reboot

6. attempt to start a gnome session

-- 
You received this bug notification because you are a member of Ubuntu
Desktop Bugs, which is subscribed to gdm3 in Ubuntu.
https://bugs.launchpad.net/bugs/1706474

Title:
  gdm3 nvidia modeset=1 is broken, external screens don't work

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1706474/+subscriptions

-- 
desktop-bugs mailing list
desktop-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/desktop-bugs

Reply via email to