Although I can see from 'kernel-modes.txt' that the problem is
originating from the kernel. So the Wayland session is unlikely to help.
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => Invalid
** No longer affects: xorg-server (Ubuntu)
** Changed in: linux (Ubuntu)
Status:
The option is unfortunately a little too hidden...
You need to click on your username on the login screen and then use the
icon/menu in the bottom right corner of the screen before entering your
password.
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https://bugs.launchpad.net/bugs/1893601
Title:
4k not working
Status in linux package in Ubuntu:
Incomplete
Status in xorg-server package in Ubuntu:
Incomplete
Hi Daniel,
Thank you for your quick response. The details are here.
1. Selecting 'Ubuntu on Wayland' from the login screen. Do you now get
4K modes offered in Settings?
- I don't see any Wayland option. The max resolution at Display
Settings is 1080p.
2. Run:
grep . /sys/class/drm/*/m
Please try:
1. Selecting 'Ubuntu on Wayland' from the login screen. Do you now get
4K modes offered in Settings?
2. Run:
grep . /sys/class/drm/*/modes > kernel-modes.txt
and then attach the resulting text file here.
** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu)
** Changed i
Yes it looks like either the kernel driver or Xorg driver is failing to
expose 4K modes, which definitely should be available:
EDID version: 1.3
Manufacturer: SAM Model 3988 Serial Number 0
Made in week 41 of 2018
Digital display
Maximum image size: 70 cm x 39 cm
Gamma: 2.20
DPMS levels: Off
RGB c
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