Public bug reported:
I have a mini-PC with an Intel N5105 Celeron CPU and a Jasper Lake 24
GPU ("Gen11"). It is connected with HDMI to a Hisense 4K TV. Up until
recently, I had no problem installing Kubuntu 22.04 and setting its
display resolution to 1280x720. I would see my normal desktop with the
panel at the bottom.
Now if I select any resolution <4K the screen is distorted vertically
and the panel does not appear at the bottom. I've tried both 1920x1080
and 1280x720 and had the same problem. Tried a couple of 4:3 options;
they didn't help.
I then tried Kubuntu 23.04 and 23.10. The problem persists with both
these distributions which leads me to think it may be a problem with the
graphics driver.
1) Kubuntu 22.04.2
2) xserver-xorg-video-intel:
Installed: 2:2.99.917+git20210115-1
Candidate: 2:2.99.917+git20210115-1
Version table:
*** 2:2.99.917+git20210115-1 500
500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
100 /var/lib/dpkg/status
3) Desktop should fit the screen properly at an 16:9 resolution.
4) Screen appears too tall to fit the desktop. The Panel is off the
screen below the bottom.
** Affects: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided
Status: New
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Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/2026603
Title:
distorted display on 4K TV with xserver-xorg-video-intel
Status in xserver-xorg-video-intel package in Ubuntu:
New
Bug description:
I have a mini-PC with an Intel N5105 Celeron CPU and a Jasper Lake 24
GPU ("Gen11"). It is connected with HDMI to a Hisense 4K TV. Up until
recently, I had no problem installing Kubuntu 22.04 and setting its
display resolution to 1280x720. I would see my normal desktop with the
panel at the bottom.
Now if I select any resolution <4K the screen is distorted vertically
and the panel does not appear at the bottom. I've tried both 1920x1080
and 1280x720 and had the same problem. Tried a couple of 4:3 options;
they didn't help.
I then tried Kubuntu 23.04 and 23.10. The problem persists with both
these distributions which leads me to think it may be a problem with
the graphics driver.
1) Kubuntu 22.04.2
2) xserver-xorg-video-intel:
Installed: 2:2.99.917+git20210115-1
Candidate: 2:2.99.917+git20210115-1
Version table:
*** 2:2.99.917+git20210115-1 500
500 http://us.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
100 /var/lib/dpkg/status
3) Desktop should fit the screen properly at an 16:9 resolution.
4) Screen appears too tall to fit the desktop. The Panel is off the
screen below the bottom.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/2026603/+subscriptions
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