Hi,
No, I cannot reproduce the issue on Ubuntu Cinnamon.
david@david-HP:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 26.04.1 LTS
Release: 26.04
Codename: resolute
System:
Host: david-HP Kernel: 7.0.0-38-generic arch: x86_64 bits: 64
Desktop: Cinnamon v: 6.4.13 Distro: Ubuntu Cinnamon 26.04.1 LTS (Resolute
Raccoon)
On Sun, Oct 4, 2026 at 10:05 PM Ross Porter <[email protected]>
wrote:
> Hi,
>
> Thanks for filing a bug report. Can you reproduce this on Ubuntu
> Cinnamon?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/2169398
>
> Title:
> Intel UHD 630: Cinnamon X11 black screen after login on 7.0.0-38;
> 7.0.0-34 works
>
> Status in linux-hwe-7.0 package in Ubuntu:
> New
>
> Bug description:
> Title: [Regression] Intel UHD 630: Cinnamon X11 black screen after
> login on 7.0.0-38; 7.0.0-34 works
>
> After updating the kernel from 7.0.0-34 to 7.0.0-38, the regular
> Cinnamon X11 session no longer starts correctly. The graphical login
> screen appears normally, but after entering my password, the screen
> becomes black with only a movable mouse pointer.
>
> Test results:
> - Kernel 7.0.0-38, regular Cinnamon (X11): black screen with movable
> pointer after login.
> - Kernel 7.0.0-38, Cinnamon on Wayland (experimental): desktop loads
> successfully.
> - Kernel 7.0.0-34, regular Cinnamon (X11): desktop loads successfully.
>
> Expected result:
> The regular Cinnamon desktop should load after login with kernel
> 7.0.0-38, as it does with 7.0.0-34.
>
> System:
> - Linux Mint 22.3 Zena, Cinnamon edition
> - Cinnamon 6.6.9
> - HP Pavilion Desktop 595-p0xxx
> - Intel CoffeeLake-S GT2 / UHD Graphics 630
> - Graphics PCI ID: 8086:3e92
> - Kernel graphics driver: i915
> - X.Org server: 21.1.11
> - X.Org driver: modesetting
> - Mesa: 25.2.8-0ubuntu0.24.04.2
> - OpenGL renderer: Mesa Intel UHD Graphics 630 (CFL GT2)
> - Monitor: LG HDR WFHD, connected via HDMI
> - Resolution: 2560 × 1080
>
> Steps to reproduce:
> 1. Boot kernel 7.0.0-38.
> 2. Select the regular Cinnamon X11 session at the login screen.
> 3. Enter the account password.
> 4. Observe a black screen with a movable mouse pointer.
>
> Workaround:
> Boot kernel 7.0.0-34 and use the regular Cinnamon session.
>
> This was tested on Linux Mint, not Ubuntu itself. The kernel
> comparison suggests a regression, but I have not confirmed whether the
> underlying fault is in i915, X11, or Cinnamon.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/linux-hwe-7.0/+bug/2169398/+subscriptions
>
>
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2169398
Title:
Intel UHD 630: Cinnamon X11 black screen after login on 7.0.0-38;
7.0.0-34 works
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-7.0/+bug/2169398/+subscriptions
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