Linux 7.0.1.4212: UI Breaks when multiple monitors connected

[RcandLegos]

Is there an existing issue for this problem?

• I have searched the existing issues

CrealityPrint Version

7.0.1.4212

Operating System (OS)

Linux

OS Version

Ubuntu 25.10

Additional system information

Lenovo ThinkPad P1 Gen 6

CPU: 13th Gen Intel® Core™ i9-13900H × 20
Memory: 64.0 GiB
GPU: Intel® Iris® Xe Graphics (RPL-P)
GPU1: NVIDIA RTX 5000 Ada Generation Laptop GPU
Kernel: Linux 6.17.0-23-generic

Printer

Creality K2 Plus

How to reproduce

1. Plug in external monitor
2. Open Creality Print
3. Try to navigate the UI

Actual results

Sometimes the UI glitches, slow response, pages are blank, etc.

Creality.Print.UI.with.Multiple.monitors.mp4

Expected results

I expect the program to run like it does with one display(smoothly with no graphics disappearing). It does seem that having the program open on my monitor on the left improves it, but sometimes the UI still messes up.

Project file & Debug log uploads

Crealtly Print Multi-monitor Issue.zip

Checklist of files to include

• Log file
• Project file

Anything else?

I will say this isn't just a problem with Creality Print, but also a problem with Orca Slicer, Bambu Studio, and Pursa Slicer. Cura works great.

[vdavy]

Seems to be right !
Is there any issue like this reported on Orca Slicder, Bambu and so on ?

[RcandLegos]

There seems to be multiple issues on Orca Slicer's github.
Here is a link to one of them: OrcaSlicer/OrcaSlicer#11849

I also found this on Pursa's github: prusa3d/PrusaSlicer#13524

I couldn't find a specific issue reported on Bambu studio.

[vdavy]

Thx !

I tried disabling monitors to keep only one enabled and it should working better.
Nevertheless very strange bug ...

[RcandLegos]

Apparently using Xorg fixes the issues, but I haven't tried Xorg yet.

[RcandLegos]

Guess what! I just updated to 26.04 and everything seems to be working great! I will say I have only been using it for about 5 minutes, so I will come back here with updates if issues arise.

[vdavy]

Xorg is not used anymore on Ubuntu 26.04. This needs to be upgraded to support Wayland, and it is not an option.

[RcandLegos]

You are correct, Xorg isn't supported on 26.04. But it was on 25.10. However, because I am no longer on 25.10 I guess I can't test Xorg. But like I said, it seems to be working fine in 26.04.