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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Secondary Monitor Glitching on KDE Wayland (open source Nvidia driver) (sopuli.xyz)

submitted 10 months ago* (last edited 10 months ago) by timkenhan@sopuli.xyz to c/linux@lemmy.ml

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Hi everyone, I've neen having this issue when running KDE wayland with multiple screen on my Thinkpad W530. I'm using the nouveau driver.

The primary monitor is fine, but the secondary one is glitching.

This is tested on Gentoo as well as Debian. I know it's not hardware issue because it runs fine on X11.

Anyone have any idea about this issue?

Edit: I should probably mention that I was using DisplayPort in the photo, but I also tried VGA and it gave the same result.

Edit1: I was able to narrow down the problem somewhat. Switching the BIOS setting to "Discrete only" for the GPU (thanks coreboot!) seems to make the glitching go away! This means the Optimus would be to blame.

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[–] tkk13909@sopuli.xyz 8 points 10 months ago

I have had the exact same issue and I've been looking for a solution. If you really need the second monitor then you can just switch to the x11 session as a temporary fix but I have no idea what actually causes it.