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KDE is an international technology team creating user-friendly free and open source software for desktop and portable computing. KDE’s software runs on GNU/Linux, BSD and other operating systems, including Windows.

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Plasma freezes during high disk activity (solved) (discuss.tchncs.de)

submitted 1 month ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

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I have a few dodgy cheap SSDs, so I'm not surprised by slow I/O performance in general. But my Plasma desktop frequently freezes for 1-3 seconds (including the cursor!) whenever there is high IO load, for example while installing a Steam game.

Updating the screen should be completely independent from I/O, shouldn't it? Is there anything I could've misconfigured in my Arch Linux? I'm running Plasma 6.1.4 in Wayland.

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[–] [email protected] 3 points 1 month ago

Years ago I had a similar problem that was resolved by changing the method of I/O scheduling.

https://www.techrepublic.com/article/how-to-change-the-linux-io-scheduler-to-fit-your-needs/

I'm not sure which one I used or if this is still relevant with modern Linux but it's something to look into that might help.