this post was submitted on 11 Aug 2023
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Debian operating system

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Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian provides more than a pure OS: it comes with over 59000 packages, precompiled software bundled up in a nice format for easy installation on your machine.

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Screen Blink - what happened [Solved] (lemmy.one)
submitted 1 year ago* (last edited 1 year ago) by waspentalive@lemmy.one to c/debian@lemmy.ml
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[Solved by going to X11]

I am working with my Debian 12 system and suddenly the whole screen goes blank and comes right back. I am not sure what triggers it, it seems to happen when I am exiting a program, I think when It comes back any program I had running is gone now. This is very intermittent and does not happen very often.

Here as a start have a neofetch:

OS: Debian GNU/Linux 12 (bookworm) x86_64

Host: VivoBook_ASUSLaptop S5402ZA_S5402ZA 1.0

Kernel: 6.1.0-11-amd64

Uptime: 12 hours, 2 mins

Packages: 2361 (dpkg)

Shell: bash 5.2.15

Resolution: 2880x1800

DE: Plasma 5.27.5

WM: kwin

WM Theme: plastik

Theme: [Plasma], Breeze [GTK2/3]

Icons: [Plasma], breeze-dark [GTK2/3]

Terminal: konsole

Terminal Font: Hack 19

CPU: 12th Gen Intel i7-12700H (20) @ 4.600GHz

GPU: Intel Alder Lake-P Memory: 3406MiB / 11577MiB

I did journalctl -b - there is a crazy amount of detail in there.

If there is anything specific I can do, please let me know - I am more than a noob, but a lot of the time I only know just enough to be dangerous.

Thanks!

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[–] AutumnSpark1226 1 points 1 year ago

I can't tell you why but it seems like plasma crashed (-> screen black and all opened programs gone) and restarted (-> came back). That's what I can tell from your description. In your logs you can look for errors from plasma, kwin and maybe something with the gpu driver.