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Hey everyone
I was cleaning my room and had all the cables from my PC unplugged including power for about two hours. That’s when this weird issue started happening.
I login and I notice every couple of seconds my PC hangs for a micro second. Cursor stops, videos get stopped, games get stopped. The only thing that doesn't get stopped is audio, that continues as normal.
And to be clear the actual freeze is very short, maybe 0.05-0.1 seconds. But its noticeable, its persistent past reboot and its driving me crazy.
I’ve tried some troubleshooting steps and noticed some clues along the way:
- I dual boot with Windows and Windows does not have this issue
- While my system is running I disconnected and reconnected everything plugged into my PC, including powering off my monitors for 30 seconds to see if things would reconfigure by themselves.
- While my PC was not running anything, I was monitoring my GPU using watch -n 0.2 nvidia-smi --query-gpu=timestamp,pstate,utilization.gpu,clocks.gr,clocks.mem --format=csv
From this I noticed my GPU constantly loops from p0 to p3 to p5 and its utilization fluctuates with p5 bringing the utilization up to 90% sometimes and p0 keeping the utilization below 7-8%
- When I grab a window, drag it and then hold it in place, when the freeze happens the window goes back to its original location. The freeze basically cancels it. As if someone pressed Esc.
- I've ensured both my monitors and system are running on the same refresh rate
- I’ve tried reinstalling my nvidia driver. I also confirmed I’m using the right type of driver (nvidia-dkms instead of nvidia ) for the kernel I’'m running which is zen.This is according to the Arch wiki page
- I've tried using the regular Linux kernel but that didn't help
sudo journalctl -k -p err | grep "nvidia"
sudo journalctl -b | grep “nvidia”
Both of these commands produce no output
I’m puzzled on what’s going on here. Any help would be very much appreciated.
Last edited by Mc526 (2025-08-15 20:58:22)
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`inxi -Farz`
https://0x0.st/KrKp.txt
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Sooo I had a KVM plugged in (JetKVM) and although its USB cables were unplugged the HDMI was still connected and that was causing the issue. Problem solved!
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