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submitted 7 months ago by Lars@infosec.pub to c/linux@lemmy.ml

For a long time now, I've had audio drops and sometimes even keyboard input drops through my KVM switches.
When a drop occurs, all audio across all applications drop at once. If there's a video playing then it'll pause briefly. In a game, I just miss a second of audio with no video stuttering.
When I connect my USB speakers directly to my motherboard then the issue does not occur; only through the KVM switch. I was using this decent switch I got off Amazon but just replaced it with one from Level 1 Techs and the issue remained. I've tried different ports on the switches and my board as well.
The issue also only occurs on my Linux computer. When I switch over to my work laptop running Windows I don't have the issue.
I'm not seeing anything in journalctl that seems related after swapping KVM switches. With the old switch I was seeing logs like below but no longer see that with the new switch.

kernel: retire_capture_urb: 1 callbacks suppressed

My PC
CPU: AMD Ryzen 9 7950X
Motherboard: Asus PRIME X670E-PRO WIFI
Memory: G.Skill Ripjaws S5 64 GB (4 x 16 GB) DDR5-5600 CL28
GPU: Gigabyte GAMING OC Radeon RX 6900 XT 16 GB
Kernel: 6.8.1-arch1-1
DS: Wayland 1.22
DE: Gnome 45.0.1
AS: Pipewire
SM: Wireplumber

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[-] Lars@infosec.pub 2 points 7 months ago

I've tried various ports on the motherboard and when directly connected to the same ports that the KVM switch was then there was no issue. I've been wanting to replace my kinda crappy board anyways so maybe the new one will fix it whenever I get around to it. I think I'm going to try to just use 3.5mm cables instead of USB and hope it works fine over the KVM switch. Just ordered a few.

this post was submitted on 30 Mar 2024
21 points (100.0% liked)

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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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