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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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Experiencing Audio Cutting Out in Proxmox VE Windows 11 VM (lemm.ee)

submitted 9 months ago by lemmylem@lemm.ee to c/linux@lemmy.ml

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Hello, I'm using a Windows 11 VM on Proxmox VE, and my audio keeps cutting out. I use GPU passthrough with my NVIDIA 2080 SUPER for gaming, but I don't know where this issue is coming from. I've switched audio devices, but the issue persists. The audio cuts out for a few seconds, then comes back. I updated Windows to the latest version, uninstalled and reinstalled the USB Composite Device in Device Manager (using a USB to 3.5mm audio jack).

I don't believe I experienced this issue before. This build uses a Librebooted Dell T1650 motherboard which uses SeaBIOS. Maybe I need to switch OVMF (UEFI) to SeaBIOS in the VM? Not sure what's going on. This is a recently created VM, and the only things installed are my Steam games and nothing else. Any help is appreciated!

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[–] skysurfer@lemmy.world 1 points 9 months ago* (last edited 9 months ago) (3 children)

I wonder if there is something going on with scheduling waits that is impacting the audio process. I would first try upping the CPU units in Processors->Advanced settings for the VM, bump it to something like 200. Otherwise, if you over subscribing your CPU cores, try temporarily dropping the number of cores subbed out to your VMs to match the physical host to see if it helps, since that could help resolve scheduling issues as well.

[–] lemmylem@lemm.ee 2 points 9 months ago* (last edited 9 months ago) (1 children)

This was the issue! I enabled SMT and set my CPU cores on the VM from 4 to 8 cores and it fixed it. Thank you so much for the advice!

[–] skysurfer@lemmy.world 2 points 9 months ago

Awesome, glad that helped and thanks for the update!

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