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Why are there sound glitches with Bluetooth audio in Linux when the BT and Wifi share the same chipset? (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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Recently, I ran into an issue where my bluetooth headphones suddenly got super glitchy when working from my parents house. I found out from the Arch Wiki (see Section 2.4.5) that the reason is that in my laptop the Bluetooth and Wifi are on the same card/chip.

I was able to mitigate by forcing my wifi to 5Ghz. But I am wondering the why behind this. I know BT and older wifi protocols operate in the same 2.4Ghz range. But as the wiki states, this is not a problem on Windows, only Linux. So it must be a driver thing? But for it to be not tied to any specific hardware in the wiki, is it just an architectural thing that can't be fixed in the kernel or something?

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[–] [email protected] 1 points 1 year ago (1 children)

I will have to run lshw to verify the chipset and I'm AFK all weekend. But I believe it's Intel ax20x.

That's fair that it's likely a specific hardware issue. But I find it interesting that the folks that wrote that blurb in the Arch wiki were so general about it. They make it sound like it's a general problem more than a specific hardware combo problem.

Maybe the author of that blurb just made it sound moreover general than it really is.

[–] [email protected] 1 points 1 year ago

The people that wrote that are responsible for the kernel. You can't get more general than the kernel. Other people are involved in the specifics.