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Old 08-08-2018, 09:52 AM   #15
Human being with feelings
Join Date: Oct 2009
Posts: 25

I just recently installed my first rt kernel (4.16.18-rt9-1-rt) on my Thinkpad X220 and have experienced a big improvement over the stock Arch kernel. I can now run my RME Babyface with a buffer size of 128 without any xruns whereas I would always get xruns with the stock kernel even at 256 frames. I haven't tried to go even lower because I don't feel the need. I haven't experienced any issues with the rt kernel when doing non audio computing.

And since I'm at it, disabling wifi has been the single most effective tweak to get fewer xruns independent from the kernel, even though it's not sharing any interrupts and all priorities are set as they should be.

So I would suggest: try an rt kernel (or use a distro that has one installed already)
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