Hello, On 15-01-2024 17:28, Jeremy Jongepier wrote:
Talking about USB, going lower than 64 frames/period floods dmesg with the following messages:[ 1223.745771] retire_capture_urb: 2362 callbacks suppressed[ 1223.759483] xhci_hcd 0000:66:00.4: WARN Event TRB for slot 1 ep 5 with no TDs queued?Is there anything I could do about that or is this the very limit this system can handle? No problem anyway since I barely run lower than 128 frames/period normally and even at 64 this system is pretty stable with bigger projects. But I just like to know how low this notebook can go. It's an AMD Ryzen 7 system so USB controllers are from AMD (USB ID's are 1d6b:0002/0003)
I've resolved this by passing implicit_fb=1 to the snd-usb-audio driver. I can now go as low as 1ms systemic latency without choppy audio or the logs filling up.
Best, Jeremy
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