Re: [Alsa-user] Audiotrak Maya 44 USB Soundcard
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From: Hiram A. <dom...@on...> - 2006-03-13 18:51:05
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> I checkveed dmesg, this message appears after each aplay's > unsuccesful attempt: > > cannot submit datapipe for urb 0, err = -38 > > What is this "urb 0"? I found this in the LAU archive from , pertaining to this error message: "> > > ALSA: could not start playback (Broken pipe) > > kernel: cannot submit datapipe for urb 0, err = -28 28 = ENOSPC: "This request would overcommit the usb bandwidth reserved for periodic transfers (interrupt, isochronous)." This doesn't seem to be quite correct for two 16-bit stereo streams. Which kernel and host controller driver are you using? Probably you should just deactivate bandwith checking in the kernel config. " This happened after Clemens advised Chris Eckert to try loading the snd-usb-audio with "nrpacks=1" and setting the period in jack to 3. But, I didn;t pass this argument with the snd-usb-audio and didn't set jack to use 3 periods. Would deactivating bandwidht checking work for me too, then? Hiram. -- http://www.egoboobits.net/HiramAbiff |