[linux-audio-user] Low latency USB 1.1 card?
Frank Barknecht
fbar at footils.org
Wed Jun 15 06:34:51 EDT 2005
Hallo,
Clemens Ladisch hat gesagt: // Clemens Ladisch wrote:
> Frank Barknecht wrote:
> > > > 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?
I'm currently using the Debian kernel package 2.6.11-386, host
controller driver is uhci_hcd. Is there a way to disable bandwidth
checking at runtime, that is, without recompiling the kernel and using
some module option or similar?
Ciao
--
Frank Barknecht _ ______footils.org__
_ __latest track: "scans" _ http://footils.org/cms/show/41
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