Re: [Jack-Devel] Tascam us-428

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Date	Mon, 05 Mar 2012 13:49:59 -0600
From	Jonathan Bennett <[hidden] at gmail dot com>
To	Clemens Ladisch <[hidden] at ladisch dot de>, [hidden] at lists dot jackaudio dot org
In-Reply-To	Clemens Ladisch Re: [Jack-Devel] Fwd: Tascam us-428
Follow-Up	Clemens Ladisch Re: [Jack-Devel] Tascam us-428

On Mon, Mar 5, 2012 at 1:31 PM, Clemens Ladisch <[hidden]> wrote:
> Jonathan Bennett wrote:
>> ALSA: cannot set hardware parameters for capture
>
> It's nice of Jack to keep the error code secret.
> Is there any error message in the system log ("dmesg | tail")?

Ah, good point. When trying to start jackd on hw:2,1 I get this:

[52198.984801] ALSA sound/usb/usx2y/usbusx2yaudio.c:307 Sequence
Error!(hcd_frame=30864 ep=8in;wait=30871,frame=30863).
[52198.984806] Most propably some urb of usb-frame 30871 is still missing.
[52198.984809] Cause could be too long delays in usb-hcd interrupt handling.

I'd really like to use all 4 channels on one soundcard, as I've had
less than stellar results with alsa_in and the like. Any thoughts on
why usbraw (hw:2,2) fails? (no dmesg associated with it, either)

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