[PD] ALSA "broken pipe" on pd-extended on Beaglebone?

Simon Iten itensimon at gmail.com
Tue Apr 29 17:23:52 CEST 2014

Alsa is only supposed to work with One application at a Time.

Am 29.04.2014 um 17:15 schrieb David Welch <nicederangement at gmail.com>:

> Hi all, 
> I am currently working on an embedded device made up of some hardware, Arduino, Beaglebone running Debian white with audio cape. I am attaching a pd file that works on a laptop. For the beaglebone, basically I change the serial port argument to "4" for [comport] but get a "Broken Pipe" error
> ALSA input error (restart failed): Broken pipe
> restarting input device from state 2
> ALSA output error (restart failed): Broken pipe
> But ALSA seems to be working okay as long as only 1  application tries to use it. I followed most of the directions here to get it working (http://www.csounds.com/journal/issue18/beagle_pi.html and http://puredata.info/docs/embedded/bbb/) I installed pd-extended by adding the repository to /etc/apt/sources.list with directions from here (http://puredata.info/docs/faq/debian). I know sound is okay: speaker-test works ok. pd-extended works including sound, at least for a simple patch (also attached).  Jack is not installed (doesn't seem necessary for single headless instance of pd-extended). 
> Hmm...any help would be greatly appreciated! 
> David Welch
> <musicalquilt_28Apr14.pd>
> <simple_PD_test.pd>
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