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To: 9fans@cse.psu.edu
From: David du Colombier <0intro@gmail.com>
Date: Sat,  3 Mar 2007 01:24:31 +0100
Subject: [9fans] usbaudio problem
Topicbox-Message-UUID: 174f0c58-ead2-11e9-9d60-3106f5b1d025

Hello,

I am trying to make my Edirol UM-1EX USB MIDI Interface working with
Plan 9.
usb/usbaudio is known to work successfully with Edirol UA-1X, which
is a similar, but older interface.

The problem: usbaudio does not create /dev/audio and /dev/audioin
files and crash when trying to access /dev/audioctl.

Here is what I have tried:

term% usb/usbd
term% usb/usbaudio
term% du -a /dev | grep audio
0   /dev/audioctl
0   /dev/audiostat
term% ls /dev/audioctl
148.4 strlen(a->s) < 1024: assertion failed
usbaudio 148: suicide: sys: trap: fault read addr=0x0 oc=0x00011804
ls: /dev/audioctl: i/o on hungup channel
term%

Do you have any idea to make Edirol UM-1EX working?

Thank you.

-- 
David du Colombier