[LAU] Trying to run jackd from udev

[Jeremy Jongepier]

On 04/06/2013 07:09 AM, tweed wrote:
> @Jeremy
> This kinda reminds me of what happens when I run a script from udev.  the
> rule is for a usb audio device. the script runs an amixer command to set
> device name and volume level, then runs jack.  if I then run qjackctl
> manually it doesn't 'see' jack running.  a quick look in qps showed that
> jackd is running as root.  been banging my head against the wall trying to
> figure out how to run the script as my_user instead of root.  not sure if
> this is in the neighborhood of what you're experiencing.
> udev rule:
> SUBSYSTEM!="sound", GOTO="90_my_usbaudio_end"
> ACTION!="add", GOTO="90_my_usbaudio_end"
> DEVPATH=="/devices/pci0000:00/0000:00:1d.2/usb6/6-1/6-1:1.0/sound/card?",
> ATTR{id}="UsbAudio", RUN+="/home/my_user/.Amixer/AmixerUsb.sh"
> LABEL="90_my_usbaudio_end"
> AmixerUsb.sh:
> #!/bin/sh
> /usr/bin/jackd -dalsa -d hw:3 -r44100 -p1024 -n2
> amixer -c 3 -- sset Speaker 10%
> tweed

Hello tweed,

I'm experiencing something different because the weird thing is that 
JACK runs as my user. But I'm going to try setting up something else, I 
can't find any solution anywhere regarding my issue. Also my SD card got 
corrupted so had to start from scratch again.

Jeremy