Configuring the Fedora-based DAW (Part 1)

A number of steps are necessary (or recommended)  to configure the system for use as a DAW.  This is part one of probably quite a few parts where I will discuss what I do as I attempt to set this up.

The first thing I did was to configure rtirq to prioritize the firewire driver.  By default, rtirq does not prioritize interrupts for firewire devices.  Since I have a Presonus Firebox, I need to change this.  This is quite simple to do.  I opened the file /etc/sysconfig/rtirq and added ohci to the value of the variable RTIRQ_NAME_LIST, right after the real time clock.  It now reads:

RTIRQ_NAME_LIST=”rtc ohci snd usb i8042″

After making this change, you just need to restart the service, and the interrupt threads will be re-prioritized as required.

The next change I made was to create a new group, called audio, and add my account to the group.  Now I can configure permissions of the firewire device to be accessible by the audio group, and I will be able to use it.  More on that in the next post.

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