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rtirq update - 2024 second edition

Hi all!

A new update to rtirq is out:

  • Added "snd-usb" keyword. (EXPERIMENTAL)
  • Version 20240220.

Packages are here available and also from the repos:


Note that the rtirq init-script/systemd-service makes sense only on real-time preemptive (PREEMPT_RT) or threadirqs enabled GNU/Linux kernels.


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rncbc's picture

some clarification is due on the new keyword usage, iif you care for your class-compliant USB-Audio soundcard prioritization, specifically:

  1. add the snd-usb keyword to RTIRQ_NAME_LIST on the existing configuration file (/etc/rtirq.conf) or accept the new default, as follows:

    RTIRQ_NAME_LIST="snd snd-usb i8042"

  2. (optional) to cope with (hot-)pluggin in or out the stuff, you'll probably need a new udev rule; depending on your particular distro, the following will do:

    cat<<_Eof1 | sudo tee /etc/udev/rules.d/99-rtirq.rules 
    ACTION=="add|remove", SUBSYSTEM=="sound", KERNEL=="card*", RUN+="/usr/bin/systemctl restart rtirq.service"

hth. cheers

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