Not a serious issue. # pacman -Syu rtirq [snip] ==> This script works only in conjunction with a realtime kernel. [snip] It at least does work with full preempt kernels + threadirqs too. Regards, Ralf PS: Apologize, but I don't know if you're following arch general, that's why I "cc"ed it. # pacman -Qil rtirq Packager : Bernardo Barros