> With a rt kernel, you can setup both the hardware priorities and the software > priorities. That mean that tasks accessing some hardware, the sound card, will > have the priority over the other tasks, and that tasks executed by a given > user > or group [the audio group] will have priority over the other. rtirq will dot > that for you. Just emerge it and add it into the default run level.
Is jack necessary for me then? What I want to do is use my USB DAC and mpd (music player app) in real time. Maybe jack is necessary if I want to know *how* real time it is? > Be aware that if you don't really need a rt kernel, it is best to not use it, > because such a kernel can cause compilation failures with gcc. > http://bugs.gentoo.org/show_bug.cgi?id=190462 > http://bugs.gentoo.org/show_bug.cgi?id=20600 > For that raeson, if you want to use a rt kernel, it is good practice to have > another kernel of the same version, vanilla or gentoo sources, and reboot on > this non rt kernel when using emerge. I noticed this when trying to emerge nvidia-drivers. Thanks, Grant
