Created attachment 933732 [details] abrt compressed tar Description of problem: "jackd -vd alsa" gives an assertion faied messages, then dumps core Version-Release number of selected component (if applicable): jack-audio-connection-kit-1.9.9.5-8.fc21.x86_64 How reproducible: Every time Steps to Reproduce: 1. Become root 2. jackd -vd alsa Actual results: assertion failed message Expected results: jack server should start Additional info: abrt backtrace (attached)
Created attachment 933915 [details] gdb traceback of "jackd -d alsa" Got it with just "jackd -d alsa"
I am wondering why you are running jackd as root. Is there a specific reason for doing this?
Created attachment 933942 [details] gdb of jackd as normal user Tried as normal user. I don't seem to get the backtrace, but then I get messages about not running with RT.
Maybe if you follow this guide you can sort out your RT. Particular /etc/security/limits.d https://fedoraproject.org/wiki/JACK_Audio_Connection_Kit
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