Version-Release number of selected component: jack-audio-connection-kit-1.9.14-2.fc32 Additional info: reporter: libreport-2.12.0 backtrace_rating: 4 cgroup: 0::/user.slice/user-1000.slice/user/gnome-launched-swami.desktop-5590.scope cmdline: /usr/bin/jackd -T -ndefault -T -d alsa crash_function: Jack::JackLockedEngine::ClientKill executable: /usr/bin/jackd journald_cursor: s=9a56f150ce5d4fb2b9698552b41d1fd3;i=15ae;b=e1226fe206814ce6927aec7523c8b115;m=48d87473;t=5a46d3614bccf;x=a60356a28f038b9b kernel: 5.6.7-300.fc32.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 1000 Potential duplicate: bug 1173922
Created attachment 1682906 [details] File: backtrace
Created attachment 1682907 [details] File: core_backtrace
Created attachment 1682908 [details] File: cpuinfo
Created attachment 1682909 [details] File: dso_list
Created attachment 1682910 [details] File: environ
Created attachment 1682911 [details] File: limits
Created attachment 1682912 [details] File: maps
Created attachment 1682913 [details] File: mountinfo
Created attachment 1682914 [details] File: open_fds
Created attachment 1682915 [details] File: proc_pid_status
Created attachment 1682916 [details] File: var_log_messages
It seems related to the lack of real-time scheduling permission: [In var_log_messages]: Cannot use real-time scheduling (RR/20) (1: Operation not permitted) Try to add yourself to the jackuser group, then logout and login, and try again.
(In reply to Guido Aulisi from comment #12) > It seems related to the lack of real-time scheduling permission: > > [In var_log_messages]: Cannot use real-time scheduling (RR/20) (1: Operation > not permitted) > > Try to add yourself to the jackuser group, then logout and login, and try > again. Thank You! No more crashes.
Similar problem has been detected: just I have turn on the alsa mixer reporter: libreport-2.12.0 backtrace_rating: 4 cgroup: 0::/user.slice/user-1000.slice/user/gnome-launched-Add64.desktop-15472.scope cmdline: /usr/bin/jackd -T -ndefault -T -d alsa crash_function: Jack::JackLockedEngine::ClientKill executable: /usr/bin/jackd journald_cursor: s=de6507439fff406cb56f6d3ec4fc7e5c;i=ff69;b=c2e52b90d64a448d90d0f274b1b7b0dc;m=117054086;t=5a4e2541057f3;x=12b3763f46e5109e kernel: 5.6.8-300.fc32.x86_64 package: jack-audio-connection-kit-1.9.14-2.fc32 reason: jackd killed by SIGABRT rootdir: / runlevel: N 5 type: CCpp uid: 1000