Public bug reported:
Binary package hint: pulseaudio
Real-time/high-priority scheduling is not working, I thought this is
what we want to test with the new pulseaudio 0.9.11.
$ pulseaudio --start -vvv
D: main.c: Started as real root: no, suid root: yes
I: main.c: Called SUID root and real-time/high-priority scheduling was
requested in the configuration. However, we lack the necessary priviliges:
I: main.c: We are not in group 'pulse-rt' and PolicyKit refuse to grant us
priviliges. Dropping SUID again.
I: main.c: For enabling real-time scheduling please acquire the appropriate
PolicyKit priviliges, or become a member of 'pulse-rt', or increase the
RLIMIT_NICE/RLIMIT_RTPRIO resource limits for this user.
I: main.c: Note that real-time/high-priority scheduling is NOT normally
required. If you experience crackling or other sound anomalies, consider one or
more of the above solutions.
I: main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted
I: main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
W: main.c: High-priority scheduling enabled in configuration but not allowed by
policy.
W: core-util.c: setpriority(): Permission denied
D: main.c: Can realtime: no, can high-priority: no
W: ltdl-bind-now.c: Failed to find original dlopen loader.
I: main.c: Daemon startup successful.
Maybe I am wrong but I think, that the "glitch-free" feature only works
if at least the realt-time scheduling is enabled.
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
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pulseaudio 0.9.11 ppa Luke real-time/high-priority scheduling not working
https://bugs.launchpad.net/bugs/265010
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