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Old 02-17-2008, 02:31 PM
"Andre Costa"
 
Default PulseAudio and PolicyKit

Hi,

I am seeing this on /var/log/messages:

...
Feb 17 12:56:47 localhost pulseaudio[2741]: polkit.c: Failed to show grant dialo
g: Unable to lookup exe for caller
Feb 17 12:56:47 localhost pulseaudio[2741]: polkit.c: PolicyKit responded with '
auth_admin_keep_always'
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: Called SUID root and real-ti
me/high-priority scheduling was requested in the configuration. However, we lack
the necessary priviliges:
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: We are not in group 'pulse-r
t' and PolicyKit refuse to grant us priviliges. Dropping SUID again.
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: For enabling real-time sched
uling 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.
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: setrlimit(RLIMIT_NICE, (31,
31)) failed: Operation not permitted
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c:
setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
...

So, what should I do exactly to fix this?

Regards,

Andre

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Old 02-18-2008, 08:07 AM
Rahul Sundaram
 
Default PulseAudio and PolicyKit

Andre Costa wrote:

Hi,

I am seeing this on /var/log/messages:

...
Feb 17 12:56:47 localhost pulseaudio[2741]: polkit.c: Failed to show grant dialo
g: Unable to lookup exe for caller
Feb 17 12:56:47 localhost pulseaudio[2741]: polkit.c: PolicyKit responded with '
auth_admin_keep_always'
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: Called SUID root and real-ti
me/high-priority scheduling was requested in the configuration. However, we lack
the necessary priviliges:
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: We are not in group 'pulse-r
t' and PolicyKit refuse to grant us priviliges. Dropping SUID again.
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: For enabling real-time sched
uling 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.
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: setrlimit(RLIMIT_NICE, (31,
31)) failed: Operation not permitted
Feb 17 12:56:47 localhost pulseaudio[2741]: main.c:
setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
...

So, what should I do exactly to fix this?


There is nothing to fix unless you want real time audio.

Rahul

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Old 02-18-2008, 11:18 AM
"Andre Costa"
 
Default PulseAudio and PolicyKit

On Feb 18, 2008 6:07 AM, Rahul Sundaram <sundaram@fedoraproject.org> wrote:
>
> Andre Costa wrote:
> > Hi,
> >
> > I am seeing this on /var/log/messages:
> >
> > ...
> > Feb 17 12:56:47 localhost pulseaudio[2741]: polkit.c: Failed to show grant dialo
> > g: Unable to lookup exe for caller
> > Feb 17 12:56:47 localhost pulseaudio[2741]: polkit.c: PolicyKit responded with '
> > auth_admin_keep_always'
> > Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: Called SUID root and real-ti
> > me/high-priority scheduling was requested in the configuration. However, we lack
> > the necessary priviliges:
> > Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: We are not in group 'pulse-r
> > t' and PolicyKit refuse to grant us priviliges. Dropping SUID again.
> > Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: For enabling real-time sched
> > uling 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.
> > Feb 17 12:56:47 localhost pulseaudio[2741]: main.c: setrlimit(RLIMIT_NICE, (31,
> > 31)) failed: Operation not permitted
> > Feb 17 12:56:47 localhost pulseaudio[2741]: main.c:
> > setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
> > ...
> >
> > So, what should I do exactly to fix this?
>
> There is nothing to fix unless you want real time audio.
>
> Rahul

Thks for the info. So, the question now is: should I want it? ;-) I
mean, is there any noticeable improvement in sound quality, any
side-effects?

Regards,

Andre

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Old 02-18-2008, 11:29 AM
Rahul Sundaram
 
Default PulseAudio and PolicyKit

Andre Costa wrote:


Thks for the info. So, the question now is: should I want it? ;-) I
mean, is there any noticeable improvement in sound quality, any
side-effects?


Normal users have no need for it. It is only useful for professional
audio folks who work with music content, remix it and so on.


Rahul

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