[PlanetCCRMA] jack_capture with jack 1.9.4 complains about nice value of "-10", wants "-20"

Simon Lewis simon.lewis at slnet-online.de
Wed Jun 23 10:54:38 PDT 2010

Hi Fernando,

I guess I'm just sitting on the side-line watching the e-mails going by 
and really not understanding much  - are these settings made by default 
when installing the planetccrma core apps? This is just the sort of 
thing where I wish there was a nice tool with GUI for the average user 
to make the most out of the linux and the hardware being used.

btw: I have just read your paper "Openmixer: a routing mixer for 
multichannel studios" <http://lac.linuxaudio.org/2010/papers/36.pdf- all 
very impressive and I never realised that you could connect so many 
different commercial interfaces even blue-ray players for decoding 
surround sound to linux based pcs and they work!


Am 23.06.2010 10:12, schrieb Kjetil S. Matheussen:
> On Tue, 22 Jun 2010, Fernando Lopez-Lezcano wrote:
>>> However, for some reason, fedora only allows normal processes
>>> to set nice value to -10! That doesn't make very much sense
>>> if you are allowed to set processes to run with a realtime
>>> priority. So that's the reason for the warning. The solution
>>> to get rid of the warning is to fix the /etc/security/limits.conf
>>> file.
>> Or to query what is the maximum negative SCHED_OTHER priority you are
>> allowed to use and use that (I know that is possible with realtime
>> SCHED_FIFO, you can query what are the max and mix values allowed,
>> hopefully that would also be possible with SCHED_OTHER).
> Of course! Thanks, I forgot about those.
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