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Software - jackd is not running in realtime modus anymore (after d-u)

nowhiskey - 09.09.2015, 00:53
Post subject: jackd is not running in realtime modus anymore (after d-u)
hallo everyone,

after the recent d-u i did, jackd want start in rt mode anymore:

      Code:
nowhiskey@murija7:~/Desktop$ /usr/bin/jackd -p1024 -t5000 -dalsa -dhw:0 -r48000 -p512 -n3
jackd 0.124.1
Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn and others.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details


JACK is running in realtime mode, but you are not allowed to use realtime scheduling.

After applying these changes, please re-login in order for them to take effect.

You don't appear to have a sane system configuration. It is very likely that you
encounter xruns. Please apply all the above mentioned changes and start jack again!
nowhiskey@murija7:~/Desktop$


when trying to start w/out rt, jackd runs happily.

i was in ardour irc today talking to paul davis, the developer of jackd, and he tried to investigate the issue. but he only found out that everything is looking allright, and something is blocking the user from using the realtime sheduling. he was not able to find out what it is.

here jackd is running rt for about 10 years w/out problems. so i am pretty sure that the issue is not about any user setting (audio group, memlock, limits.conf or such) but some much more fundamental issue of the system.

if someone has an idea, let me know. i also can join the irc and we meet there.

cheers,

doc
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