Try renaming it to audio.conf and relogin. On Sat, 13 Jan 2018 14:58:28 +0000 Benny Alexandar <ben.a...@outlook.com> wrote:
> Hi Len, > > I'm using jackdmp 1.9.12. I checked the > file /etc/security/limits.d/audio.conf, and is named as > audio.conf.disabled. How to enable this ? > > When I run my jack client standalone program, I could see the prints > as follows, > > ------------------ > jackdmp 1.9.12 > > JACK server starting in realtime mode with priority 10 > self-connect-mode is "Don't restrict self connect requests" > Cannot lock down 82280346 byte memory area (Cannot allocate memory) > creating alsa driver ... > hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit configuring for > 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods ALSA: > final selected sample format for capture: 32bit integer little-endian > ALSA: use 2 periods for capture ALSA: final selected sample format > for playback: 32bit integer little-endian ALSA: use 2 periods for > playback Cannot use real-time scheduling (RR/10)(1: Operation not > permitted) AcquireSelfRealTime error > Cannot lock down 82280346 byte memory area (Cannot allocate memory) > JACK server started > Cannot use real-time scheduling (RR/5)(1: Operation not permitted) > JackClient::AcquireSelfRealTime error > ----------------------------------- > > -ben > > > > ________________________________ > From: Len Ovens <l...@ovenwerks.net> > Sent: Friday, January 12, 2018 10:27 PM > To: Benny Alexandar > Cc: linux-audio-dev@lists.linuxaudio.org > Subject: Re: [LAD] Jackd & Real Time Kernel > > On Fri, 12 Jan 2018, Benny Alexandar wrote: > > > I just compiled simple_client.c and things starts to work. > > My doubt is do I need to install linux real-time kerel update for > > JACK. > > It depends... personally, I use the lowlatency kernel with no problems > using an ice1712 based PCI card audio interface. Your situation may > differ. > > > How do I know if jack is running real time, is it by checking for > > xruns ? > > Jack runs in real time mode by default. If you are running jackd2 > (version 1.9*) then check ~/.log/jack/jackdbus.log > > for the line: > Thu Dec 28 10:38:26 2017: JACK server starting in realtime mode with > priority 10 > > Otherwise the same line will appear in jackd terminal output when > started. > > Do note that part of the jackd instalation process sometimes gets > missed by some installers. There should be a file > /etc/security/limits.d/audio.conf If this is missing or named as > disabled, you may not be able to get jackd to start in realtime mode. > The two lines of importance in that file are: > @audio - rtprio 95 > @audio - memlock unlimited > Depending on your distro the group may be other than audio. > Whatever that group is, your user needs to be a part of it. Most > audio distributions get this right already (even ubuntustudio), but > non-audio distros generally need this to be fixed. After adding > yourself to the audio (or whatever) group you will need to logout and > back in before that will have any effect. > > -- > Len Ovens > www.ovenwerks.net<http://www.ovenwerks.net> > -- Joakim _______________________________________________ Linux-audio-dev mailing list Linux-audio-dev@lists.linuxaudio.org https://lists.linuxaudio.org/listinfo/linux-audio-dev