FardinDecember 8th, 2010, 05:41 PMThank you both: Chris & Pablo :popcorn: Powered by vBulletin Version 4.2.2 Copyright © 2016 vBulletin Solutions, Inc. If so, how do u do that? During installation, I was asked if I wanted lock down memory. Running:$ jackd -R -dalsa I get:jackdmp 22.214.171.124 Copyright 2001-2005 Paul Davis and others. this contact form
sudo su -c 'echo @audio - rtprio 99 >> /etc/security/limits.conf' sudo su -c 'echo @audio - memlock 250000 >> /etc/security/limits.conf' sudo su -c 'echo @audio - nice -10 >> /etc/security/limits.conf' Is I read on jack articles that I need to edit /etc/security/limits.conf. Down-voting might cost you karma, but you should consider doing so for incorrect or clearly detrimental questions and answers. sudo dpkg-reconfigure -p high jackd2 If you still are experiencing problems comment, I'll follow up.
It should be one or the other. The actual name of the group is completely irrelevant. 1. Now, check that you have said privileges: ulimit -r -l Cheers! Where did you get JACK (OS package, compiled it yourself, …)?
No sound after switching to VT2 USB Headphones - Volume too loud, or audio profile missing kdenlive in Fedora 16 Ask Fedora is community maintained and Red Hat or Fedora Project at the end. Some distributions’ JACK packages will configure things more or less correctly for you, but in almost every case, some work is required. other cchhrriiss121212December 4th, 2010, 09:47 PMGedit is just a text editor, so replace it with whatever editor Xubuntu comes with or just install gedit then try again.
This isn't the kind of thing that Ubuntu users want to mess with. "For this reason, jackd is compiled with RT support disabled by default (but can be enabled at runtime It seems like very few people can actually get it running. Slate theme maintained by Jason Costello Log in / Register Ubuntu Studio Overview Code Bugs Blueprints Translations Answers Ardour 3 - Jack can't use real-time scheduling (RR/5) Bug #1422682 reported by This is maddening.
Because it doesn't. https://ask.fedoraproject.org/en/question/60961/how-to-start-jackd-with-realtime-scheduling-under-fedora-21/ This site is not affiliated with Linus Torvalds or The Open Group in any way. Error: Jack: Cannot Use Real-time Scheduling (rr/5)(1: Operation Not Permitted) Top Pablo Establlshed Member Posts: 1162 Joined: Thu Apr 17, 2008 9:57 pm Re: Problems with rtprio Quote Postby Pablo » Thu Oct 28, 2010 8:34 pm Hi, I think that AFAICT the idea that messing with niceness was relevant to latency is one of those baseless rumors that spreads like wildfire around the Internet from time to time.
I tried adding the rtprio and nice options to limits.conf myself and then rebooting, but I still get the error. http://sonoportal.net/cannot-use/cannot-use-real-time-scheduling-fifo.html Systems using PAM PAM (Pluggable Authentication Modules) are used by almost all modern Linux distributions nowadays to handle various tasks related to granting a user permission to do something (e.g. When I start jack from the command line it works fine: $ /usr/bin/jackd -R -P89 -dalsa -dhw:0 -r44100 -p128 -n3 jackdmp 126.96.36.199 Copyright 2001-2005 Paul Davis and others. hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit Using ALSA driver HDA-Intel running on card 0 - HDA Intel at 0xdfebc000 irq 42 configuring for 44100Hz, period = 1024 frames (23.2 ms), buffer = 2 periods ALSA: final
Content on this site is licensed under a CC-BY-SA 3.0 license. Modern versions of JACK request RT scheduling by default, though it can be disabled with the -r option. jackdmp 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 server starting in realtime navigate here To do this, you just need to run these commands: sudo su -c 'echo @audio - rtprio 99 >> /etc/security/limits.conf' sudo su -c 'echo @audio - memlock 250000 >> /etc/security/limits.conf' sudo
Output of grep pam_limits.so /etc/pam.d/*/etc/pam.d/crond:session required pam_limits.so /etc/pam.d/polkit-1:session required pam_limits.so /etc/pam.d/system-auth:session required pam_limits.so /etc/pam.d/system-services:session required pam_limits.soWhen appending the following to /etc/pam.d/su I can get it to work if I open a It worked a few weeks ago; not sure what's changes since then –redmoskito Jan 16 '11 at 23:16 @redmoskito: Why are you running such an outdated distro? If you prefer, you can carry out these two steps using the graphical tools that are available under the “System Adminstration” section of your desktop’s main menu, but this text-based method
Top lorenzosu Posts: 1 Joined: Fri Oct 10, 2008 8:02 am Re: Problems with rtprio Quote Postby lorenzosu » Thu Nov 17, 2011 1:18 pm After more than 1 year this The -c has something to do with applying some sort of user parameter, rather than roots (not sure on that). I start JACK without starting the JACK server. Kind regards.
Thank you very much for your help. However, many if not most Linux distributions do not allow applications run by ordinary users to request RT scheduling by default. madeinfamousDecember 4th, 2010, 08:09 PMreallo fardin, i see you're in xubuntu, maybe it's a little different, just wait a little, someone way better than me will hopefully pass and give a his comment is here Carlo Zitat von Lucas Alberto Santos
Ultimately, the only way to find out if your system is configured properly is to run JACK with RT scheduling and see if it works. Any new user created after that will have to be added to the audio > group. Is Ubuntu Studio meant for musicians or for computer scientists? If you follow all these steps carefully and they do not work, you should review the information over here and consider whether this may apply to your system.
What exact commands did you run? –Gilles Dec 21 '10 at 20:14 Debian Lenny, from repos. Thanks sudo dpkg-reconfigure -p high jackd2 worked fine. If you are using a distribution that has already created the group and configured the “limits” file, you will need to determine the name of the group (it is likely called I did not choose that.
I get: 23:09:22.730 Patchbay deactivated. 23:09:22.765 Statistics reset. We're glad you're here!
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