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Cannot Use Real-time Scheduling Fifo At Priority 10 Jack

Review your favorite Linux distribution. Thanks in advance! AndyDap (gate2a) wrote on 2010-03-18: #12 I´m no linux expert by any stretch but the ´sudo´ commands mentioned above appear wrong to me (John Seales refers to them). As I understand it, the command is invoking superuser/root authority (sudo) and then doing it again with su (super user). weblink

This is maddening. cannot unlink `/dev/shm/jack-1000/default/jack_0' (Is a directory) cannot remove `/dev/shm/jack-1000/default' (Directory not empty) cannot use real-time scheduling (FIFO at priority 10) [for thread 857065216, from thread 857065216] (1: Operation not permitted) cannot All of these settings should be taken care of automatically. [email protected] Discussion: [Jackit-devel] cannot use real-time scheduling (FIFO at priority 10) (too old to reply) '2+ 2007-12-05 14:41:35 UTC PermalinkRaw Message moved to fluxbuntualsa is working okay < tested with mpg321,ogg123,play,aplayam http://www.jackaudio.org/faq/linux_rt_config.html

From the desktop to the data center, Linux is goingmainstream. floogyJune 2nd, 2010, 05:28 PMI created the folders according to this: http://ubuntuforums.org/showpost.php...66&postcount=5 But I figured out that they are created by jackd. Logout and back in None of the changes you have made above will have any effect until you logout and back in. 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

  1. 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.
  2. I'm having the same issue as that listed in the bug report.
  3. Daniel T Chen (crimsun) wrote on 2008-12-27: #7 Part of the problem with modifying limits.conf for all Ubuntu [not Ubuntu Studio, per se] users concerns sane security defaults, which means preventing
  4. Join our community today!
  5. Find More Posts by rweaver 01-21-2010, 03:20 PM #5 pettermk LQ Newbie Registered: Jan 2010 Location: Stavanger, Norway Distribution: Slackware Posts: 4 Original Poster Rep: This is the output
  6. or something like thatNow, I am asking myself: how could we solve this for all the users?
  7. Makes me feel like set_rlimits is not doing it's job.
  8. Now everything is working fine again.
  9. I guess I had to start jack first… If jack is already started I get a connection error: connect(17, {sa_family=AF_FILE, path="/dev/shm/jack-1000/default/jack_0"}, 110) = -1 ECONNREFUSED (Connection refused) close(17) thorgalJune 2nd, 2010,

dreamtheater View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by dreamtheater 11-27-2005, 10:52 PM #2 tkedwards Senior Member Registered: Aug 2004 Location: Search this Thread 01-20-2010, 05:16 AM #1 pettermk LQ Newbie Registered: Jan 2010 Location: Stavanger, Norway Distribution: Slackware Posts: 4 Rep: Realtime scheduling permission for user Hi all, I If starting jack with realtime priority as root work, you just have to find out how to give your user the permission to use realtime scheduling. I dont knowcat /etc/limits.conf | grep audio#@audio - rt_priority 100#@audio - nice -10#@audio - memlock [email protected] - rtprio [email protected] - memlock [email protected] - nice -10|| (See|https://bugs.launchpad.net/ubuntu/+source/jack-audio-connection-kit/+bug/108718 )|| Pierre Souchay|What could it

I've installed kernel-multimedia-2.6.12-12.mm.1mdk for Mandriva 2006. I'll post if I ever find out what the was on about. You do this by selecting your user - edit - groups - put a check mark in the box for audio. 2. https://ubuntuforums.org/archive/index.php/t-1499772.html Editing the configuration file If your system has no directory called /etc/security/limits.d then you will need to edit /etc/security/limits.conf.

So in Mandriva 2006 it's 3 easy steps to get jack working in realtime mode: 1. rweaver View Public Profile View LQ Blog View Review Entries View HCL Entries Visit rweaver's homepage! Let it simplify your IT future.http://altfarm.mediaplex.com/ad/ck/8857-50307-18918-4_______________________________________________Jackit-devel mailing listhttps://lists.sourceforge.net/lists/listinfo/jackit-devel--'2+http://micro.ispretty.com-------------------------------------------------------------------------SF.Net email is sponsored by:Check out the new SourceForge.net Marketplace.It's the best place to buy or sell services forjust about anything Open Source.http://sourceforge.net/services/buy/index.php 2 I might have to purge it, because jack starts from the commandline using alsa: ~$ jackd -d alsa -r jackd 0.118.0 [...] Memory locking is unlimited - this is dangerous.

Please checkthe messages window for more info.JACK tmpdir identified as [/dev/shm]doingjackd -R -dalsa -Salso gives a similar errorat ubuntu jack was doing okaycan someone figure out what is going wrong?--'2+http://micro.ispretty.com-------------------------------------------------------------------------SF.Net email I've installed kernel-multimedia-2.6.12-12.mm.1mdk for Mandriva 2006. at the end. So, correct me if I´m wrong but I think this would work: sudo echo ´@audio - rtprio 99´ >> /etc/security/limits.conf sudo echo ´@audio - memlock 250000´ >> /etc/security/limits.conf sudo echo ´@audio

Instructions are currently hidden at: https://help.ubuntu.com/community/Ubuntu%20Studio%20Upgrade%20from%20Ubuntu under the heading "Configuration Modifications". have a peek at these guys This approach opposes what the ubuntustudio-default-settings package does. Visit the following links: Site Howto | Site FAQ | Sitemap | Register Now If you have any problems with the registration process or your account login, please contact us. You signed out in another tab or window.

You need to do 2 things. https://help.ubuntu.com/community/UbuntuStudioPreparation?action=diff&rev2=21&rev1=20 I didn't add this line, and I'm getting the "cannot lock down memory" error. I'll try that again according this thread: http://ubuntuforums.org/showpost.php?p=3471266&postcount=5 Now I get: JACK compiled with System V SHM support. check over here 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 compiled with System V

resuming interrupted call ...>jackd 0.118.0 Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn and others. Thanks in advance! For this reason, jackd is compiled with RT support disabled by default (but can be enabled at runtime via cli parameter).

I'm using Hardy.

That doesn't help. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. You need to carry out 3 steps to be able to run JACK with RT scheduling. From the desktop to the data center, Linux is goingmainstream.

dpkg-reconfigure -p high jackd comments the @audio - nice -19 out. The time now is 03:17 PM. Install the multimedia kernel from the contrib packages. http://optimisersonpc.com/cannot-use/cannot-use-real-time-scheduling-fifo.html I get the "cannot use real-time scheduling (FIFO at priority 10)" error.

Both of them need to be done as root. 1. hw:0|hw:0|512|2|48000|0|0|nomon|swmeter|soft-mode|32bitcontrol device hw:0configuring for 48000Hz, period = 512 frames (10.7 ms), buffer = 2periodsALSA: final selected sample format for capture: 16bit little-endianALSA: use 2 periods for captureALSA: final selected sample format Contact Us - Advertising Info - Rules - LQ Merchandise - Donations - Contributing Member - LQ Sitemap - Main Menu Linux Forum Android Forum Chrome OS Forum Search LQ I completely stuck on that issue.

The ´>>´ changes that to appending that echo to the end of the two files in /etc/security. linuxpyro Linux - Software 3 04-08-2004 08:04 PM All times are GMT -5. For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. The error persists.

rweaver View Public Profile View LQ Blog View Review Entries View HCL Entries Visit rweaver's homepage! BTW: I changed the qjackctl to this now (This isn't related to the error): ~$ cat `which qjackctl` #!/bin/sh PATH=/bin:/usr/bin:/sbin:/usr/sbin QJACKCTL=$(which qjackctl.bin) PULSEAUDIO=$(pgrep -f pulseaudio > /dev/null) #if $PULSEAUDIO; then # Please note that installing the ubuntustudio-default-settings package modifies limits.conf as per necessary. I: module.c: Unloading "module-device-restore" (index: #0). [...] ~$ grep audio /etc/security/limits.conf #@audio - rtprio 99 #@audio - memlock unlimited #@audio - nice -10 @audio - rtprio 99 @audio - memlock 2319054

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