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Cannot Use Real-time Scheduling Fifo At Priority 10

some process (apparmor?) I don't know what deleted my @audio lines. 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 I'm not sure about the rest, but you might have more luck with alsa bridge+jack than pulse+jack. cannot use real-time scheduling (FIFO at priority 10) [for thread -1210534208, from thread -1210534208] (1: Operation not permitted) cannot create engine Seems to me the limits are not being set? have a peek here

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 # at the end. so... or something like thatNow, I am asking myself: how could we solve this for all the users? http://www.jackaudio.org/faq/linux_rt_config.html

I'm having the time of my life with UbuntuStudio. > > Carlo > > > Zitat von Lucas Alberto Santos

I've installed kernel-multimedia-2.6.12-12.mm.1mdk for Mandriva 2006. Running as root seems to work fine, but I need to be able to run as user (paranoia and convenience). pulseaudio -vvv [...] Memory locking is unlimited - this is dangerous. pettermk View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by pettermk 01-21-2010, 03:41 PM #6 rweaver Senior Member Registered: Dec 2008 Location:

If this group name already exists, pick a different name and use it instead of “realtime” when following the rest of these instructions. You need to edit the file /etc/limits.conf => there will be a line that says @audio - realtime priority 50 ( or something like that) you need to change that 50 You should probably alter the line: @audio - memlock unlimited in your /etc/limits.conf to read: @audio - memlock 2319054 JACK compiled with System V SHM support. https://ubuntuforums.org/archive/index.php/t-1499772.html With strace I found this line before the error line: connect(17, {sa_family=AF_FILE, path="/dev/shm/jack-1000/default/jack_0"}, 110) = -1 ENOENT (No such file or directory) That's true, but I tried to create that directory

I'll post if I ever find out what the was on about. A user can then create a ~/.jackdrc including the appropriate jackd invocation with the realtime option. However, many if not most Linux distributions do not allow applications run by ordinary users to request RT scheduling by default. All of these settings should be taken care of automatically.

Connection failure: Connection refused cchhrriiss121212June 2nd, 2010, 03:30 PMDo I have to log out every time I changed /etc/security/limits.conf and log back in to make the changes take effect? navigate here 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 I also ran this program I found somewhere on the internet, it's supposed to check for realtime permissions, Code: #include #include int main(){ struct sched_param par={0}; par.sched_priority=99; if((sched_setscheduler(0,SCHED_FIFO,&par)!=0)) printf("Not And today I noticed that my changes in limits.conf were altered to nothing by something e.g.

Search this Thread 11-27-2005, 06:20 AM #1 dreamtheater Member Registered: Feb 2004 Posts: 44 Rep: JACK audio in realtime mode ... http://homeshareware.com/cannot-use/cannot-use-real-time-scheduling-fifo-at-priority-10-for-thread.html View on GitHub Home | Applications | FAQ | WIKI | API | Downloads | Community Network How do I configure my linux system to allow JACK to use realtime scheduling? See full activity log To post a comment you must log in. Thomas E Jenkins (thomas-jenkins) wrote on 2009-07-11: #9 Did you try ubuntustudio-controls?

Join our community today! floogyJune 2nd, 2010, 03:36 PMI already did that (logout) because I wasn't sure about it. dreamtheater View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by dreamtheater 12-07-2005, 01:56 PM #4 darc26 LQ Newbie Registered: Apr 2004 Posts: Check This Out Are you new to LinuxQuestions.org?

You do this by selecting your user - edit - groups - put a check mark in the box for audio. 2. Carlo Zitat von Lucas Alberto Santos

Instructions are currently hidden at: https://help.ubuntu.com/community/Ubuntu%20Studio%20Upgrade%20from%20Ubuntu under the heading "Configuration Modifications".

EDIT: Ok, this prevents qjackctl to give the "too many arguments" or "unary operator expected" error: /usr/bin/qjackctl: line 12: [: too many arguments $ diff -u qjackctl.orig qjackctl --- qjackctl.orig 2010-06-02 On my debian machines (pulseaudio-free), all /dev/shm/jack* is owned by me (not root or other user / group than mine). 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 I today worked on the qjackctl startscript because it failed on line 12 with an error message /usr/bin/qjackctl: line 12: [: too many arguments It looks now like this (I'm not

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: Click Here to receive this Complete Guide absolutely free. I dont knowcat /etc/limits.conf | grep [email protected] - rtprio [email protected] - memlock [email protected] - nice -10I had something similar and was totally stuck until I found out I hadRealtime-Group-Scheduling set. http://homeshareware.com/cannot-use/cannot-use-real-time-scheduling-fifo-at-priority-10-jackd.html 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.

Mark as duplicate Convert to a question Link a related branch Link to CVE You are not directly subscribed to this bug's notifications. That way, when gnome starts up, pulseaudio should automatically load jack and route is input and output to it.At the beginning it worked out of the box, and I was quite 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 However, running the jack daemon as Code: set_rlimits /usr/bin/jackd -R -dalsa fails with Code: cannot use real-time scheduling (FIFO at priority 10) I have also tried setting file capabilities thus Code:

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