Fabrizio Furnari wrote: > You mean Ubuntu? In this case I don't believe: all other application > works fine and in real-time (eg. Ardour should complain about that). > I'd like to see if other distributions with a rt kernel have the same > problem... > > On Sun, Dec 27, 2009 at 12:25 PM, Jonathan Aquilina > <[email protected] <mailto:[email protected]>> wrote: > > im wondering if they somehow forgot to compile realtime scheduling > into the kernel at some point or when they released an updated > version of the kernel? could that be a possibility? > > > On Sun, Dec 27, 2009 at 12:20 PM, Fabrizio Furnari > <[email protected] <mailto:[email protected]>> wrote: > > > > On Sun, Dec 27, 2009 at 10:41 AM, Tobias Doerffel > <[email protected] <mailto:[email protected]>> > wrote: > > ... > > However there were reports, LMMS runs fine with JACK (no > xruns at all) when > running both as root, because LMMS can use realtime > scheduling policies then. > So you should try that first. > > Toby > > > I've tried to run qjackctl and lmms with sudo but the problem is > still the same. However I don't think this is needed in a > distribution such Ubuntu studio that should be allow realtime > scheduling also to normal users (I don't ever heard about that). > > > > > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer > Community > Take advantage of Verizon's best-in-class app development > support > A streamlined, 14 day to market process makes app > distribution fast and easy > Join now and get one step closer to millions of Verizon > customers > http://p.sf.net/sfu/verizon-dev2dev > _______________________________________________ > Lmms-users mailing list > [email protected] > <mailto:[email protected]> > https://lists.sourceforge.net/lists/listinfo/lmms-users > > > > > -- > @P=split//,".URRUU\c8R";@d=split//,"\niranruF oizirbaF";sub p{ > > @p{"r$p","u$p"}=(P,P);pipe"r$p","u$p";++$p;($q*=2)+=$f=!fork;map{$P=$P[$f^ord > ($p{$_})&6];$p{$_}=/ > ^$P/ix?$P:close$_}keys%p}p;p;p;p;p;map{$p{$_}=~/^[P.]/&& > close$_}%p;wait until$?;map{/^r/&&<$_>}%p;$_=$d[$q];sleep > rand(2)if/\S/;print > > > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution > fast and easy > Join now and get one step closer to millions of Verizon customers > http://p.sf.net/sfu/verizon-dev2dev > _______________________________________________ > Lmms-users mailing list > [email protected] > <mailto:[email protected]> > https://lists.sourceforge.net/lists/listinfo/lmms-users > > > > > -- > Jonathan Aquilina > > > > > -- > @P=split//,".URRUU\c8R";@d=split//,"\niranruF oizirbaF";sub p{ > @p{"r$p","u$p"}=(P,P);pipe"r$p","u$p";++$p;($q*=2)+=$f=!fork;map{$P=$P[$f^ord > ($p{$_})&6];$p{$_}=/ > ^$P/ix?$P:close$_}keys%p}p;p;p;p;p;map{$p{$_}=~/^[P.]/&& > close$_}%p;wait until$?;map{/^r/&&<$_>}%p;$_=$d[$q];sleep > rand(2)if/\S/;print > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------------ > This SF.Net email is sponsored by the Verizon Developer Community > Take advantage of Verizon's best-in-class app development support > A streamlined, 14 day to market process makes app distribution fast and easy > Join now and get one step closer to millions of Verizon customers > http://p.sf.net/sfu/verizon-dev2dev > > > ------------------------------------------------------------------------ > > _______________________________________________ > Lmms-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/lmms-users
Ubuntu's RT kernel has RT scheduling. With the 'chrt' command you can set the priorities of processes, I abusively mentioned 'rtirq'. I'll try assigning a higher priority to LMMS but I doubt if it improves the performance with JACK as the backend. Jeremy ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ Lmms-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/lmms-users
