Hello
> Hi Scott, > I did the same. Bad news: rt isn't for Ubuntu 10.10. > Bye. > > > 2011/4/2 Scott Bohon > > I am a newbie to Ubuntu and Linux. I upgraded from Ubuntu 10.10 to > Studio, but I got a message during the upgrade that essentially said > linux-rt could not be found. Is linux-rt loaded with the audio package? > Do I need -rt? How do I check if -rt is loaded? If I still need it, how > do I get it? > > Thank you for your help! > > Scott Bohon > cellist and new techno-musician! > > > you can use a kernel from abogani's PPA... check out > http://jackschnippes.freeunix.net/index.php/2010/11/04/lowlatency-kernel-and-realtime-kernel-for-ubuntu-10-10-maverick > ...ALSO, the -generic kernel is quite a bit more appropriate for > realtime audio these days, It seems that the -generic kernel in Ubuntu 10.10 (and 11.04) is not very appropriate for that, since the RT_GROUP_SCHED option in the kernel is enabled; it means that it overrides everything that may have been configured in the limits.conf. See jackd FAQ : http://jackaudio.org/linux_group_sched This seems specific to Ubuntu (according to Jackd FAQ); so it's probably worth to have a try, but you shouldn't be surprised if you have a lot of Xruns. Then you should considerr other options (see below) so just try it, and IF you need lower > latency for softsynths, or realtime effects proecessing, or if you are > getting a bunch of xruns, move on to an -rt kernel... also, you can go > ahead and install 11.04 if you'd like... OR use 10.04 like i am... > enjoy... Indeed, there is no RT kernel for Maverick in Alessio Abogani's ppa; however, i've used succesfully the RT kernel for Lucid on my Maverick; it worked fine and it is probably the simplest; another option is to compile to RT kernel yourself (wich takes some time but it not so difficult); i have this doc : http://www.linuxmao.org/tikiwiki/tiki-index.php?page=compiler+un+noyau+2.6RT Sorry this is in French, but it is quite understandable, I think; the interesting part is at the very bottom under the title : Exemple : installation d'un noyau temps réel 2.6.33.7-rt29 sur Ubuntu 10.10 If you want to do it and if you have troubles, I'll be glad to help. Another option is to wait for Natty Narwal release : in Abogani's ppa, there is a preemt kernel (which should probably be enough) for Natty available... > -- > Ubuntu-Studio-users mailing list > Ubuntu-Studio-users@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users > > > > > -- > MH > Victor -- Ubuntu-Studio-users mailing list Ubuntu-Studio-users@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users
