On Friday 06 January 2006 13:31, Michael Bohle wrote: > > AFAICT the question really is _why_ the rlimits is not working on > > opensuse10 kernel-2.6.13-15.7 ? pam-0.80 looks to be rtprio ready ... > > Same but different problem here. > > As I do write in a posting before, our project jacklab working on a > opensuse based audio distribution named jad. For this we have to create > a standard opensuse 10.0 kernel with rt. > > As Takashi giving us the advice, to using rtlimits / PAM instead of > rt-lsm. > So I asked in this mailinglist > http://lalists.stanford.edu/lau/2005/12/0258.html > Who has experiences with PAM? > > The answer from Burghard Ritter: > > If you are using a recent kernel (>=2.6.12) and a recent pam-package > > (>=0.80) then, if I am right, everything sould already be working. > > You > > would adjust the limits.conf to contain something like > > > > > > @audio - rtprio 100 > > @audio - nice -10 > > @audio - memlock 4000000 > > > > > > Thus the group audio could run programs with realtime privileges. > > Today we finshed a suse flavoured kernel with full realtime preemt. > 2.6.15 with rt-patch ver rt1 and some other fixes (ipv6, some suse > patches) > > I edited /etc/security/limits.conf as descripted by Burghard but I can't > get jackd to start. > > > jack_create_thread: error -1 switching current thread to rt for > > inheritance: Unknown error 4294967295 > > Mooo... > Now we plan to patch some rt-lsm in our kernel... > > Michael > > Am Freitag, den 06.01.2006, 10:54 +0000 schrieb Rui Nuno Capela: > > Joern Nettingsmeier wrote: > > > hi everyone! > > > > > > > > > after some time of job-induced absence from audio work, i have tried to > > > bring my audio workstation up to date again. > > > > > > the problem is that i can't get realtime privileges. > > > > > > arch is x86_64, distro is opensuse 10.0, i'm using the distro kernel, > > > which is a 2.6.13 with additional patches. > > > > > > my /etc/security/limits.conf: > > > > > > @realtime - memlock 128000 > > > @realtime - nice 10 > > > @realtime - rtprio 70 > > > > > > the account i use is member of @realtime. > > > > > > on login, i get > > > > > > Jan 6 00:01:38 kleineronkel pam_limits[13812]: unknown limit item > > > 'nice' Jan 6 00:01:38 kleineronkel pam_limits[13812]: unknown limit > > > item 'rtprio' > > > > > > and jack tells me it can't get rt scheduling. memlock works, though. > > > > > > i browsed the kernel source, and it looks like the rlimit patch is > > > there. > > > > > > pam is recent: > > > > > > pam-0.80-6 > > > pam_ldap-178-3 > > > pam-modules-10.0-11.2 > > > > > > the bash is not yet rlimits-aware (ulimit does not know about nice and > > > rtprio), but that should not be a problem, right? > > > > > > is there a /proc or /sys file associated with the rlimits patch, so > > > that i can make sure my running kernel has it? or any other > > > command-line tools that might help to find the problem? > > > > > > > > > any hints appreciated. > > > > Yes, highly appreciated indeed. I'm on opensuse 10.0 too, and after > > realizing that rlimits are not working OTOB I always find myself patching > > the original kernel-source with realtime-lsm, over and over again. > > > > > > Anyone else? > > -- > > rncbc aka Rui Nuno Capela > > rncbc@xxxxxxxxx I am having a similar problem using rlimits on an ARCH LINUX system. Some people have succsess out of the box on a fresh install, but I cannot get it to work.
