Hello! Frank Barknecht a écrit : > Hallo, > Hans-Christoph Steiner hat gesagt: // Hans-Christoph Steiner wrote: > > >> On Jul 12, 2007, at 2:45 PM, Georg Holzmann wrote: >> >> >>> Hallo! >>> >>> >>>> the other thing is only related to my setup i guess. i would like to >>>> know if anyone experience this. if i don't chmod +s /usr/local/bin/pd >>>> then i have many glitches in pd (xruns). i am using ubuntu studio >>>> (feisty) with the realtime kernel. >>>> >>> are you starting with pd -rt ? >>> >> On GNU/Linux, does Pd use realtime or regular mode by default? It >> sounds like maybe -rt should be added to the /usr/local/lib/pd/ >> default.pdsettings that's included in the package. >> > > No, better not: It's dangerous, if your patch is buggy and pd runs > wild. I only use -rt during performances. > > Regarding patco's problem with realtime mode: "chmod +s" is not a good > idea as it's a potentially big security hole opening up your system > for all kind of local exploits. > > And it's not necessary, if your system is set up correctly. Correctly > means, that you need a current libpam (Ubuntustudio has it) and you > need to set up /etc/security/limits.conf accordingly. Accordingly > means, have something like this in it: > > @audio - nice -10 > @audio - rtprio 99 > @audio - memlock -1 > > and your user needs to be in group "audio" then. > > If even then, Pd's realtime mode isn't activated, then something much > deeper is wrong. > > Ciao > I don't particulary have realtime problems, with jackd, and with an older realtime installation, I start pd-0.37 in root mode with -rt, it's not very safe, but it works perfectly for the task the computer is made for, to mimic a drum expander, and that's all. Patrice Colet.
PS: I'll try to change my mail client settings for avoiding confusion with names ;) _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
