2013/2/25 Hartmut Behrens <hartmut.behrens@xxxxxxxxx> > > No, neither of these work (realtime groupnames that were tried: > realtime / rtprio) > > This might be related: > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=619938 but I have yet > to dig into the details. > > Are there perhaps any other suggestions? > > Best Regards, > > Hartmut > > On Mon, Feb 25, 2013 at 10:55 PM, Sven-Thorsten Dietrich > <sven@xxxxxxxxxxxxxxxxxxxxx> wrote: > > > > On Feb 25, 2013, at 12:03 PM, Hartmut Behrens <hartmut.behrens@xxxxxxxxx> wrote: > > > >> Dear RT Folks, > >> > >> After successfully patching a 3.2 kernel (gumstix platform) with > >> patch-3.2-rt10, I obtained the rt-tests suite from > >> git://git.kernel.org/pub/scm/linux/kernel/git/clrkwllms/rt-tests.git > >> > >> I enabled CONFIG_PREEMPT_RT in menuconfig and disabled "CPU frequency scaling". > >> > >> Compilation of rt-tests ("make all") on the platform is also successful. > >> > >> When trying to execute cyclictest, the program reports: "Unable to > >> change scheduling policy! either run as root or join realtime group" > >> > >> Looking in rt-utils.c, it appears that set_scheduler is unable to > >> select SCHED_FIFO scheduling policy. > >> > >> Do you have any hints on how to fix this problem, or at least narrow > >> it down further? Could it > >> > > > > Does "either run as root or join realtime group" fix the problem? > > > > Sven > > > >> Best Regards, > >> Hartmut Behrens > >> -- > >> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > >> the body of a message to majordomo@xxxxxxxxxxxxxxx > >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html Hi, Try add yourself to a group that allows changing scheduling policy. Check the following link to know how to do this (I'm from the audio world) http://www.jackaudio.org/linux_rt_config hth -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
