[LAD] [OT] Real-time threads on openSuSE 11.4

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To: Linux Audio Developers <linux-audio-dev@...>
Date: Friday, October 19, 2012 - 1:03 pm

Hello all,

My ex-collegues at Alcatel are screaming for help. They want to run
an app (as root, debatable but that's another story) using SCHED_FIFO
threads on an openSuSE 11.4 system.

Using the 'default' kernel (which has CONFIG_PREEMPT not set), this
works. Using the 'desktop' kernel (CONFIG_PREEMPT=y) they get an
EPERM when trying to start a RT thread, even as root.

As I haven't used SuSE for ages, has anyone an idea of what is
happening here ?

TIA,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

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Messages in current thread:
[LAD] [OT] Real-time threads on openSuSE 11.4, Fons Adriaensen, (Fri Oct 19, 1:03 pm)
Re: [LAD] [OT] Real-time threads on openSuSE 11.4, Jörn Nettingsmeier, (Sat Oct 20, 5:45 pm)
Re: [LAD] [OT] Real-time threads on openSuSE 11.4, Fons Adriaensen, (Sat Oct 20, 9:56 pm)
Re: [LAD] [OT] Real-time threads on openSuSE 11.4, Bengt Gördén, (Fri Oct 19, 4:02 pm)
Re: [LAD] [OT] Real-time threads on openSuSE 11.4, Robin Gareus, (Fri Oct 19, 1:41 pm)