| Date | Thu, 21 Oct 2004 15:53:30 +0200 | From | Ingo Molnar <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U8 |
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* Ingo Molnar <mingo@elte.hu> wrote:
> i tried to pole jackd a little bit (just using things like > jack_freewheel and jack_impulse_grabber - i dont even know what they > do), and got jackd into some sort of userspace loop: > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 2558 root 16 0 27900 1852 2152 S 97.8 0.8 2:36.38 jackd
ah ... i should have guessed that "jack_freewheel y" puts jackd into ... freewheeling mode. So this is by design.
i still suspect that it's some sort of userspace loop causing the jackd problems - just that under SCHED_OTHER you dont normally notice it, while with jack -R it's fatal.
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