Re: 2.6.19-rc6-rt7: Kernel BUG at kernel/rtmutex.c:672

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On Tue, 2006-11-28 at 21:06 +0100, Ingo Molnar wrote:
> * Fernando Lopez-Lezcano <[email protected]> wrote:
> > (a normal non-root user was left logged in and was running jackd with 
> > realtime privileges, irqs' priority reordered with the rtirq script - 
> > I was getting, and still are under -rt8, lots of audio xruns but 
> > that's for another thread).
> do you get those xruns even with maxcpus=1? I.e. is it an SMP-only 
> regression - or is UP affected too? [if it's UP then it would be simpler 
> to trace that xrun]

It appears to be smp related, I just booted with maxcpus=1 and I'm
seeing a lot less in terms of xruns (three so far in the range 0.029 to
0.041 ms). 

-- Fernando

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