Re: [patch] Real-Time Preemption, -RT-2.6.12-rc6-V0.7.48-00

[K.R. Foley]

Ingo Molnar wrote:
> * Ingo Molnar <mingo@xxxxxxx> wrote:
>
>
> > > # CONFIG_DEBUG_RT_LOCKING_MODE is not set
> > >
> > > it seems to work fine. With the above enabled it hangs on both of my 
> > > SMP systems as described above. :-/
> >
> > ahh ... i'll try to reproduce it that way.
>
>
> found the bug - it was the incorrect initialization of 
> debug_slock/rwlock. I've uploaded -48-02 with the fix. This release also 
> includes a new debugging feature: CONFIG_DETECT_SOFTLOCKUP, which works 
> similar to the NMI watchdog but detects soft (==no reschedules) lockups.  
> I've also converted a few more local_irq_*() calls to raw_local_irq_*() 
> calls.
>
> 	Ingo

Sorry for not reporting back sooner on this, I just kept getting 
interrupted. My problems seem to be resolved on my SMP systems, even when

CONFIG_DEBUG_RT_LOCKING_MODE=y

I should note that I didn't actually try with the version above because 
it had been updated before I got to it.

--
   kr
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