Re: partially working SMP again

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

>    SS20MP fails earlier due to mutex panic:
> 
> earlier?  earlier than mine, perhaps, but not earlier than it used
> to before these changes?

Earlier than interrupts enabled.

>    data fault: pc=0xf0134b80 addr=0x0 
> sfsr=0x126<PERR=0x0,LVL=0x1,AT=0x1,FT=0x1,FAV,OW>
> 
> can you find out what line pc=0xf0134b80 is?

It's kern_mutex.c:mutex_vector_enter(), maybe MUTEX_SPIN_P(mtx).
It looks mutex (proc0.p_lock in kthread_create()) is NULL.

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Izumi Tsutsui