re: SMP status ?

[matthew green <mrg%eterna.com.au@localhost>]

> matthew green a écrit :
> > yeah, i've seen a couple of crashes, i won't have time to
> > look at this for a few days, i'll see what happens then.
> 
>       I don't know if it shall help you, but I'm unable to reproduce crashes 
> with dual SM71 configuration even with high load average. Are your 
> crashes NMI related ?

they only appear with LOCKDEBUG enabled.  a normal kernel runs very
well for me now, i haven't seen a problem.

i have a hack to not print strayintr messages for zs in MP, which
should avoid that problem.


.mrg.


Index: intr.c
===================================================================
RCS file: /cvsroot/src/sys/arch/sparc/sparc/intr.c,v
retrieving revision 1.108
diff -p -r1.108 intr.c
*** intr.c      5 Jan 2010 21:38:50 -0000       1.108
--- intr.c      16 Jan 2011 09:46:41 -0000
*************** strayintr(struct clockframe *fp)
*** 133,138 ****
--- 133,151 ----
        char bits[64];
        int timesince;
  
+ #if defined(MULTIPROCESSOR)
+       /*
+        * XXX
+        *
+        * Don't whine about zs interrupts on MP.  We sometimes get
+        * stray interrupts when polled kernel output on cpu>0 eats
+        * the interrupt and cpu0 sees it.
+        */
+ #define ZS_INTR_IPL   12
+       if (fp->ipl == ZS_INTR_IPL)
+               return;
+ #endif
+ 
        snprintb(bits, sizeof(bits), PSR_BITS, fp->psr);
        printf("stray interrupt cpu%d ipl 0x%x pc=0x%x npc=0x%x psr=%s\n",
            cpu_number(), fp->ipl, fp->pc, fp->npc, bits);