From owner-freebsd-alpha  Mon Apr 23  9:43:44 2001
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Date: Mon, 23 Apr 2001 09:41:23 -0700 (PDT)
Organization: BSD, Inc.
From: John Baldwin <jhb@FreeBSD.ORG>
To: Andrew Gallatin <gallatin@cs.duke.edu>
Subject: Re: SMP is stable now. Whee! :)
Cc: alpha@FreeBSD.ORG, Peter Wemm <peter@wemm.org>
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On 23-Apr-01 Andrew Gallatin wrote:
> 
> Peter Wemm writes:
>  > I just fired it up on a UP2000+ w/ dual 833MHz cpus (4MB DDR L2 cache
> each)
>  > and it was rather uneventful.
>  > 
>  > That is.. it was until I typed 'make -j4 world':
>  > lock order reversal
>  >  1st clk last acquired @ ../../alpha/alpha/clock.c:569
>  >  2nd 0xfffffc00006ce728 smp rendezvous @
> ../../alpha/alpha/mp_machdep.c:605
>  >  3rd 0xfffffc00006d9870 clk @ ../../alpha/alpha/clock.c:390
>  > [hang]
>  > 
>  > This is with alpha.smp.patch, plus the stuff recent commits.  I had to
> change
>  > some #idef's into #ifdefs in alpha/trap.c though.
> 
> Huh? idef?  Where?

I added some #ifdef SMP for hte kernnest stuff.  Guess I fubar'd it.  World
finished on the dual CPU 4100 here.

> Can you build with WITNESS_DDB and KTR, with the KTR_MASK set to
> something like -1 and dump the ktr buffer when this happens?

He'll need to set KTR_MASK too.  I should change that to default to all traces
compiled in.

> Drew

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.Baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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