Date: Sat, 21 Apr 2001 20:28:03 -0700 From: Peter Wemm <peter@wemm.org> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: John Baldwin <jhb@FreeBSD.ORG>, alpha@FreeBSD.ORG Subject: Re: SMP is stable now. Whee! :) Message-ID: <20010422032803.1085D380A@overcee.netplex.com.au> In-Reply-To: <15074.138.446582.781725@grasshopper.cs.duke.edu>
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Andrew Gallatin wrote:
>
> John Baldwin writes:
> > Hey all.
> >
> > Drew, Doug, and I have finally gotten this thing mostly whipped. I haven'
t
> > done a buildworld yet, but I've built kernels and then booted them without
any
> > problems. There are still some issues with some of the accounting on SMP
> > systems, but UP systems should run fine with the current set of outstandin
g
> > patches. I'd appreciate it if people could test the current set of patche
s.
> > You can find them at:
> >
> > http://www.FreeBSD.org/~jhb/patches/alpha.smp.patch
> >
> > So far this has been tested on a dual 4100 with both SMP and UP kernels.
> > Drew has found a problem with critical_enter/exit, but other than that I e
xpect
> > it to run fine on SMP 2100's as well. Also, SMP is noticably faster than
UP on
> > the 4100 I have here to test on at least, which is a good thing. :)
> >
>
> I'm happy to report that with this patchset, plus the
> cricical_enter/exit changes I just committed, a dual cpu 2100 made it
> through a buildworld last night just fine ;)
>
> Drew
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.
Cheers,
-Peter
--
Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au
"All of this is for nothing if we don't go to the stars" - JMS/B5
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