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Date: Mon, 11 Aug 2003 16:10:14 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Andy Farkas <andyf@speednet.com.au>
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cc: freebsd-current@freebsd.org
cc: Eriq Lamar <eqe@cox.net>
Subject: Re: smp in 5.1
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On Tue, Aug 12, 2003 at 08:25:38AM +1000, Andy Farkas wrote:
> On Mon, 11 Aug 2003, Eriq Lamar wrote:
> 
> > Is there any advantage in 5.1 over 4.8 for two amd mp's. and if so could
> > someone tell what they are. I am interested in building dual system using
> > mp's but not sure which version would be better.
> 
> Scheduling in 5.1 is broken (sched_ule doesn't even work*).
> 
> Stick with 4.8.
> 
> * for me, sched_ule completely locks up my box, no ping, no keybd. Exact
> same kernel with sched_4bsd works fine.
> 

Strange.  ULE has worked fine on my UP system for 
several months and the SMP system I recently obtained
from a co-worker hasn't panicked while running ULE.
Can you drop into ddb and trace the problem with
ULE on your system? 

-- 
Steve