Date: Wed, 25 May 2005 16:04:40 -0500 From: Stephen Montgomery-Smith <stephen@math.missouri.edu> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: releng 5 panic (again) Message-ID: <4294E868.8090406@math.missouri.edu> In-Reply-To: <6.2.1.2.0.20050525161214.076abc28@64.7.153.2> References: <4294DA1D.1030202@math.missouri.edu> <6.2.1.2.0.20050525161214.076abc28@64.7.153.2>
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Mike Tancsa wrote: > At 04:03 PM 25/05/2005, Stephen Montgomery-Smith wrote: > >> I will try any reasonable test you guys have for me. Right now I am >> switching off HTT to see if that is the issue. This is a dual Xeon >> system. > > > The SCHED_4BSD doesnt do anything with HTT and in fact might hurt > performance. If you are using ULE, there are several known bugs and its > not recommended that you use it. So in short, turn off HTT in your BIOS > on RELENG_5. > I am using the 4BSD scheduler, but I am really seeing some advantage with it. When it is switched off, multiply running programs really do seem to run a little slower. But I'll switch off HTT for now. Thanks, Stephen
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