From owner-freebsd-hackers@FreeBSD.ORG  Wed Sep 24 20:25:54 2008
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Date: Wed, 24 Sep 2008 13:25:54 -0700
From: Julian Elischer <julian@elischer.org>
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To: Jeff Wheelhouse <jdw@wheelhouse.org>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Major SMP problems with lstat/namei
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Jeff Wheelhouse wrote:
> 
> On Sep 24, 2008, at 6:12 AM, Ivan Voras wrote:
>> There is nothing that can be done within the 6.x branch. 7.x contains
>> many improvements but I think only 8.x will directly change the lockmgr
>> and the namei cache. The best things you can try right now is to use
>> 7-STABLE (or soon to be released 7.1; you might need tuning with
>> 7.0-RELEASE) or try 8-CURRENT (it's quite stable).
> 
> Really?  Nothing?
> 
> We get lockmgr-related panics on FreeBSD 7.0, as detailed elsewhere on 
> this list.
> 
> Stability issues aside, what else would we need to tune on 7.0, besides 
> enabling the ULE scheduler, and how much benefit would we really get?
> 
> These servers are in production, so 8-CURRENT is not an option.  I've 
> already had my knuckles rapped by a customer for trying 7.1-PRERELEASE 
> on one of their machines.

You are supposed to edit the uname info back to 7.0 before installing 
experimental 7.1 systems!

Didn't you get the memo?

> 
> Thanks,
> Jeff
> 
> 
> 
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