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Date:      Sun, 29 Mar 2009 11:32:25 +0100
From:      Kris Kennaway <kris@FreeBSD.org>
To:        Wenji Wu <wenji@fnal.gov>
Cc:        freebsd-current@freebsd.org
Subject:   Re: LOCK_PROFILING does not work on FreeBSD 8.0-CURRENT
Message-ID:  <49CF4E39.4010905@FreeBSD.org>
In-Reply-To: <fb08c5e81b252.49ce772d@fnal.gov>
References:  <fb842da61947e.49caba5c@fnal.gov> <49CE231C.9080609@FreeBSD.org> <fb08c5e81b252.49ce772d@fnal.gov>

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Wenji Wu wrote:
>> It certainly does work in 8.0.  Is it possible you forgot to install 
>> the 
>> rebuilt kernel?
> 
> I have rebuilt everything (rebuild the world), just does not work for me. But if it works for you, i will retry to see what is going on.

Rebuilding the kernel (or world) only prepares a new version, it doesn't 
reinstall it.  Unless you ran a separate 'make installkernel' you are 
still running the old kernel.  You can confirm by looking at uname -a 
and checking the time when the running kernel was compiled.

Kris



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