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Date: Sun, 04 Nov 2007 19:46:11 +0100
From: Kris Kennaway <kris@FreeBSD.org>
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To: Olli Hauer <ohauer@gmx.de>
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Cc: Ken Smith <kensmith@cse.Buffalo.EDU>, freebsd-stable@freebsd.org,
	freebsd-current@freebsd.org
Subject: Re: FreeBSD 7.0-BETA2 Available
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Olli Hauer wrote:
> Ken Smith wrote:
>> The 7.0-BETA2 builds have completed and are on many of the FreeBSD
>> mirror sites.  If you want to update an existing machine using cvsup use
>> RELENG_7 as the branch tag.  Instructions on using FreeBSD Update to
>> perform a binary upgrade from FreeBSD 6.x to 7.0-BETA2 will be provided
>> via the freebsd-stable list when available.
>>
>> The checksums for the currently available ISOs are:
> 
> Grrrr,
> Just updated from the source rebuild world and kernel do debug a system 
> hang
> and notice after hours of recompile (during system hang) that this part
> is missing in GENERIC (BETA2)
> 
> # Debugging for use in -current
> options        KDB                     # Enable kernel debugger support.
> options        DDB                     # Support DDB.
> options        GDB                     # Support remote GDB.
> options        INVARIANTS              # Enable calls of extra sanity 
> checking
> options        INVARIANT_SUPPORT       # Extra sanity checks of internal 
> structures, required by INVARIANTS
> options        WITNESS                 # Enable checks to detect 
> deadlocks and cycles
> options        WITNESS_SKIPSPIN        # Don't run witness on spinlocks 
> for speed
> 
> 
> I always thought this will removed if BETA? and RC? phase finished.
> Please correct me if I'm wrong.

Yes, you're wrong.  The debugging options are removed early in the beta 
cycle when the branch occurs, not at the end right before release.

Kris