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Date:      Tue, 6 Jun 2006 12:10:34 -0500
From:      "Matthew D. Fuller" <fullermd@over-yonder.net>
To:        Pete French <petefrench@ticketswitch.com>
Cc:        freebsd-stable@freebsd.org, jfvogel@gmail.com
Subject:   Re: Dual Opteron system will not run SMP
Message-ID:  <20060606171034.GJ76919@over-yonder.net>
In-Reply-To: <E1FnZsk-0007i7-DE@dilbert.firstcallgroup.co.uk>
References:  <2a41acea0606051012r5831971qb3d2fb88e701225@mail.gmail.com> <E1FnZsk-0007i7-DE@dilbert.firstcallgroup.co.uk>

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On Tue, Jun 06, 2006 at 12:37:58PM +0100 I heard the voice of
Pete French, and lo! it spake thus:
> 
> I had been wondering what 'safe' does differently, and whether I
> could fill up loader.conf with approrpiate values to emulate what
> 'safe' does and then start commenting them out one at a time.

"Safe" disables ATA/ATAPI DMA (so wouldn't affect SCSI), disables
ACPI, and disables the APIC (which has the side effect of disabling
SMP).


-- 
Matthew Fuller     (MF4839)   |  fullermd@over-yonder.net
Systems/Network Administrator |  http://www.over-yonder.net/~fullermd/
           On the Internet, nobody can hear you scream.



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