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Date:      Fri, 16 Jul 2010 23:20:51 -0500
From:      Nathan Whitehorn <nwhitehorn@freebsd.org>
To:        Bryan Vyhmeister <freebsd@bsdjournal.net>
Cc:        Peter Grehan <grehan@freebsd.org>, freebsd-ppc@freebsd.org
Subject:   Re: ANNOUNCE: powerpc64 now in -CURRENT
Message-ID:  <4C412FA3.6000405@freebsd.org>
In-Reply-To: <AANLkTimo31AX_j-IAMSe38gHHZb6NfQAGVUN6JKGIPa1@mail.gmail.com>
References:  <20100713164320.40351367@anacreon.physics.wisc.edu>	<B39EFC30-F914-48BF-8FEA-CCA49B2FB93E@freebsd.org>	<4C40E3DB.2050305@freebsd.org> <AANLkTimo31AX_j-IAMSe38gHHZb6NfQAGVUN6JKGIPa1@mail.gmail.com>

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On 07/16/10 19:19, Bryan Vyhmeister wrote:
> On Fri, Jul 16, 2010 at 6:57 PM, Peter Grehan<grehan@freebsd.org>  wrote:
>    
>>> http://people.freebsd.org/~nwhitehorn/FreeBSD-9.0-20100715-SNAP-powerpc64
>>>        
>>   This booted fine on the first (1.6GHz 7,2) and last (quad 2.5GHz 11,2) G5
>> towers. Now to try an install :)
>>      
> Out of curiosity, how much memory was in each of these systems? I
> think both of my systems have 4 GB of RAM. Could that make any
> difference on the SATA side?
>    
I don't think so, especially since drive detection is a PIO operation. 
My work desktop has 5.5 GB, and has performed well in daily use for 
several months now. I strongly suspect there is some kind of timeout in 
ATA device detection that is ever-so-slightly too short with some 
controllers, and that that is causing the problem here.
-Nathan


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