[PC-BSD Testing] NVIDIA when RAM is > 2 GB

Arthur Koziol A-Koziol at neiu.edu
Wed Dec 1 11:09:52 PST 2010


What motherboard and BIOS rev is he running?

> Sorry for the toppost, my mailer isn't quoting this email for some reason.
>
> This is an 8.1 install on a celeron dual core E3200, 4 gb ram, with a 
> GeForce 8800 GS. Every boot option results in a black screen. I walked 
> the guy through adding the machdep line at the boot prompt but that 
> did not make a difference. Anyone else successfully using this card on 
> 8.1? Any suggestions for a possible bios setting? He also tried 
> reducing his ram down to 2 gb but it did not make a difference.
>
> Cheers,
>
> Dru
>
> ------------------------------------------------------------------------
> Date: Wed, 1 Dec 2010 11:23:31 -0600
> From: A-Koziol at neiu.edu
> To: testing at lists.pcbsd.org
> Subject: Re: [PC-BSD Testing] NVIDIA when RAM is > 2 GB
>
> On 12/01/2010 9:21 AM, Dru Lavigne wrote:
>
>     This came up on IRC today. Apparently there is a bug in the NVIDIA
>     driver that occurs if the system has more than 2 GB of RAM. The
>     fix is to add the following line to /boot/loader.conf:
>
>     machdep.disable_mtrrs=1
>
>     Kris, is this something that can be added to the 8.2 snapshot so
>     it can be tested?
>
>     Cheers,
>
>     Dru
>
>
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>
>
> Is this present in the 260.19.21 version? If so, 263.09 should be out 
> pretty soon and will hopefully fix this.
>
> Arthur
>
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