Subject: Re: OFB_ENABLE_CACHE
To: None <port-macppc@netbsd.org>
From: Bryan Vyhmeister <bsd@hub3.net>
List: port-macppc
Date: 03/30/2003 20:32:29
On Sunday, March 30, 2003, at 06:15 PM, Allen Briggs wrote:

> On Sun, Mar 30, 2003 at 08:26:41PM -0500, gabriel rosenkoetter wrote:
>> Is there some good reason this is commented out in GENERIC for
>> netbsd-1-6?
>>
>> Does it cause problems with certain versions of OF or something?
>
> It has been known to cause problems.  I had problems with my tibook
> crashing when it was enabled, but Matt Thomas suggested a fix (marking
> the ofb region as guarded) which works.  I don't know if that also 
> helps
> the other systems that didn't work (I seem to recall someone mentioning
> a 9600 with a specific video adapter--check the archives for details).

I can't boot with OFB_ENABLE_CACHE set on a PowerBook 2400. I keep 
meaning to spend more time working on getting the machine working 
properly but I haven't had much time. I'll have to see about this 
guarded business.

Bryan