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Date: Fri, 09 Nov 2007 15:57:14 -0800
From: Peter Grehan <grehan@freebsd.org>
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To: Torfinn Ingolfsen <torfinn.ingolfsen@broadpark.no>
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Cc: freebsd-ppc@freebsd.org
Subject: Re: xorg-server 1.4_2,1 fails on RELENG_7
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Hi Torfinn,

> (WW) Can't map IO space!

  That's an easy one :) I should have added that to my email.

# sysctl hw.ofwfb.relax_mmap=1

  The Xorg driver attempts to mmap a region larger than the size of the 
actual device's framebuffer. Rather than wading through X (not my 
favourite activity), it was easier to just allow the mapping. X doesn't 
use more than what it finds on the actual device (this can be seen from 
the startup log), so random memory isn't being trashed.

later,

Peter.