[Linux-fbdev-users] error -5 on radeon 8500

[sean d. <sea...@ho...>]

Booting up with a Radeon 8500 on i386; boot options:

video=radeonfb:1024x768-32@100

dmesg shows:

radeonfb: Invalid ROM signature 0 should be 0xaa55
radeonfb: Retreived PLL infos from BIOS
radeonfb: Reference=27.00 MHz (RefDiv=12) Memory=230.00 Mhz, System=190.00 
MHz
radeonfb: Reversed DACs detected
radeonfb: Monitor 1 type CRT found
radeonfb: EDID probed
radeonfb: Monitor 2 type no found
radeonfb: ATI Radeon BB  DDR SGRAM 64 MB
radeonfb: cannot map MMIO
radeonfb: probe of 0000:01:00.1 failed with error -5

I assume the invalid ROM is just a warning, and the Monitor 2 type is dvdi, 
but what's the probe fail?

sean