RADEON(0): No valid MMIO address -> X doesn't start

[Tiago Vignatti]

Tomasz Chmielewski escreveu:
> I have a multiseat station with two graphics cards: AGP and PCI.
> 
> Lately, I replaced the AGP nvidia - now, the machine is equipped with two ATI cards:
> 
> 01:00.0 VGA compatible controller: ATI Technologies Inc RV350 AR [Radeon 9600]
> 01:00.1 Display controller: ATI Technologies Inc RV350 AR [Radeon 9600] (Secondary)
> 02:05.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 9200 PRO] (rev 01)
> 02:05.1 Display controller: ATI Technologies Inc RV280 [Radeon 9200 PRO] (Secondary) (rev 01)
> 
> 
> Unfortunately, X doesn't start on the PCI card any more:
> 
> (II) Setting vga for screen 0.
> (EE) RADEON(0): No valid MMIO address
> (II) UnloadModule: "radeon"
> (EE) Screen(s) found, but none have a usable configuration.
> 
> Fatal server error:
> no screens found
> 
> 
> What does it mean and how can I fix it?

https://bugs.freedesktop.org/show_bug.cgi?id=18321
https://bugs.freedesktop.org/show_bug.cgi?id=18160
https://bugs.freedesktop.org/show_bug.cgi?id=18839

all correspond to the same problem :(

-- 
Tiago Vignatti
C3SL - Centro de Computação Científica e Software Livre
www.c3sl.ufpr.br