(In reply to comment #48)
> What do you mean by "make sure you add the PCI IDs to the xorg for both
> cards"?  The driver should autodetect the cards fine.  However for systems
> with multiple VGA cards, you may have to manually specify which ones you
> want to start X on.

Currently my xorg.conf.d directory contains the following config:

$ cat /etc/X11/xorg.conf.d/*
Section "Device"
    Identifier "Radeon Graphics"
    BusID "PCI:1:0:0"
EndSection
Section "Device"
    Identifier "Intel Graphics"
    BusID "PCI:0:2:0"
    Driver "intel"
    Option "AccelMethod" "sna"
    #Option "AccelMethod" "uxa"
    #Option "AccelMethod" "xaa"
EndSection

Is the BusID line in the intel device section not needed? What is needed for X
to automatically detect multiple GPUs properly and show some video output from
the correct card?