PCI BIOS bug

[Brian Chadwick]

Lorenzo Ferrajoli wrote:
> As I understood the problem was "fixed" by Fedora (I use FC8 on an 
> ASUS MB) adding to the fc8-patched-kernel configuration the following 
> entry:
>
> CONFIG_PCI_MMCONFIG_OFF_BY_DEFAULT=y
>
> so when you try to copy fc8 configuration file to a vanilla kernel 
> .config (I tried a 2.6.23.1 vanilla kernel) this parameter is not 
> recognized: you can make your new kernel, but, if you set ANY in PCI 
> configuration, you'll have the message:
>
> PCI: BIOS Bug: MCFG area at e0000000 is not E820-reserved
> PCI: Not using MMCONFIG.
>
> I suppose that if you set DIRECT (as you can see in a previous message 
> on this thread) you can get rid of that bios bug message. Moreover I 
> read that updating the bios had not positive effect but I'm not yet 
> sure of that.  
>
> Lorenzo
>
>
>
>
one assumes the fedora team know what they are doing with the kernel and 
all their fedora patches ... i wonder how many people actually have the 
right experience to be complaining about things they do to the builds of 
vanilla kernels