Bug#479114: kernel memory mapping bug

[maximilian attems <max@stro.at>]

On Fri, May 02, 2008 at 10:12:46AM -0600, Tim Patterson wrote:
> package: kernel
> 
> version: 2.6.22, 2.6.24
> 
> ???Attempting to install Lenny using netinstall.
> 
> The hardware:
> MSI K9A2 CF mainboard w/AMD 790X chipset, AMI BIOS 2.61, Realtek 81xx
> Gigabit Ethernet, Athlon X2 5400+, 2 X 1 GB Kingston DDR2 667. This bug
> is identical using an ECS A780GM-A Black series mainboard with AMD 780G
> chipset and the same AMI BIOS version 2.61.
> 
> Upon install I get the following error;
> PCI: BIOS BUG: MCFG area at e0000000 is not E820-reserved
> PCI: Not using MMCONFIG
> PCI: Cannot allocate resource region 3 of device 0000:00:00
> 
> Using 'installgui' configuration of Realtek Ethernet fails. Works with
> normal install. This may be a seperate issue.
> 
> It appears that the kernel is not properly mapping memory. Booting
> ubuntu 8.04 works fine. Memory is properly mapped and working fine. Same
> with Mandriva live CD. Ran memtest and memory showed no problems.
> 
> I did manage to get lenny installed but the kernel only sees half of the
> memory and the system is very sluggish.

try out 2.6.25 from unstable installs just fine in testing.

-- 
maks