Hi, my PC consists -- beside other things -- of a AMD Phenom II X6 1090T, a ASUS Crossfire Formula IV and a NVidia GeForce GT 430 by MSI (PCIe). Furthermore I am using the vanilla Linux kernel 3.0.1. .
I browsed through the output of dmesg and found these lines:
Checking aperture...
No AGP bridge found
Node 0: aperture @ c4000000 size 32 MB
Aperture pointing to e820 RAM. Ignoring.
Your BIOS doesn't leave a aperture memory hole
Please enable the IOMMU option in the BIOS setup
This costs you 64 MB of RAM
Mapping aperture over 65536 KB of RAM @ c4000000
The kernel is not configured with any AGP-related (as far as I now)
feature/config.
Why does it look for an AGP-bridge???
The dmesg says I should switch on IOMMU, which I did. But that does
not impress the kernel that much since it still recommends to switch
on IOMMU.
What did I wrong here ?
I want to fix issues, which may be reported by dmesg, so:
Where can I find explanations to the dmesg output?
For your information I attached the compressed dmesg output
to this mail.
Thank you very much for your help in advance!
Best regards
mcc
dmesg-out.txt.7z
Description: Binary data
