Comment 66 for bug 271070

I can also confirm this bug on my fathers pc running ubuntu 8.10 amd64 (2.6.27-9-generic).

The PC has the following components:
CPU: AMD Athlon 64 X2 6000+
Mainboard: Gigabyte GA-M57SLI-S4, nForce 570 SLI
Videocard: Asus EN8600GT (Geforce), 512MB
Memory: Corsair XMS2 4096MB
HDD: Seagate 500GB SATA II

[ 0.004000] Checking aperture...
[ 0.004000] No AGP bridge found
[ 0.004000] Node 0: aperture @ 20000000 size 32 MB
[ 0.004000] Aperture pointing to e820 RAM. Ignoring.
[ 0.004000] Your BIOS doesn't leave a aperture memory hole
[ 0.004000] Please enable the IOMMU option in the BIOS setup
[ 0.004000] This costs you 64 MB of RAM
[ 0.004000] Mapping aperture over 65536 KB of RAM @ 20000000
[ 0.004000] PM: Registered nosave memory: 0000000020000000 - 0000000024000000
[ 0.004000] Memory: 4046996k/4980736k available (3112k kernel code, 146856k reserved, 1575k data, 536k init)