2.6.24.4-64 x86_64 ... New IOMMU Error Message

[Sean Bruno]

I seem to remember this error message a long time ago on my dual
opteron, but then it went away.  Now it has reappeared with the latest
kernel update:

Checking aperture...
CPU 0: aperture @ c000000 size 32 MB
Aperture too small (32 MB)
No AGP bridge found
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 @ c000000
Memory: 6129976k/7340032k available (2491k kernel code, 161028k
reserved, 1390k data, 332k init)
SLUB: Genslabs=12, HWalign=64, Order=0-1, MinObjects=4, CPUs=4, Nodes=2
Calibrating delay using timer specific routine.. 4021.83 BogoMIPS
(lpj=2010919)


lspci output --> http://consultcsg.com/lspci.out
full dmesg output --> http://consultcsg.com/dmesg.out