On Thu, 2008-04-03 at 12:38 +0300, Antti J. Huhtala wrote: > ke, 2008-04-02 kello 21:00 -0700, Sean Bruno kirjoitti: > > 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 > > > A similar problem has been bothering my box since last August, see > > https://bugzilla.redhat.com/show_bug.cgi?id=278721 > > However, when the box is rebooted (warm boot) the problem disappears and > the 128 M reserved for AGP aperture in BIOS is found and used. The > problem is there only if and when the box is cold-booted. > My box has an ATI Radeon 9200 PRO VGA compatible controller with nvidia > chipset. The motherboard (Asus K8N) BIOS has no IOMMU option. > > HTH, Antti > > > > > In my scenario I didn't cold boot, it was just a kernel update and then a reboot. Also, I don't even have an AGP slot. So that confuses me even more. The Asus K8N-DL is a PCI-E Graphics Motherboard. Sean
