pk <[email protected]> [11-08-09 13:11]: > On 2011-08-09 07:32, [email protected] wrote: > > > Why does it look for an AGP-bridge??? > > Not that it helps but, I also have an AMD system (AM3+, FX990/SB950) and > I get the "No AGP bridge found" message too... > > > 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 can make the IOMMU message disappear in my system with a "bios" setting... > > Two things that I can think of: > 1. Check your bios to make sure it does enable the IOMMU (i.e. was the > setting saved?). > 2. Update your bios to see if it helps (but make sure you follow any > instructions from the m/b manufacturer). > > > I want to fix issues, which may be reported by dmesg, so: > > Where can I find explanations to the dmesg output? > > Don't know if there is such a place to "decode" the dmesg output but if > you wish to know more about these particular messages (well the > "terminology" and the technical explanation): > https://secure.wikimedia.org/wikipedia/en/wiki/Iommu > > https://secure.wikimedia.org/wikipedia/en/wiki/Aperture_%28computer_memory%29 > > Some more digging (but I'm not sure it would help you)... > http://bogdan.org.ua/2009/09/30/iommu-this-costs-you-64-mb-of-ram.html > > Best regards / MfG > > Peter K >
Hi Peter, thanks for the links and your explanations! :) ...will see, what I can do... Keep hacking! ;) Best regards, mcc
