> Have you taken a look at Documentation/DMA-mapping.txt in the kernel > tree? > > greg k-h > Yes, you're right, I should have looked there first, but that article seems to be mostly about the PCI cards. I will have to try this week-end to investigate some video drivers. Nick -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/