With the use of the ATI fglrx driver on Gentoo, the frustrations are far from over.
My configuration:
laptop, HP nc8430 two displays, panel (1680×1050) and an external monitor (1280×1024) Gentoo Linux, at time of writing kernel 2.6.25-gentoo-r8 (stable) ati-drivers 8.532, the 8.9 version of the ATI Catalyst driver
The problem: Besides known issues . . . → Read More: fglrx on Gentoo, ongoing frustration