Newer intel video cards require at least the 2.4.x video drivers. The 2.4.3 drivers work well with the latest stable xorg-server and mesa. These drivers need libdrm-2.3.0, which is also currently ~arch. I didn't see any issues with either package version in bugzilla. Reproducible: Always
It's not that simple but we'll get there. :) In any case, no newer version of the intel driver will go stable without at least xorg-server 1.5.3-r1, updating blockers accordingly. Thanks
I didn't realise this at the time, but when I emerged xf86-video-intel-2.4.3 and libdrm-2.3.0 I didn't have any 3d acceleration, and instead received an error. I'm marking this bug as invalid. I just performed the upgrade to xorg-server-1.5 / xorg-x11-7.4 and it looks like it actually needs the xf86-video-intel-2.5.x drivers. Older versions would not compile for me.