X on UEFI systems.

Vasily Levchenko vasily.v.levchenko at gmail.com
Thu Dec 10 04:32:05 UTC 2009

Hi, folks.

Currently at Virtualbox has introduced UEFI support in 3.1 release. But there is one issue with X server. When trying configure X with -configure. Resulted xorg.conf.new looks right except missed Modes. Observing code I've supposed that missed information should be somehow fetched from screen info (prepared by EFIFB) via ioctl(..,FBIOGET_FSCREENINFO,...), but for some reasons it isn't called and doing strace of X -configure the /dev/fb0 is open and than immediately closed ([pastebin.org]). So the question is what should be added in VirtualBox/UEFI firmware to get full xorg.conf? 
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