Reproduced on Ubuntu precise under Unity using an Intel gfx laptop with external monitor and LVDS turned off.
This is upstream bug https://bugs.freedesktop.org/show_bug.cgi?id=39949. Three patches have been proposed for fixing this but appear not to yet be in the upstream codebase:
http://patchwork.freedesktop.org/patch/6488/ http://patchwork.freedesktop.org/patch/6217/ http://patchwork.freedesktop.org/patch/6209/
Reproduced on Ubuntu precise under Unity using an Intel gfx laptop with external monitor and LVDS turned off.
This is upstream bug https:/ /bugs.freedeskt op.org/ show_bug. cgi?id= 39949. Three patches have been proposed for fixing this but appear not to yet be in the upstream codebase:
http:// patchwork. freedesktop. org/patch/ 6488/ patchwork. freedesktop. org/patch/ 6217/ patchwork. freedesktop. org/patch/ 6209/
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