Marko Vojinovic wrote:
It's the kernel.
If you boot into 3.13.10-200, everything works. If you boot into the
latest, 3.14.2-200, desktop effects are dead and kwin works only in 2D
regime.
Confirmed.
It's not kde-workspace. It is this morning's kernel 3.14.2. With the
previous 3.13 kernel, it works fine.