If the size of any window is maximum, on maximize, the window contents become totally black inside. Reproducible: Always Steps to Reproduce: 1. Open any window, for example dolphin, kwrite, etc. 2. Resize to maximum size in both X and Y. 3. Maximize it Actual Results: Get a black window. Expected Results: Get a normal window contents. I am using a Nvidia card (GT 520) with propietary drivers (319.23) on x86_64.
Created attachment 83672 [details] supportInformation
ftr, I got black windows on reconfiguring kwin, but the frequency of this dropped from "ever" to "sometimes" with 325.15 Never had trouble with maximization, though. *** This bug has been marked as a duplicate of bug 324823 ***