Description: I have to report the problem described in summary line, with every version of LO I installed from 6.1 to 7, on every version of Ubuntu from 18.04 up to 20.10. Using Compiz, LO randomly doesn't show the file that it's opening (Calc, Draw and Writer). It is quite a problem, the only workaround is to open the file from the main LO window. In the LO forum I found another with the same problem https://ask.libreoffice.org/en/question/246935/when-opening-a-file-the-screen-remains-transparent-and-does-not-display-the-file/#277348 Steps to Reproduce: 1.Install and setup Compiz as window compositor 2.try to open different CALC, WRITER or DRAW files 3.Randomly they will not be showed in the window, its very hard to understand why one works and the other no, but for example every CSV file will produce the error. Actual Results: Sometimes the window remain transparent, you can see the frame but not the file you are opening. Expected Results: I expect to see the file I opened inside the window. Reproducible: Sometimes User Profile Reset: No OpenGL enabled: Yes Additional Info: I'm sure that the problem resides in Compiz because if I switch off Compiz the file that was not opening can be opened fine. If needed I offer myself as tester, please let me know how I can provide you more technical info or debug data.
Please, I had to put a product and marked CALC because is the more frequent I use and that produce the error, but I found the same problem in WRITER and DRAW.
*** This bug has been marked as a duplicate of bug 126886 ***