This is with Fedora 23 on a Dell Latitude E4300 Laptop. From lspci:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
More often than not, I get distorted windows. Find an example here. This happens for all applications as far as I can tell.
I have seen this on a desktop machine of mine as well, under Fedora 21.
Ideas appreciated.