I wrote my experience with bitmask here: https://github.com/QubesOS/qubes-issues/issues/2021#issuecomment-294700472
Also in this list there is this topic: https://groups.google.com/forum/#!topic/qubes-users/dUgf68iiN4I -- iuri.neocities.org -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to qubes-users+unsubscr...@googlegroups.com. To post to this group, send email to qubes-users@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/CAF0bz4SoAj3j6c3JaHHGHmNurXv_unQ-roOVRC4E_65fCeqaUw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.