Hello czlowiekalpha and thank you for the report.
Has this issue occurred to you on the experimental or stable branch? Has the issue occurred more than once? Are you running the game with any startup parameters? Are your graphic drivers up to date?
Regards,
Geez

In T121829#1541502, @dGuy wrote:

Wow very informative.
Your "feedback" is exactly one of the feedbacks we do not need here.

In T121829#1541612, @jell1n wrote:

lol what is this

Hello, please post only comments relevant to the issues on the feedback tracker.
Regards,
Geez