git gui often freezes on Ubuntu 18.04. I can reproduce the problem by launching the gui several times. If I press the "ctrl" key then the gui becomes visible. Collected information. uname -a Linux optiplex 5.3.0-53-generic #47~18.04.1-Ubuntu SMP Thu May 7 13:10:50 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux env | grep -i git GIT_EDITOR=nano # Strace up to freeze. sudo strace -p 568 strace: Process 568 attached wait4(572, #Verbose output does not provide more information sudo strace -v -p 1991 strace: Process 1991 attached wait4(2003, Peter