I created a virtual machine with this command
./pre-inst-env guix system vm ~/configs/vm-config-desktop.scm \
--image-size=10GB \
--expose=$HOME \
--share=$HOME/tmp=/exchange
I run this virtual machine with this command
/gnu/store/zlnjsjgw8d0b6p1p7c3dbh4g6x80mrq6-run-vm.sh
Sometimes the graphical login screen comes up
Sometimes it doesn't and a login form in a terminal gets proposed
This happens randomly