Comment # 1 on bug 1008324 from Dominique Leuenberger

Please provide a stack treace of the crash:

coredumpctl gdb gnome-boxes
at the (gdb) prompt, type "bt"

gd is likely asking you to install some -debuginfo packages; the exact zypper
install command is presented. Please do and repeat above step (repeat until no
-debuginfo are missing)