Apparently, SL fails to install into a LUKS partition on a UEFI hardware. The problem is not specific to SL, it just happened that the image I tested was slinux-8.910-20191212-x86_64.iso. Individual bugs will be filed separately.
Fixed in 8.990_rc1.
Не совсем. Там ещё #245526 EPERM #3 p9 installer-scripts-remount-stage2.git=0.5.16-alt1 #243594 EPERM #5 p9 alterator-vm.git=0.4.11-alt1 #243475 EPERM #6 p9 alterator-luks.git=0.3.1-alt2