Hello! https://bugzilla.redhat.com/show_bug.cgi?id=1579046
This bug report and some posts in debianforum.de make me think that it is an already fixed kernel bug (fixed in newer kernel versions). Best wishes
- Bug#914948: udisks2: udisksctl power-off causes system freez... EP
- Bug#914948: Might be a kernel bug EP
- Bug#914948: [Pkg-utopia-maintainers] Bug#914948: Mi... Michael Biebl
- Bug#914948: udisks2: udisksctl power-off causes system ... Nota Bene
