Hibernation succeeds on Leap 15.4 with kernel 6.2.8 from "Kernel:stable:Backports". I was confused initially because grub prompts for encryption password twice, but it worked. Laicolasse:~ # journalctl --list-boots -4 953f80893ae14d0ca8461542274a8bf7 Wed 2023-03-29 21:25:15 CEST���������Wed 2023-03-29 21:30:21 CEST -3 76004a2497fc438db28691417fc1390e Wed 2023-03-29 21:32:43 CEST���������Wed 2023-03-29 21:39:33 CEST -2 8f44823f6dd645278c21d109dfef4340 Wed 2023-03-29 21:40:56 CEST���������Wed 2023-03-29 22:18:38 CEST -1 1f88f85b017f4ca1894344e4a4357939 Wed 2023-03-29 22:20:30 CEST���������Fri 2023-03-31 18:47:39 CEST 0 855834a651af439b83dc0a057fe72109 Sat 2023-04-01 23:06:57 CEST���������Sat 2023-04-01 23:22:19 CEST Laicolasse:~ # journalctl -b 0 > /tmp/p0 list of journals proof it is a single session this Saturday :-) I will now attach this journal.