I have the same problem on the same laptop: Thinkpad 260 Yoga. Machine goes into suspend, but cannot be woken up. I've tried the power button and WOL packets.
Fresh install of current Bookworm using debian installer netinst with firmware nightly, from 2022-02-15: 604f09ff97b5faddacff2d43f8710c564d4138d8807d74985f56ab5b76fcdb88 firmware-testing-amd64-netinst.iso minimal install. Kernel is linux-image-6.1.0-3-amd64 (6.1.8-1) On Mon, May 24, 2021 at 08:59:01AM -0400, Kenichiro MATOHARA wrote:
$ sudo mount -o remount,sync / $ sync $ logger SUSPEND; systemctl suspend
Relevant logs from me doing the same (don't look useful sadly) Feb 16 11:56:53 debian login[841]: ROOT LOGIN on '/dev/tty1' Feb 16 12:00:24 debian kernel: EXT4-fs (dm-1): re-mounted. Quota mode: none. Feb 16 12:00:32 debian root[849]: SUSPEND Feb 16 12:00:32 debian systemd-logind[664]: The system will suspend now! Feb 16 12:00:32 debian systemd[1]: Reached target sleep.target - Sleep. Feb 16 12:00:32 debian systemd[1]: Starting systemd-suspend.service - System Suspend... Feb 16 12:00:32 debian systemd-sleep[851]: Entering sleep state 'suspend'... Feb 16 12:00:32 debian kernel: PM: suspend entry (deep) -- 👱🏻 Jonathan Dowland
