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I have a new Arch install on a Thinkpad T14 AMD Gen 5. When trying to hibernate (suspend to disk), the screen goes black, but the laptop stays powered on: The power LED and the red LED in the lid blink rapidly and I can hear the fan spinning. In that state the laptop does not react to any buttons, the only solution is a hard reboot by long-pressing the power button. Here is the relevant part of the journal after running systemctl hibernate:
Jan 16 19:17:35 myhostname systemd-logind[670]: The system will hibernate now!
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.7770] manager: sleep: sleep requested (sleeping: no enabled: yes)
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.7771] device (p2p-dev-wlp2s0): state change: disconnected -> unmanaged (reason 'unmanaged-sleeping', managed-type: 'full')
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.7773] manager: NetworkManager state is now ASLEEP
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.7773] device (enp1s0f0): state change: activated -> deactivating (reason 'sleeping', managed-type: 'full')
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.7778] device (wlp2s0): state change: activated -> deactivating (reason 'sleeping', managed-type: 'full')
Jan 16 19:17:35 myhostname systemd[1]: Starting Network Manager Script Dispatcher Service...
Jan 16 19:17:35 myhostname systemd[1]: Started Network Manager Script Dispatcher Service.
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.8801] device (enp1s0f0): state change: deactivating -> disconnected (reason 'sleeping', managed-type: 'full')
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.8804] dhcp4 (enp1s0f0): canceled DHCP transaction
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.8804] dhcp4 (enp1s0f0): activation: beginning transaction (timeout in 45 seconds)
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.8804] dhcp4 (enp1s0f0): state changed no lease
Jan 16 19:17:35 myhostname systemd-resolved[475]: enp1s0f0: Bus client reset search domain list.
Jan 16 19:17:35 myhostname systemd-resolved[475]: enp1s0f0: Bus client reset DNS server list.
Jan 16 19:17:35 myhostname kernel: r8169 0000:01:00.0 enp1s0f0: Link is Up - 1Gbps/Full - flow control off
Jan 16 19:17:35 myhostname NetworkManager[662]: <info> [1737051455.9214] device (enp1s0f0): state change: disconnected -> unmanaged (reason 'unmanaged-sleeping', managed-type: 'full')
Jan 16 19:17:35 myhostname kernel: wlp2s0: deauthenticating from 00:f2:8b:42:e2:0e by local choice (Reason: 3=DEAUTH_LEAVING)
Jan 16 19:17:35 myhostname kernel: r8169 0000:01:00.0 enp1s0f0: Link is Down
Jan 16 19:17:36 myhostname wpa_supplicant[735]: nl80211: send_event_marker failed: Source based routing not supported
Jan 16 19:17:36 myhostname wpa_supplicant[735]: wlp2s0: CTRL-EVENT-DISCONNECTED bssid=00:f2:8b:42:e2:0e reason=3 locally_generated=1
Jan 16 19:17:36 myhostname wpa_supplicant[735]: wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.0270] device (wlp2s0): state change: deactivating -> disconnected (reason 'sleeping', managed-type: 'full')
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.0272] dhcp4 (wlp2s0): canceled DHCP transaction
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.0272] dhcp4 (wlp2s0): activation: beginning transaction (timeout in 45 seconds)
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.0273] dhcp4 (wlp2s0): state changed no lease
Jan 16 19:17:36 myhostname wpa_supplicant[735]: wlp2s0: PMKSA-CACHE-REMOVED 00:f2:8b:42:e2:0e 0
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.0767] device (wlp2s0): set-hw-addr: set MAC address to 62:6E:3D:0D:79:64 (scanning)
Jan 16 19:17:36 myhostname systemd-resolved[475]: wlp2s0: Bus client reset search domain list.
Jan 16 19:17:36 myhostname systemd-resolved[475]: wlp2s0: Bus client set default route setting: no
Jan 16 19:17:36 myhostname systemd-resolved[475]: wlp2s0: Bus client reset DNS server list.
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.2081] device (wlp2s0): supplicant interface state: completed -> disconnected
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.2084] device (wlp2s0): state change: disconnected -> unmanaged (reason 'unmanaged-sleeping', managed-type: 'full')
Jan 16 19:17:36 myhostname NetworkManager[662]: <info> [1737051456.3376] device (wlp2s0): set-hw-addr: reset MAC address to C8:A3:E8:12:9D:DD (unmanage)
Jan 16 19:17:36 myhostname wpa_supplicant[735]: p2p-dev-wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all
Jan 16 19:17:36 myhostname wpa_supplicant[735]: p2p-dev-wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all
Jan 16 19:17:36 myhostname wpa_supplicant[735]: nl80211: deinit ifname=p2p-dev-wlp2s0 disabled_11b_rates=0
Jan 16 19:17:36 myhostname systemd[1]: Reached target Sleep.
Jan 16 19:17:36 myhostname systemd[1]: Starting System Hibernate...
Jan 16 19:17:36 myhostname systemd[1]: session-2.scope: Unit now frozen-by-parent.
Jan 16 19:17:36 myhostname systemd[1]: user@1000.service: Unit now frozen-by-parent.
Jan 16 19:17:36 myhostname systemd[1]: user.slice: Unit now frozen.
Jan 16 19:17:36 myhostname systemd[1]: user-1000.slice: Unit now frozen-by-parent.
Jan 16 19:17:36 myhostname systemd-sleep[2964]: Successfully froze unit 'user.slice'.
Jan 16 19:17:36 myhostname systemd-sleep[2964]: Performing sleep operation 'hibernate'...
Jan 16 19:17:36 myhostname kernel: PM: hibernation: hibernation entry
Jan 16 19:17:36 myhostname wpa_supplicant[735]: wlp2s0: CTRL-EVENT-DSCP-POLICY clear_allThis is with linux 6.12.9.arch1-1 and linux-firmware 20241210.b00a7f7e-1.
I'd appreciate any advice.
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