Hello Masahiro.  Thank you very much for your reply.  I have a Lenovo
ThinkPad E14 Gen6 with an Intel processor.

I rebooted into 6.8.0-52-generic and can confirm the problem still
exists.  One thing I forgot to mention was that 6.8.0-38 is what was
initially installed with Mint 22.0, and any kernel I upgrade to has this
issue with the computer not suspending.

Below is the output of 'journalctl -u systemd-suspend.service' and 'inxi
-Fxxxz'

-- Boot c56d4ed7deaa466e96959bdee19f1a08 --
Jan 28 23:33:09 nick-ThinkPad-E14-Gen-6 systemd[1]: Starting 
systemd-suspend.service - System Suspend...
Jan 28 23:33:09 nick-ThinkPad-E14-Gen-6 systemd-sleep[3055]: Performing sleep 
operation 'suspend'...
Jan 28 23:33:12 nick-ThinkPad-E14-Gen-6 systemd-sleep[3055]: Failed to put 
system to sleep. System resumed again: No such file or directory
Jan 28 23:33:12 nick-ThinkPad-E14-Gen-6 systemd[1]: systemd-suspend.service: 
Main process exited, code=exited, status=1/FAILURE
Jan 28 23:33:12 nick-ThinkPad-E14-Gen-6 systemd[1]: systemd-suspend.service: 
Failed with result 'exit-code'.
Jan 28 23:33:12 nick-ThinkPad-E14-Gen-6 systemd[1]: Failed to start 
systemd-suspend.service - System Suspend.


The output of inxi -Fxxxz is:

System:
  Kernel: 6.8.0-52-generic arch: x86_64 bits: 64 compiler: gcc v: 13.3.0
    clocksource: tsc
  Desktop: Cinnamon v: 6.4.6 tk: GTK v: 3.24.41 wm: Muffin v: 6.4.1
    tools: cinnamon-screensaver vt: 7 dm: LightDM v: 1.30.0
    Distro: Linux Mint 22.1 Xia base: Ubuntu 24.04 noble
Machine:
  Type: Laptop System: LENOVO product: 21M70039US v: ThinkPad E14 Gen 6
    serial: <superuser required> Chassis: type: 10 serial: <superuser required>
  Mobo: LENOVO model: 21M70039US v: SDK0T76530 WIN
    serial: <superuser required> part-nu: LENOVO_MT_21M7_BU_Think_FM_ThinkPad
    E14 Gen 6 uuid: <superuser required> UEFI: LENOVO v: R2JET38W(1.15 )
    date: 10/21/2024
Battery:
  ID-1: BAT0 charge: 49.9 Wh (100.0%) condition: 49.9/47.0 Wh (106.2%)
    volts: 13.0 min: 11.3 model: SMP L22M3PG4 type: Li-poly serial: <filter>
    status: full cycles: 9
  Device-1: hidpp_battery_2 model: Logitech MX Keys Wireless Keyboard
    serial: <filter> charge: 55% (should be ignored) rechargeable: yes
    status: discharging
  Device-2: hidpp_battery_3 model: Logitech MX Vertical Advanced Ergonomic
    Mouse serial: <filter> charge: 100% (should be ignored) rechargeable: yes
    status: discharging
CPU:
  Info: 12-core (2-mt/10-st) model: Intel Core Ultra 5 125U bits: 64
    type: MST AMCP smt: enabled arch: Meteor Lake rev: 4 cache: L1: 1.2 MiB
    L2: 10 MiB L3: 12 MiB
  Speed (MHz): avg: 776 high: 3029 min/max: 400/4300:3600:2100 cores: 1: 400
    2: 400 3: 1100 4: 400 5: 400 6: 2341 7: 400 8: 400 9: 400 10: 3029 11: 400
    12: 400 13: 400 14: 400 bogomips: 75264
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Graphics:
  Device-1: Intel Meteor Lake-P [Intel Graphics] vendor: Lenovo driver: i915
    v: kernel arch: Gen-13 ports: active: HDMI-A-1,eDP-1
    empty: DP-1, DP-2, DP-3, DP-4 bus-ID: 00:02.0 chip-ID: 8086:7d45
    class-ID: 0300
  Device-2: Bison Integrated Camera driver: uvcvideo type: USB rev: 2.0
    speed: 480 Mb/s lanes: 1 bus-ID: 3-7:4 chip-ID: 5986:1198 class-ID: fe01
    serial: <filter>
  Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X:
    loaded: modesetting unloaded: fbdev,vesa dri: iris gpu: i915 display-ID: :0
    screens: 1
  Screen-1: 0 s-res: 5760x2160 s-dpi: 96 s-size: 1524x572mm (60.00x22.52")
    s-diag: 1628mm (64.09")
  Monitor-1: HDMI-A-1 mapped: HDMI-1 pos: primary,top-right
    model: Samsung LU28R55 serial: <filter> res: 3840x2160 hz: 60 dpi: 154
    size: 632x360mm (24.88x14.17") diag: 727mm (28.6") modes: max: 3840x2160
    min: 720x400
  Monitor-2: Unknown-1 mapped: None-1-1 note: disabled size-res: N/A
    modes: 1920x1200
  Monitor-3: eDP-1 pos: bottom-l model: BOE Display 0x0a35 res: 1920x1200
    hz: 60 dpi: 161 size: 302x189mm (11.89x7.44") diag: 356mm (14")
    modes: 1920x1200
  API: EGL v: 1.5 hw: drv: intel iris platforms: device: 0 drv: iris
    device: 1 drv: swrast gbm: drv: kms_swrast surfaceless: drv: iris x11:
    drv: iris inactive: wayland
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: intel mesa v: 24.0.9-0ubuntu0.3
    glx-v: 1.4 direct-render: yes renderer: Mesa Intel Graphics (MTL)
    device-ID: 8086:7d45
Audio:
  Device-1: Intel Meteor Lake-P HD Audio vendor: Lenovo
    driver: sof-audio-pci-intel-mtl bus-ID: 00:1f.3 chip-ID: 8086:7e28
    class-ID: 0401
  API: ALSA v: k6.8.0-52-generic status: kernel-api
  Server-1: PipeWire v: 1.0.5 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: active
  Server-2: PulseAudio v: 16.1 status: off (using pipewire-pulse)
Network:
  Device-1: Intel Meteor Lake PCH CNVi WiFi driver: iwlwifi v: kernel
    bus-ID: 00:14.3 chip-ID: 8086:7e40 class-ID: 0280
  IF: wlp0s20f3 state: up mac: <filter>
  Device-2: Intel vendor: Lenovo driver: e1000e v: kernel port: N/A
    bus-ID: 00:1f.6 chip-ID: 8086:550b class-ID: 0200
  IF: enp0s31f6 state: down mac: <filter>
  IF-ID-1: nordlynx state: unknown speed: N/A duplex: N/A mac: N/A
Bluetooth:
  Device-1: Intel AX201 Bluetooth driver: btusb v: 0.8 type: USB rev: 2.0
    speed: 12 Mb/s lanes: 1 bus-ID: 3-10:5 chip-ID: 8087:0026 class-ID: e001
  Report: hciconfig ID: hci0 rfk-id: 1 state: up address: <filter> bt-v: 5.2
    lmp-v: 11 sub-v: 3a27 hci-v: 11 rev: 3a27 class-ID: 7c010c
Drives:
  Local Storage: total: 476.94 GiB used: 155.14 GiB (32.5%)
  ID-1: /dev/nvme0n1 vendor: Samsung model: MZAL8512HDLU-00BLL
    size: 476.94 GiB speed: 63.2 Gb/s lanes: 4 tech: SSD serial: <filter>
    fw-rev: 7L2QKXD7 temp: 31.9 C scheme: GPT
Partition:
  ID-1: / size: 43.7 GiB used: 35.72 GiB (81.7%) fs: ext4 dev: /dev/nvme0n1p2
  ID-2: /boot/efi size: 510 MiB used: 6.1 MiB (1.2%) fs: vfat
    dev: /dev/nvme0n1p1
  ID-3: /home size: 365.61 GiB used: 99.83 GiB (27.3%) fs: ext4
    dev: /dev/nvme0n1p3
Swap:
  ID-1: swap-1 type: partition size: 21.95 GiB used: 0 KiB (0.0%) priority: -2
    dev: /dev/nvme0n1p4
Sensors:
  System Temperatures: cpu: 44.0 C mobo: N/A
  Fan Speeds (rpm): fan-1: 0 fan-2: 0
Info:
  Memory: total: 16 GiB note: est. available: 15.1 GiB used: 4.52 GiB (30.0%)
  Processes: 423 Power: uptime: 3m states: freeze,mem,disk suspend: s2idle
    wakeups: 0 hibernate: platform Init: systemd v: 255 target: graphical (5)
    default: graphical
  Packages: 2599 pm: dpkg pkgs: 2592 pm: flatpak pkgs: 7 Compilers:
    gcc: 13.3.0 Shell: Bash v: 5.2.21 running-in: gnome-terminal inxi: 3.3.34

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https://bugs.launchpad.net/bugs/2096878

Title:
  Computer waking immediately after suspend on any kernel newer than
  6.8.0-38

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