Identical behaviour here on a P14s Gen3 AMD. Suspend works, but it
freezes seconds after logging in from GDM after resume.

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https://bugs.launchpad.net/bugs/2076048

Title:
  My system freezes after waking from suspend

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have installed Ubuntu 24.04 on my Lenovo ThinkPad T14 Gen 3 (AMD
  Ryzen™ 7 PRO 6850U with Radeon™ Graphics × 16). Type - 21CF-003QAU

  Since installation, the following problem has occurred:

  - Whenever I suspend the system (e.g. power off menu > suspend), the system 
successfully goes into a suspended state.
  - When I wake the computer, the computer wakes and presents me with the login 
screen
  - I can log into the system, and the mouse and all previously open windows 
appear to be working, sound is working etc
  - I CAN'T seem to open any new applications or run any new commands at this 
time (no error messages, just nothing starting)
  - Approximately 30 seconds to 1 minute later, the system freezes completely. 
No error messages, and I can see everything on the screen. But mouse/keyboard 
input stops, sound stops, and I have to physically hard restart the laptop.
  - Example is caplock key light on keyboard stops responding. Interestingly 
the Esc/FnLock key light still works

  I have updated all the firmware / BIOS to the latest versions, and the
  issue still persists.

  I have run Ubuntu from a Live USB on the same machine, and when
  suspending, all appears to work OK.

  I have done a completely fresh install with default installation
  parameters, and system freeze as explained above occurs every time.

  Also reported to Lenovo here ->
  https://forums.lenovo.com/t5/Ubuntu/Lenovo-T14-Gen3-AMD-with-
  Ubuntu-24-04-System-freezes-30-seconds-after-waking-from-
  sleep/m-p/5324170?page=1#6404090

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: linux-image-6.8.0-39-generic 6.8.0-39.39
  ProcVersionSignature: Ubuntu 6.8.0-39.39-generic 6.8.8
  Uname: Linux 6.8.0-39-generic x86_64
  ApportVersion: 2.28.1-0ubuntu2
  Architecture: amd64
  CRDA: N/A
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Aug  5 09:21:52 2024
  InstallationDate: Installed on 2024-08-01 (4 days ago)
  InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
  MachineType: LENOVO 21CF003QAU
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  ProcFB: 0 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-39-generic 
root=UUID=a12931b8-49e7-4226-b38f-3febeac4f41d ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-6.8.0-39-generic N/A
   linux-backports-modules-6.8.0-39-generic  N/A
   linux-firmware                            20240318.git3b128b60-0ubuntu2.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/29/2024
  dmi.bios.release: 1.53
  dmi.bios.vendor: LENOVO
  dmi.bios.version: R23ET77W (1.53 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 21CF003QAU
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0T76538 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.32
  dmi.modalias: 
dmi:bvnLENOVO:bvrR23ET77W(1.53):bd05/29/2024:br1.53:efr1.32:svnLENOVO:pn21CF003QAU:pvrThinkPadT14Gen3:rvnLENOVO:rn21CF003QAU:rvrSDK0T76538WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21CF_BU_Think_FM_ThinkPadT14Gen3:
  dmi.product.family: ThinkPad T14 Gen 3
  dmi.product.name: 21CF003QAU
  dmi.product.sku: LENOVO_MT_21CF_BU_Think_FM_ThinkPad T14 Gen 3
  dmi.product.version: ThinkPad T14 Gen 3
  dmi.sys.vendor: LENOVO

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