Public bug reported:

When I want to Shut down or Restart my PC, it manages to close all files
gracefully, unmounts everything nicely, switches off the monitors but
the last step the actual shut down never happens.

For a brief moment the fans of my graphics card stop rotating, but then
they spin up again the lights stay on and also the CPU fan starts to
spin and from that moment on nothing happens anymore. I need to press
the power button for 5 seconds to completely shut down

ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: linux-image-7.0.0-34-generic 7.0.0-34.34
ProcVersionSignature: Ubuntu 7.0.0-34.34-generic 7.0.14
Uname: Linux 7.0.0-34-generic x86_64
ApportVersion: 2.34.1-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: KDE
Date: Sat Sep 26 17:48:46 2026
InstallationDate: Installed on 2026-01-22 (247 days ago)
InstallationMedia: Kubuntu 25.10 "Questing Quokka" - Release amd64 (20251007)
MachineType: ASRock B650 Steel Legend WiFi
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-34-generic 
root=UUID=120d685f-76a9-41ec-925e-105e9c80ca3a ro quiet splash 
amdgpu.ppfeaturemask=0xffffffff
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
SourcePackage: linux
UpgradeStatus: Upgraded to resolute on 2026-05-03 (146 days ago)
dmi.bios.date: 06/24/2026
dmi.bios.release: 5.41
dmi.bios.vendor: American Megatrends International, LLC.
dmi.bios.version: 4.43
dmi.board.asset.tag: Default string
dmi.board.name: B650 Steel Legend WiFi
dmi.board.vendor: ASRock
dmi.board.version: Default string
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: 
dmi:bvnAmericanMegatrendsInternational,LLC.:bvr4.43:bd06/24/2026:br5.41:svnASRock:pnB650SteelLegendWiFi:pvrDefaultstring:rvnASRock:rnB650SteelLegendWiFi:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:pfaDefaultstring:
dmi.product.family: Default string
dmi.product.name: B650 Steel Legend WiFi
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: ASRock

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug resolute wayland-session

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https://bugs.launchpad.net/bugs/2168627

Title:
  PC does not shut down completely

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