Public bug reported:
Since updating from the 6.8 kernel to the HWE 7.0 kernel, the machine no
longer powers off completely. The operating system shuts down, but the
motherboard and system fans remain powered on until I force the machine
off by holding the power button.
The journal shows userspace shutdown completing cleanly — systemd
reaches poweroff.target, syncs, and hands over to the kernel. The hang
happens after logging stops, in the kernel's final ACPI power-off path.
I found that unloading the mt7921e module before shutting down
consistently avoids the issue.
sudo modprobe -r mt7921e && sudo systemctl poweroff
Best regards,
Lorenzo
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-7.0.0-28-generic 7.0.0-28.28~24.04.1
ProcVersionSignature: Ubuntu 7.0.0-28.28~24.04.1-generic 7.0.12
Uname: Linux 7.0.0-28-generic x86_64
ApportVersion: 2.28.2-0ubuntu0.1
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Mon Aug 3 13:07:08 2026
InstallationDate: Installed on 2023-07-26 (1104 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
(20230223)
MachineType: Acer Aspire A515-45
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-7.0.0-28-generic
root=UUID=9f94ee82-4ce1-4e25-bc27-fb995e04e6fb ro
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-7.0.0-28-generic N/A
linux-backports-modules-7.0.0-28-generic N/A
linux-firmware 20240318.git3b128b60-0ubuntu2.27
SourcePackage: linux-hwe-7.0
UpgradeStatus: Upgraded to noble on 2024-09-23 (679 days ago)
dmi.bios.date: 10/24/2023
dmi.bios.release: 1.52
dmi.bios.vendor: INSYDE Corp.
dmi.bios.version: V1.52
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Calla_LC
dmi.board.vendor: LN
dmi.board.version: V1.52
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.ec.firmware.release: 1.8
dmi.modalias:
dmi:bvnINSYDECorp.:bvrV1.52:bd10/24/2023:br1.52:efr1.8:svnAcer:pnAspireA515-45:pvrV1.52:rvnLN:rnCalla_LC:rvrV1.52:cvnChassisManufacturer:ct10:cvrChassisVersion:sku0000000000000000:pfaAspire5:
dmi.product.family: Aspire 5
dmi.product.name: Aspire A515-45
dmi.product.sku: 0000000000000000
dmi.product.version: V1.52
dmi.sys.vendor: Acer
** Affects: linux-hwe-7.0 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble wayland-session
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https://bugs.launchpad.net/bugs/2162729
Title:
HWE shutdown regressions on common hardware MT7921e
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