Thanks for debugging the issue further. I will update the bug according
to your findings
** Changed in: linux-hwe-6.8 (Ubuntu)
Status: Incomplete => Invalid
** Also affects: intel-microcode (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2115854
Title:
The system didn’t go into suspend and got stuck
Status in intel-microcode package in Ubuntu:
New
Status in linux-hwe-6.8 package in Ubuntu:
Invalid
Bug description:
[Summary]
During the SRU testing, I found there are many "workstation" machines didn't
go into suspend.
After executing systemctl suspend, I can see the screen was off, but the
power led didn't shows a breathing LED, then the system got stuck, only way to
recover it was by power cycling.
After power cycling I used "journalctl -b -1" to see the previous log
and saw following log.
Jul 03 06:58:18 ubuntu /usr/libexec/gdm-x-session[1314]: (II) systemd-logind:
got pause for 13:66
Jul 03 06:58:18 ubuntu /usr/libexec/gdm-x-session[1314]: (II) systemd-logind:
got pause for 13:69
Jul 03 06:58:18 ubuntu systemd[1]: nvidia-suspend.service: Deactivated
successfully.
Jul 03 06:58:18 ubuntu systemd[1]: Finished NVIDIA system suspend actions.
Jul 03 06:58:18 ubuntu systemd[1]: Starting System Suspend...
Jul 03 06:58:18 ubuntu systemd-sleep[10113]: Entering sleep state 'suspend'...
Jul 03 06:58:18 ubuntu kernel: PM: suspend entry (deep)
[Expected result]
The system should wake up by pressing the power button or by rtc
wakeup event.
[Actual result]
The system got stuck.
[Additional information]
Following are the DUTs that are impacted.
https://certification.canonical.com/hardware/202301-31152/
https://certification.canonical.com/hardware/202301-31145/
https://certification.canonical.com/hardware/202301-31147/
https://certification.canonical.com/hardware/202301-31151/
https://certification.canonical.com/hardware/202405-34048/
https://certification.canonical.com/hardware/202405-34049/
https://certification.canonical.com/hardware/202310-32234/
https://certification.canonical.com/hardware/202305-31615/
https://certification.canonical.com/hardware/202303-31328/
https://certification.canonical.com/hardware/202209-30600/
https://certification.canonical.com/hardware/202209-30601/
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.8.0-62-generic 6.8.0-62.65~22.04.1
ProcVersionSignature: Ubuntu 6.8.0-62.65~22.04.1-generic 6.8.12
Uname: Linux 6.8.0-62-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1266 F.... pulseaudio
/dev/snd/controlC1: ubuntu 1266 F.... pulseaudio
CasperMD5CheckMismatches: ./preseed/project.cfg
CasperMD5CheckResult: fail
Date: Thu Jul 3 13:56:20 2025
DistributionChannelDescriptor:
# This is the distribution channel descriptor for the OEM CDs
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-stella-jammy-amd64-20230524-405
InstallationDate: Installed on 2025-07-02 (0 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" -
pc-stella-jammy-amd64-20230524-405
MachineType: HP HP Z4 G5 Workstation Desktop PC
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 simpledrmdrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-62-generic
root=UUID=3ad449c1-8055-4491-8e0e-084d0cbd51c3 ro automatic-oem-config quiet
splash vt.handoff=7
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.8.0-62-generic N/A
linux-backports-modules-6.8.0-62-generic N/A
linux-firmware 20220329.git681281e4-0ubuntu3.37
RfKill:
SourcePackage: linux-hwe-6.8
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/19/2023
dmi.bios.release: 1.15
dmi.bios.vendor: HP
dmi.bios.version: U61 Ver. 01.01.15
dmi.board.name: 8962
dmi.board.vendor: HP
dmi.board.version: KBC Version 11.14.00
dmi.chassis.type: 3
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 17.20
dmi.modalias:
dmi:bvnHP:bvrU61Ver.01.01.15:bd04/19/2023:br1.15:efr17.20:svnHP:pnHPZ4G5WorkstationDesktopPC:pvr:rvnHP:rn8962:rvrKBCVersion11.14.00:cvnHP:ct3:cvr:sku57K36AV:
dmi.product.family: 103C_53335X HP Workstation
dmi.product.name: HP Z4 G5 Workstation Desktop PC
dmi.product.sku: 57K36AV
dmi.sys.vendor: HP
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