Public bug reported:

When the computer goes into standby mode, sometimes, but not always, the
system freezes and can only be woken up again by a hard reset

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.11.0-28-generic 6.11.0-28.28~24.04.1
ProcVersionSignature: Ubuntu 6.11.0-28.28~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-28-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  johannes   2291 F.... wireplumber
 /dev/snd/seq:        johannes   2286 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul  2 18:46:37 2025
InstallationDate: Installed on 2025-03-21 (103 days ago)
InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
IwConfig:
 lo        no wireless extensions.
 
 eno1      no wireless extensions.
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 046a:c122 CHERRY CHERRY USB Keyboard
 Bus 001 Device 003: ID 046d:c077 Logitech, Inc. Mouse
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Lsusb-t:
 /:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/16p, 480M
     |__ Port 006: Dev 002, If 0, Class=Human Interface Device, Driver=usbhid, 
1.5M
     |__ Port 006: Dev 002, If 1, Class=Human Interface Device, Driver=usbhid, 
1.5M
     |__ Port 011: Dev 003, If 0, Class=Human Interface Device, Driver=usbhid, 
1.5M
 /:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/10p, 10000M
MachineType: Dell Inc. OptiPlex 5060
ProcEnviron:
 LANG=de_DE.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.11.0-28-generic 
root=UUID=41e43d3f-512e-4799-8e48-fac7ce5e54a9 ro 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-6.11.0-28-generic N/A
 linux-backports-modules-6.11.0-28-generic  N/A
 linux-firmware                             20240318.git3b128b60-0ubuntu2.13
RfKill:
 
SourcePackage: linux-hwe-6.11
UpgradeStatus: No upgrade log present (probably fresh install)
acpidump: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] 
failed with exit code 126: Error executing command as another user: Request 
dismissed
dmi.bios.date: 09/03/2024
dmi.bios.release: 1.32
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.32.0
dmi.board.name: 0P1KTG
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvr1.32.0:bd09/03/2024:br1.32:svnDellInc.:pnOptiPlex5060:pvr:rvnDellInc.:rn0P1KTG:rvrA00:cvnDellInc.:ct3:cvr:sku085B:
dmi.product.family: OptiPlex
dmi.product.name: OptiPlex 5060
dmi.product.sku: 085B
dmi.sys.vendor: Dell Inc.

** Affects: linux-hwe-6.11 (Ubuntu)
     Importance: Undecided
         Status: New


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

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https://bugs.launchpad.net/bugs/2115816

Title:
  System freeze when sent to standby mode

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