Suspend Problem

[Jacek Maza]

The system doesn't suspend correctly any more after upgrading to kernel 6.8.0-43 - it worked fine with kernel 6.8.0-41.

The problem seems to be a failure to suspend the ethernet device which has been introduced in a fix of
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2073358

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-45-generic 6.8.0-45.45
ProcVersionSignature: Ubuntu 6.8.0-45.45-generic 6.8.12
Uname: Linux 6.8.0-45-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/seq: jmaza 2692 F.... pipewire
 /dev/snd/controlC0: jmaza 2692 F.... pipewire
                      jmaza 2697 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 1 21:49:48 2024
InstallationDate: Installed on 2024-10-01 (0 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64 (20240827.1)
MachineType: LENOVO 21M7CTO1WW
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-45-generic root=UUID=2daaca9a-cd26-4d0b-84a7-9966e08aa5d8 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-6.8.0-45-generic N/A
 linux-backports-modules-6.8.0-45-generic N/A
 linux-firmware 20240318.git3b128b60-0ubuntu2.4
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/05/2024
dmi.bios.release: 1.12
dmi.bios.vendor: LENOVO
dmi.bios.version: R2JET35W(1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 21M7CTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.12
dmi.modalias: dmi:bvnLENOVO:bvrR2JET35W(1.12):bd07/05/2024:br1.12:efr1.12:svnLENOVO:pn21M7CTO1WW:pvrThinkPadE14Gen6:rvnLENOVO:rn21M7CTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21M7_BU_Think_FM_ThinkPadE14Gen6:
dmi.product.family: ThinkPad E14 Gen 6
dmi.product.name: 21M7CTO1WW
dmi.product.sku: LENOVO_MT_21M7_BU_Think_FM_ThinkPad E14 Gen 6
dmi.product.version: ThinkPad E14 Gen 6
dmi.sys.vendor: LENOVO

[Jacek Maza (jacekmaza)]

After running
$ sudo pm-suspend

I see
$ dmesg -T

...
[ 120.118373] PM: suspend entry (s2idle)
[ 120.118651] Filesystems sync: 0.000 seconds
[ 120.124072] Freezing user space processes
[ 120.125902] Freezing user space processes completed (elapsed 0.001 seconds)
[ 120.125908] OOM killer disabled.
[ 120.125909] Freezing remaining freezable tasks
[ 120.127040] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
[ 120.127046] printk: Suspending console(s) (use no_console_suspend to debug)
[ 120.143597] wlp0s20f3: deauthenticating from 34:fa:9f:0f:7f:48 by local choice (Reason: 3=DEAUTH_LEAVING)
[ 120.453327] e1000e: EEE TX LPI TIMER: 00000011
[ 120.541605] e1000e 0000:00:1f.6: PM: pci_pm_suspend(): e1000e_pm_suspend+0x0/0xa0 [e1000e] returns -2
[ 120.541626] e1000e 0000:00:1f.6: PM: dpm_run_callback(): pci_pm_suspend+0x0/0x1b0 returns -2
[ 120.541632] e1000e 0000:00:1f.6: PM: failed to suspend async: error -2
[ 121.554449] ucsi_acpi USBC000:00: possible UCSI driver bug 2
[ 121.554460] ucsi_acpi USBC000:00: con26: failed to get status
[ 121.569667] PM: Some devices failed to suspend, or early wake event detected
...