[Bug 1891502] Re: tpm tpm0: Error (28) sending savestate before suspend

Any update? @kaihengfeng Thanks

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https://bugs.launchpad.net/bugs/1891502

Title:
tpm tpm0: Error (28) sending savestate before suspend

Status in linux package in Ubuntu:
Incomplete

Bug description:
Upon clicking suspend via Log Out... button in Xubuntu and also via
systemctl suspend, the screen turns to black for 2 sec but then brings
me back to log in screen instead of suspending.

This was not an issue in 18.04. Currently on fresh install of 20.04.1.

Aug 13 08:12:59 laptop kernel: [87528.628302] PM: suspend entry (s2idle)
Aug 13 08:13:00 laptop kernel: [87529.250844] printk: Suspending console(s) (use no_console_suspend to debug)

Aug 13 08:13:00 laptop kernel: [87529.250844] printk: Suspending console(s) (use no_console_suspend to debug)
Aug 13 08:13:00 laptop kernel: [87529.555272] tpm tpm0: Error (28) sending savestate before suspend
Aug 13 08:13:00 laptop kernel: [87529.555287] PM: __pnp_bus_suspend(): tpm_pm_suspend+0x0/0x80 returns 28
Aug 13 08:13:00 laptop kernel: [87529.555292] PM: dpm_run_callback(): pnp_bus_suspend+0x0/0x20 returns 28
Aug 13 08:13:00 laptop kernel: [87529.555296] PM: Device 00:01 failed to suspend: error 28
Aug 13 08:13:00 laptop kernel: [87529.929361] PM: Some devices failed to suspend, or early wake event detected
Aug 13 08:13:01 laptop kernel: [87530.458095] PM: suspend exit
Aug 13 08:13:01 laptop systemd[1]: systemd-suspend.service: Succeeded.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-42-generic 5.4.0-42.46
ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
Uname: Linux 5.4.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: smrtalec 1174 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
Date: Thu Aug 13 08:25:19 2020
InstallationDate: Installed on 2020-08-10 (2 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: Hewlett-Packard HP Compaq 2510p Notebook PC
PccardctlIdent:
Socket 0:
no product info available
PccardctlStatus:
Socket 0:
no card
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=bf5ecda3-8bba-45a8-8f73-038836aa1952 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-42-generic N/A
linux-backports-modules-5.4.0-42-generic N/A
linux-firmware 1.187.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/11/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68MSP Ver. F.30
dmi.board.name: 30C9
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 75.28
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68MSPVer.F.30:bd11/11/2011:svnHewlett-Packard:pnHPCompaq2510pNotebookPC:pvrF.30:rvnHewlett-Packard:rn30C9:rvrKBCVersion75.28:cvnHewlett-Packard:ct10:cvr:
dmi.product.family: 103C_5336AN
dmi.product.name: HP Compaq 2510p Notebook PC
dmi.product.sku: KR918UT#ABA
dmi.product.version: F.30
dmi.sys.vendor: Hewlett-Packard

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