Sorry for the belated response. According to the log, there's no suspend attempt. Probably the lid close status isn't right.
If you have another system, can you please SSH to the system and check "/proc/acpi/button/lid/LID0/state"? And before that, please update all packages. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1859380 Title: Sleep doesn't work on my ThinkPad X1 Yoga with Kubuntu 20.04 Status in linux package in Ubuntu: Confirmed Bug description: Sleep button doesn't work at all, and when I close the lid, the screen goes black, but there's a cursor, and it doesn't respond. Had to force shut down. Operating System: Kubuntu 20.04 KDE Plasma Version: 5.17.5 KDE Frameworks Version: 5.66.0 Qt Version: 5.12.5 Kernel Version: 5.4.0-9-generic OS Type: 64-bit Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz Memory: 15.3 GiB of RAM ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: kubuntu-desktop 1.392 ProcVersionSignature: Ubuntu 5.4.0-9.12-generic 5.4.3 Uname: Linux 5.4.0-9-generic x86_64 ApportVersion: 2.20.11-0ubuntu15 Architecture: amd64 CurrentDesktop: KDE Date: Sun Jan 12 19:24:55 2020 InstallationDate: Installed on 2020-01-03 (9 days ago) InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) SourcePackage: kubuntu-meta UpgradeStatus: Upgraded to focal on 2020-01-12 (0 days ago) --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CurrentDesktop: KDE DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2020-01-25 (9 days ago) InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200120) IwConfig: wlp0s20f3 no wireless extensions. lo no wireless extensions. enp0s31f6 no wireless extensions. MachineType: LENOVO 20SA0002US Package: linux (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-12-generic root=UUID=d3ea3aaf-4630-491b-8315-c7efa5381fdf ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 RelatedPackageVersions: linux-restricted-modules-5.4.0-12-generic N/A linux-backports-modules-5.4.0-12-generic N/A linux-firmware 1.186 Tags: focal Uname: Linux 5.4.0-12-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/15/2020 dmi.bios.vendor: LENOVO dmi.bios.version: N2QET19W (1.13 ) dmi.board.asset.tag: Not Available dmi.board.name: 20SA0002US dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 31 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2QET19W(1.13):bd01/15/2020:svnLENOVO:pn20SA0002US:pvrThinkPadX1Yoga4th:rvnLENOVO:rn20SA0002US:rvrSDK0J40697WIN:cvnLENOVO:ct31:cvrNone: dmi.product.family: ThinkPad X1 Yoga 4th dmi.product.name: 20SA0002US dmi.product.sku: LENOVO_MT_20SA_BU_Think_FM_ThinkPad X1 Yoga 4th dmi.product.version: ThinkPad X1 Yoga 4th dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859380/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp