Attaxched is the boot log of the session where the but happened. The relevant section is:
Jul 20 08:21:07 philippe-XPS-15 systemd-logind[805]: Lid opened. Jul 20 08:21:09 philippe-XPS-15 systemd[1]: NetworkManager-dispatcher.service: Deactivated successfully. Jul 20 08:21:20 philippe-XPS-15 gsd-power[2784]: Failed to acquire idle monitor proxy: Timeout was reached Jul 20 08:21:20 philippe-XPS-15 gsd-power[2784]: Error setting property 'PowerSaveMode' on interface org.gnome.Mutter.DisplayConfig: Timeout was reached (g-io-error-quark, 24) Jul 20 08:21:20 philippe-XPS-15 gsd-power[2784]: Error setting property 'PowerSaveMode' on interface org.gnome.Mutter.DisplayConfig: Timeout was reached (g-io-error-quark, 24) Jul 20 08:21:20 philippe-XPS-15 gsd-power[2784]: Error setting property 'PowerSaveMode' on interface org.gnome.Mutter.DisplayConfig: Timeout was reached (g-io-error-quark, 24) Jul 20 08:21:20 philippe-XPS-15 systemd[1]: Reached target Sleep. Jul 20 08:21:20 philippe-XPS-15 systemd[1]: Starting Record successful boot for GRUB... Jul 20 08:21:20 philippe-XPS-15 systemd[1]: Starting NVIDIA system suspend actions... Jul 20 08:21:20 philippe-XPS-15 suspend[8292]: nvidia-suspend.service Jul 20 08:21:20 philippe-XPS-15 logger[8292]: <13>Jul 20 08:21:20 suspend: nvidia-suspend.service Jul 20 08:21:20 philippe-XPS-15 systemd[1]: grub-common.service: Deactivated successfully. Jul 20 08:21:20 philippe-XPS-15 systemd[1]: Finished Record successful boot for GRUB. Jul 20 08:21:20 philippe-XPS-15 systemd[1]: Starting GRUB failed boot detection... Jul 20 08:21:20 philippe-XPS-15 systemd[1]: grub-initrd-fallback.service: Deactivated successfully. Jul 20 08:21:20 philippe-XPS-15 systemd[1]: Finished GRUB failed boot detection. Jul 20 08:21:28 philippe-XPS-15 gsd-color[2772]: failed to set xrandr-Sharp Corporation color transform matrix: Timeout was reached Jul 20 08:21:29 philippe-XPS-15 systemd-logind[805]: Power key pressed. ** Attachment added: "prevboot.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1982319/+attachment/5604278/+files/prevboot.txt -- 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/1982319 Title: DELL XPS-15-9500 fails to resume after suspend Status in linux package in Ubuntu: New Bug description: On Ubuntu 22.04, after a suspend (lid close) the system does not wake up any more. I have to hard-resetthe system to reboot. I have a Dell XPS-15 9500 with Nvidia Drivers 515 (they are probably the cause of the issue). Description: Ubuntu 22.04 LTS Release: 22.04 see also: https://bugs.launchpad.net/bugs/1975454 ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-41-generic 5.15.0-41.44 ProcVersionSignature: Ubuntu 5.15.0-41.44-generic 5.15.39 Uname: Linux 5.15.0-41-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: philippe 2022 F.... pulseaudio CRDA: N/A CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Wed Jul 20 10:12:46 2022 InstallationDate: Installed on 2022-07-03 (16 days ago) InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419) MachineType: Dell Inc. XPS 15 9500 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-41-generic root=UUID=809645c5-d7c6-4ae8-9a08-351edabdbb7b ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.15.0-41-generic N/A linux-backports-modules-5.15.0-41-generic N/A linux-firmware 20220329.git681281e4-0ubuntu3.2 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 05/13/2022 dmi.bios.release: 1.15 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.15.1 dmi.board.name: 05XYW7 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.15.1:bd05/13/2022:br1.15:svnDellInc.:pnXPS159500:pvr:rvnDellInc.:rn05XYW7:rvrA00:cvnDellInc.:ct10:cvr:sku097D: dmi.product.family: XPS dmi.product.name: XPS 15 9500 dmi.product.sku: 097D dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1982319/+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