Public bug reported: Systems fails to suspend (or resume) after toggling "Automatic suspend" on then off.
Test case: Start the system. Set "Settings > Power > Automatic suspend" to "Never" for when the PC is plugged in. Wait for some time. Set "Settings > Power > Automatic suspend" back to "15 minutes". Wait for some time. The system goes to sleep but weirdley (the power LED stays of) and then can't be wakened up (and has to be rebooted). Happens on a fully up to date Ubuntu 24.04 install on an Asus Zenbook UX410. The problem has existed consistently across releases for years. Nothing shows in journalctcl, as far as I know. Last lines (reverse order) are: vril 20 21:09:49 massada wpa_supplicant[2377]: nl80211: deinit ifname=wlp2s0 disabled_11b_rates=0 avril 20 21:09:49 massada wpa_supplicant[2377]: wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all avril 20 21:09:49 massada kernel: PM: suspend entry (deep) avril 20 21:09:49 massada systemd-sleep[75048]: Performing sleep operation 'suspend'... avril 20 21:09:49 massada wpa_supplicant[2377]: wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all avril 20 21:09:49 massada systemd[1]: Starting systemd-suspend.service - System Suspend... avril 20 21:09:49 massada systemd[1]: Reached target sleep.target - Sleep. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.11.0-24-generic 6.11.0-24.24~24.04.1 ProcVersionSignature: Ubuntu 6.11.0-24.24~24.04.1-generic 6.11.11 Uname: Linux 6.11.0-24-generic x86_64 ApportVersion: 2.28.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: guillaume 3088 F.... wireplumber /dev/snd/seq: guillaume 3083 F.... pipewire CRDA: N/A CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Sun Apr 20 22:23:24 2025 InstallationDate: Installed on 2025-01-21 (89 days ago) InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64 (20240827.1) MachineType: ASUSTeK COMPUTER INC. UX410UAK ProcEnviron: LANG=fr_FR.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-24-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.11.0-24-generic N/A linux-backports-modules-6.11.0-24-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.11 SourcePackage: linux-hwe-6.11 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/17/2019 dmi.bios.release: 5.12 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX410UAK.312 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX410UAK dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX410UAK.312:bd04/17/2019:br5.12:svnASUSTeKCOMPUTERINC.:pnUX410UAK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX410UAK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku: dmi.product.family: ZenBook dmi.product.name: UX410UAK dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. ** Affects: linux-hwe-6.11 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug noble wayland-session -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-6.11 in Ubuntu. https://bugs.launchpad.net/bugs/2107734 Title: Systems fails to suspend after Automatic suspend toggle Status in linux-hwe-6.11 package in Ubuntu: New Bug description: Systems fails to suspend (or resume) after toggling "Automatic suspend" on then off. Test case: Start the system. Set "Settings > Power > Automatic suspend" to "Never" for when the PC is plugged in. Wait for some time. Set "Settings > Power > Automatic suspend" back to "15 minutes". Wait for some time. The system goes to sleep but weirdley (the power LED stays of) and then can't be wakened up (and has to be rebooted). Happens on a fully up to date Ubuntu 24.04 install on an Asus Zenbook UX410. The problem has existed consistently across releases for years. Nothing shows in journalctcl, as far as I know. Last lines (reverse order) are: vril 20 21:09:49 massada wpa_supplicant[2377]: nl80211: deinit ifname=wlp2s0 disabled_11b_rates=0 avril 20 21:09:49 massada wpa_supplicant[2377]: wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all avril 20 21:09:49 massada kernel: PM: suspend entry (deep) avril 20 21:09:49 massada systemd-sleep[75048]: Performing sleep operation 'suspend'... avril 20 21:09:49 massada wpa_supplicant[2377]: wlp2s0: CTRL-EVENT-DSCP-POLICY clear_all avril 20 21:09:49 massada systemd[1]: Starting systemd-suspend.service - System Suspend... avril 20 21:09:49 massada systemd[1]: Reached target sleep.target - Sleep. ProblemType: Bug DistroRelease: Ubuntu 24.04 Package: linux-image-6.11.0-24-generic 6.11.0-24.24~24.04.1 ProcVersionSignature: Ubuntu 6.11.0-24.24~24.04.1-generic 6.11.11 Uname: Linux 6.11.0-24-generic x86_64 ApportVersion: 2.28.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: guillaume 3088 F.... wireplumber /dev/snd/seq: guillaume 3083 F.... pipewire CRDA: N/A CasperMD5CheckResult: pass CurrentDesktop: ubuntu:GNOME Date: Sun Apr 20 22:23:24 2025 InstallationDate: Installed on 2025-01-21 (89 days ago) InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64 (20240827.1) MachineType: ASUSTeK COMPUTER INC. UX410UAK ProcEnviron: LANG=fr_FR.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color XDG_RUNTIME_DIR=<set> ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.11.0-24-generic root=/dev/mapper/ubuntu--vg-ubuntu--lv ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-6.11.0-24-generic N/A linux-backports-modules-6.11.0-24-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.11 SourcePackage: linux-hwe-6.11 UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/17/2019 dmi.bios.release: 5.12 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX410UAK.312 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX410UAK dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX410UAK.312:bd04/17/2019:br5.12:svnASUSTeKCOMPUTERINC.:pnUX410UAK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX410UAK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:sku: dmi.product.family: ZenBook dmi.product.name: UX410UAK dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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