To add to #11: 5.4.0-16 and 5.4.0-17 go to suspend when the lid is closed, but *only once* after boot. on subsequent attempts, when the lid it closed, backlight and wifi are turned off, but system does not suspend.
First successful suspend: [ 147.413295] PM: suspend entry (s2idle) [ 147.416601] Filesystems sync: 0.003 seconds [ 147.419371] Freezing user space processes ... (elapsed 0.001 seconds) done. [ 147.421210] OOM killer disabled. [ 147.421210] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [ 147.422375] printk: Suspending console(s) (use no_console_suspend to debug) [ 147.422630] wlp0s20f3: deauthenticating from 18:d6:c7:61:95:c2 by local choice (Reason: 3=DEAUTH_LEAVING) [ 147.527810] e1000e: EEE TX LPI TIMER: 00000011 [ 150.246317] ACPI: EC: interrupt blocked [ 881.134544] ACPI: EC: interrupt unblocked [ 883.933255] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM [ 884.047802] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM [ 884.112730] iwlwifi 0000:00:14.3: FW already configured (0) - re-configuring [ 886.815475] e1000e 0000:00:1f.6 enp0s31f6: PHY Wakeup cause - Unicast Packet [ 887.485832] e1000e 0000:00:1f.6 enp0s31f6: Hardware Error [ 888.016931] OOM killer enabled. [ 888.016932] Restarting tasks ... done. [ 888.060613] PM: suspend exit Second unsuccessful suspend: [ 907.584802] PM: suspend entry (s2idle) [ 907.589779] Filesystems sync: 0.004 seconds [ 907.591416] Freezing user space processes ... (elapsed 0.002 seconds) done. [ 907.593518] OOM killer disabled. [ 907.593518] Freezing remaining freezable tasks ... (elapsed 0.328 seconds) done. [ 907.921560] printk: Suspending console(s) (use no_console_suspend to debug) [ 907.922127] wlp0s20f3: deauthenticating from 18:d6:c7:61:95:c2 by local choice (Reason: 3=DEAUTH_LEAVING) [ 908.024438] e1000e: EEE TX LPI TIMER: 00000011 [ 909.916364] PM: pci_pm_suspend(): e1000e_pm_suspend+0x0/0x80 [e1000e] returns -2 [ 909.916367] PM: dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -2 [ 909.916369] PM: Device 0000:00:1f.6 failed to suspend async: error -2 [ 911.183052] PM: Some devices failed to suspend, or early wake event detected [ 911.197091] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM [ 911.314903] iwlwifi 0000:00:14.3: Applying debug destination EXTERNAL_DRAM [ 911.382438] iwlwifi 0000:00:14.3: FW already configured (0) - re-configuring [ 911.413624] OOM killer enabled. [ 911.413625] Restarting tasks ... done. [ 911.462021] PM: suspend exit -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-5.4 in Ubuntu. https://bugs.launchpad.net/bugs/1861462 Title: Lenovo Thinkpad X1 Carbon 7th Gen doesn't suspend and resume Status in linux-5.4 package in Ubuntu: Confirmed Status in linux-5.4 source package in Focal: Confirmed Bug description: Steps: 1. Install Ubuntu 20.04 daily image (tested Jan 29th, 2020 image) using default options. 2. apt update 3. apt upgrade 4. reboot so the machine is in pristine state 5. Close lid 6. Machine doesn't suspend (the light on the laptop power button doesn't pulsate) 7. Open the lid. The system doesn't respond and display is off 8. the only option is to power down the laptop and restart it. 9. upon restarting, Apport doesn't complain (this report was filed manually using ubuntu-bug) ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-12-generic 5.4.0-12.15 ProcVersionSignature: Ubuntu 5.4.0-12.15-generic 5.4.8 Uname: Linux 5.4.0-12-generic x86_64 ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 CurrentDesktop: GNOME Date: Thu Jan 30 18:56:41 2020 InstallationDate: Installed on 2020-01-30 (0 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200124) SourcePackage: linux-signed-5.4 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-5.4/+bug/1861462/+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
