** Description changed: The laptop shipped with Lenovo's 6.5.0-1019-oem, but upon upgrades switched to 6.8.0-47-generic which is generally preferred because 6.5-oem is no longer seeing updates. However, there is a regression that Fn+D Lenovo Privacy Guard does not - switch correctly on after the laptop has been connected to an external - display, and detaching from the external display does not help. Normal - behavior is possible only after rebooting with no external screen - attached. + switch correctly on. Instead, it only briefly flashed on and immediately + back off, with "Privacy screen enabled" followed immediately by "Privacy + screen disabled" at the bottom of the screen. + + This bug used to indicate it's clearly a kernel regression, but it may + be also a regression in some other component. ## Test Case Laptop model: Lenovo Thinkpad T14s Gen 5 (Intel) with vendor support Ubuntu 22.04 LTS (oem-sutton-carr-meta) 1. Boot to desktop, check that Fn+D is functional both to turn the feature on and off 2. Attach external display, and try again. 3. Detach external display, try again. 4. Reboot, and try again. ## Expected Behavior - Fn+D works as intended in all cases. This is how it works with - 6.5.0-1019-oem. + Fn+D works as intended in all cases. This is how it worked as the laptop + shipped, with 6.5.0-1019-oem as the kernel. ## Actual Behavior - In the case of 2. and 3., Fn+D only results in a "flashing" Privacy Guard being activated but immediately deactivated, so that it does not stay on. - --- + Fn+D only results in a "flashing" Privacy Guard being activated but + immediately deactivated, so that it does not stay on. + + --- + Bug description updated to reflect I can no longer find a way for it to behace correctly, but it did behave correctly in the configuration it shipped in, after which only offered upgrades have been done. + + --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu82.6 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: secto10 1765 F.... pulseaudio - /dev/snd/controlC1: secto10 1765 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: secto10 1765 F.... pulseaudio + /dev/snd/controlC1: secto10 1765 F.... pulseaudio CRDA: N/A CasperMD5CheckMismatches: ./.disk/casper-uuid-oem ./boot/grub/efi.img ./boot/grub/grub.cfg ./casper/initrd CasperMD5CheckResult: fail CurrentDesktop: ubuntu:GNOME DistributionChannelDescriptor: - # This is the distribution channel descriptor for the OEM CDs - # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor - canonical-oem-sutton-jammy-amd64-20240409-800 + # This is the distribution channel descriptor for the OEM CDs + # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor + canonical-oem-sutton-jammy-amd64-20240409-800 DistroRelease: Ubuntu 22.04 InstallationDate: Installed on 2024-04-23 (180 days ago) InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - pc-sutton-jammy-amd64-20240409-800 MachineType: LENOVO 21LSCTO1WW Package: linux-hwe-6.8 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-47-generic root=UUID=cd7231e8-b1db-45c4-aaa0-e396d0ff90b7 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 6.8.0-47.47~22.04.1-generic 6.8.12 RelatedPackageVersions: - linux-restricted-modules-6.8.0-47-generic N/A - linux-backports-modules-6.8.0-47-generic N/A - linux-firmware 20220329.git681281e4-0ubuntu3.34 + linux-restricted-modules-6.8.0-47-generic N/A + linux-backports-modules-6.8.0-47-generic N/A + linux-firmware 20220329.git681281e4-0ubuntu3.34 Tags: jammy wayland-session Uname: Linux 6.8.0-47-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 08/07/2024 dmi.bios.release: 1.7 dmi.bios.vendor: LENOVO dmi.bios.version: N46ET17W (1.07 ) dmi.board.asset.tag: Not Available dmi.board.name: 21LSCTO1WW dmi.board.vendor: LENOVO dmi.board.version: Not Defined dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.ec.firmware.release: 1.4 dmi.modalias: dmi:bvnLENOVO:bvrN46ET17W(1.07):bd08/07/2024:br1.7:efr1.4:svnLENOVO:pn21LSCTO1WW:pvrThinkPadT14sGen5:rvnLENOVO:rn21LSCTO1WW:rvrNotDefined:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_21LS_BU_Think_FM_ThinkPadT14sGen5: dmi.product.family: ThinkPad T14s Gen 5 dmi.product.name: 21LSCTO1WW dmi.product.sku: LENOVO_MT_21LS_BU_Think_FM_ThinkPad T14s Gen 5 dmi.product.version: ThinkPad T14s Gen 5 dmi.sys.vendor: LENOVO
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2085119 Title: Regression from linux-6.5 oem to linux-6.8 generic - Lenovo privacy guard does not work (flashes on and then off) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2085119/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
