I experience absolutely the same problem after upgrading to Kubuntu 18.04. I am using Dell Latitude e5570 laptop and everything worked fine on 16.04. Please let me know what info is needed to investigate the problem.
# uname -a Linux latitude 4.15.0-20-generic #21-Ubuntu SMP Tue Apr 24 06:16:15 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux # sudo lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04 LTS Release: 18.04 Codename: bionic -- 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/1619815 Title: Resuming after suspend restarts laptop (when on battery) Status in linux package in Ubuntu: Incomplete Bug description: When suspending via closing lid or sudo pm-suspend, doesn't always suspend and when resuming the laptop restarts. Suspend resume works fine when the laptop is plugged in, the problem always appears when on battery. The laptop is asus N752VX ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-36-generic 4.4.0-36.55 ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16 Uname: Linux 4.4.0-36-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: nikola 3842 F.... pulseaudio CurrentDesktop: KDE Date: Sat Sep 3 01:56:38 2016 HibernationDevice: RESUME=UUID=9c2c64a9-c98c-4d02-ae32-ace578c39024 InstallationDate: Installed on 2016-07-01 (63 days ago) InstallationMedia: Kubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: ASUSTeK COMPUTER INC. N752VX ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic root=UUID=3a04fbec-8e67-4764-8754-1d4ee730e82c ro quiet splash RelatedPackageVersions: linux-restricted-modules-4.4.0-36-generic N/A linux-backports-modules-4.4.0-36-generic N/A linux-firmware 1.157.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/26/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: N752VX.204 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: N752VX dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: ATN12345678901234567 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN752VX.204:bd01/26/2016:svnASUSTeKCOMPUTERINC.:pnN752VX:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN752VX:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: N752VX dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1619815/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
