Marcel Beerli, it will help immensely if you filed a new report with the Ubuntu repository kernel (not mainline/upstream) via a terminal: ubuntu-bug linux
Please feel free to subscribe me to it. For more on why this is helpful, please see https://wiki.ubuntu.com/ReportingBugs. -- 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/1586635 Title: Ubuntu 16.04 black screen after long suspend Status in linux package in Ubuntu: Incomplete Bug description: When I close the lid in my laptop (Slimbook) for short time, and open it again, the system resume perfectly. However, when I suspend my PC for long time, when I open the lid, it resumes with black screen and keyboard led on. I cant suspend it again closing the lid and combination of Ctrl + Alt + F3 not work. Need hard shutdown to recover the System. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-23-generic 4.4.0-23.41 ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10 Uname: Linux 4.4.0-23-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: vk496 1804 F.... pulseaudio /dev/snd/controlC1: vk496 1804 F.... pulseaudio CRDA: country BO: DFS-JP (2402 - 2482 @ 40), (N/A, 20), (N/A) (5250 - 5330 @ 80), (N/A, 30), (0 ms), DFS (5735 - 5835 @ 80), (N/A, 30), (N/A) CurrentDesktop: Unity Date: Sat May 28 14:25:57 2016 HibernationDevice: RESUME=UUID=bac2d5f4-7b92-4141-89f8-147737e447dc MachineType: ENZ C16B ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-23-generic.efi.signed root=UUID=90e2ad64-9662-478b-a2b9-110a8336fe59 ro elevator=noop quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-23-generic N/A linux-backports-modules-4.4.0-23-generic N/A linux-firmware 1.157 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/21/2014 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: c dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: C16B dmi.board.vendor: ENZ dmi.board.version: Type2 - Board Version dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ENZ dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnINSYDECorp.:bvrc:bd11/21/2014:svnENZ:pnC16B:pvr1.0:rvnENZ:rnC16B:rvrType2-BoardVersion:cvnENZ:ct10:cvrChassisVersion: dmi.product.name: C16B dmi.product.version: 1.0 dmi.sys.vendor: ENZ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1586635/+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