ad 1) When I boot the old kernel, the lines start to appear. They stay as long as I run the old kernel. When I boot the new kernel, they are there at the beginning and then slowly fade away and never come again. ad 2)3) Even if the cause was different, the reported behavior is the same.
Anyway, its fixed now. Thanks for your help. -- 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/1771204 Title: Horizontal lines on Samsung Laptop np900x3f after Update to 18.04 Status in linux package in Ubuntu: Incomplete Bug description: My laptop was running fine for years, but after the latest update to 18.04 and the reboot there were horizontal lines everywhere. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: xorg 1:7.7+19ubuntu7 ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: None CurrentDesktop: GNOME Date: Mon May 14 22:31:29 2018 DistUpgraded: 2018-05-11 10:45:03,937 DEBUG Running PostInstallScript: './xorg_fix_proprietary.py' DistroCodename: bionic DistroVariant: ubuntu DkmsStatus: virtualbox, 5.2.10, 4.13.0-41-generic, x86_64: installed virtualbox, 5.2.10, 4.15.0-20-generic, x86_64: installed ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Samsung Electronics Co Ltd 3rd Gen Core processor Graphics Controller [144d:c0f9] InstallationDate: Installed on 2013-11-21 (1635 days ago) InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017) MachineType: SAMSUNG ELECTRONICS CO., LTD. 900X3F ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-20-generic root=/dev/mapper/ubuntu--gnome--vg-root ro vesafb.invalid=1 drm.debug=0xe plymouth:debug SourcePackage: xorg Symptom: display UpgradeStatus: Upgraded to bionic on 2018-05-11 (3 days ago) dmi.bios.date: 04/26/2013 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: P00ACX dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: NP900X3F-K01DE dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP00ACX:bd04/26/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn900X3F:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP900X3F-K01DE:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.family: ChiefRiver System dmi.product.name: 900X3F dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.92+git1805100630.cb592a~oibaf~b version.libgl1-mesa-dri: libgl1-mesa-dri 18.2~git1805140730.ff7521~oibaf~b version.libgl1-mesa-glx: libgl1-mesa-glx 18.2~git1805140730.ff7521~oibaf~b version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.5-1ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20171229-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2 xserver.bootTime: Fri Apr 22 16:22:53 2016 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.outputs: product id 1495 vendor BOE xserver.version: 2:1.17.2-1ubuntu9.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1771204/+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
