Frank Winklmeier, in order to allow additional upstream mainline kernel developers to examine the issue, at your earliest convenience, could you please test the latest mainline kernel available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please keep in mind the following: 1) The one to test is at the very top line at the top of the page (not the daily folder). 2) The release names are irrelevant. 3) The folder time stamps aren't indicative of when the kernel actually was released upstream. 4) Install instructions are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds .
If testing on your main install would be inconvenient, one may: 1) Install Ubuntu to a different partition and then test this there. 2) Backup, or clone the primary install. If the latest kernel did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the mainline kernel, please comment on which kernel version specifically you tested. If this issue is not reproducible in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the Bug Description: kernel-fixed-upstream kernel-fixed-upstream-X.Y-rcZ Where X, and Y are the first two numbers of the kernel version, and Z is the release candidate number if it exists. If the issue is reproducible with the mainline kernel, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-X.Y-rcZ Please note, an error to install the kernel does not fit the criteria of kernel-bug-exists-upstream. Also, you don't need to apport-collect further unless specifically requested to do so. It is most helpful that after testing of the latest mainline kernel is complete, you mark this report Status Confirmed. Lastly, to keep this issue relevant to upstream, please continue to test the latest mainline kernel as it becomes available. Thank you for your help. ** Summary changed: - Horizontal lines on Samsung Laptop np900x3g after update to 4.13.0-43 + [Samsung NP900X3G-S01US] Horizontal lines after update to 4.13.0-43 -- 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/1773581 Title: [Samsung NP900X3G-S01US] Horizontal lines after update to 4.13.0-43 Status in linux package in Ubuntu: Incomplete Bug description: After updating my Ubuntu 16.04 kernel from 4.13.0-41 to 4.13.0-43, I am seeing horizontal lines on the display. Rebooting into -41 makes them disappear. This is most likely the same problem as seen in 18.04 by another user: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1771204 (also see the attached photo there) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.13.0-43-generic 4.13.0-43.48~16.04.1 ProcVersionSignature: Ubuntu 4.13.0-43.48~16.04.1-generic 4.13.16 Uname: Linux 4.13.0-43-generic x86_64 NonfreeKernelModules: openafs ApportVersion: 2.20.1-0ubuntu2.17 Architecture: amd64 CurrentDesktop: Unity Date: Sat May 26 22:56:48 2018 InstallationDate: Installed on 2014-05-19 (1468 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) SourcePackage: linux-hwe UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.20.1-0ubuntu2.17 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: fwinkl 2305 F.... pulseaudio /dev/snd/controlC1: fwinkl 2305 F.... pulseaudio DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=00a4b15e-a4f1-4b35-9c8a-5ea33b1c6762 InstallationDate: Installed on 2014-05-19 (1468 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: SAMSUNG ELECTRONICS CO., LTD. 900X3G NonfreeKernelModules: openafs Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-43-generic root=UUID=ed5ec6cc-07cf-4e98-8b4e-efa0ba2d07a9 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.13.0-43.48~16.04.1-generic 4.13.16 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.13.0-43-generic N/A linux-backports-modules-4.13.0-43-generic N/A linux-firmware 1.157.18 Tags: xenial Uname: Linux 4.13.0-43-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True dmi.bios.date: 10/31/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P07ADU.029.141031.PS dmi.board.asset.tag: No Asset Tag dmi.board.name: NP900X3G-S01US dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SAMSUNG_SW_REVISION_1234567890ABCD dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP07ADU.029.141031.PS:bd10/31/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn900X3G:pvrP07ADU:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP900X3G-S01US:rvrSAMSUNG_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A: dmi.product.family: SAMSUNG SENS dmi.product.name: 900X3G dmi.product.version: P07ADU dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. 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