apport information ** Tags added: apport-collected kubuntu third-party-packages vivid
** Description changed: On a fresh boot all works well, but after an indeterminate amount of time the screen starts tearing badly, most noticeably as a permanent vertical tear. Once this tearing starts, it affects everything (desktop, etc) but is mostly visible in videos. The only way to get rid of the tear is to reboot. I do not know where this tearing is occurring, compositor? graphics driver? Hardware, Intel NUC5i5RYK (integrated graphics), LG 31MU97 DCI 4K monitor (4096x2160). Using a Mini DisplayPort to HDMI cable between the NUC and monitor. 00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09) Software, Kubuntu 15.04 I also see the same problem in 15.10, but the computer I took the video of has 15.04 installed. The screen resolution is set to 4096x2160. In my syslog, I also see tons of these error messages (I dont know if they are related to the tearing). The error message repeats multiple times, and then stops. [ 668.879288] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt lied (SDE)! - I am hoping I can attach a video to this file which shows the tearing - (5.7MB) + I am hoping I can attach a video to this file which shows the tearing (5.7MB) + --- + ApportVersion: 2.17.2-0ubuntu1.8 + Architecture: amd64 + CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' + CompositorRunning: None + CurrentDesktop: KDE + DistUpgraded: Fresh install + DistroCodename: vivid + DistroRelease: Ubuntu 15.04 + DistroVariant: kubuntu + DkmsStatus: + virtualbox, 4.3.34, 3.19.0-43-generic, x86_64: installed + virtualbox, 4.3.34, 3.19.0-47-generic, x86_64: installed + ExtraDebuggingInterest: No + GraphicsCard: + Intel Corporation Broadwell-U Integrated Graphics [8086:1626] (rev 09) (prog-if 00 [VGA controller]) + Subsystem: Intel Corporation Device [8086:2057] + InstallationDate: Installed on 2016-01-12 (13 days ago) + InstallationMedia: Kubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) + Package: xorg 1:7.7+7ubuntu4 + PackageArchitecture: amd64 + ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-47-generic.efi.signed root=UUID=cfabd4b7-56e6-40a7-a43a-315a7389748e ro quiet splash vt.handoff=7 + ProcVersionSignature: Ubuntu 3.19.0-47.53-generic 3.19.8-ckt10 + Tags: third-party-packages vivid kubuntu + UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' + Uname: Linux 3.19.0-47-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 12/22/2015 + dmi.bios.vendor: Intel Corporation + dmi.bios.version: RYBDWi35.86A.0353.2015.1222.0947 + dmi.board.name: NUC5i5RYB + dmi.board.vendor: Intel Corporation + dmi.board.version: H40999-502 + dmi.chassis.type: 3 + dmi.modalias: dmi:bvnIntelCorporation:bvrRYBDWi35.86A.0353.2015.1222.0947:bd12/22/2015:svn:pn:pvr:rvnIntelCorporation:rnNUC5i5RYB:rvrH40999-502:cvn:ct3:cvr: + version.compiz: compiz N/A + version.ia32-libs: ia32-libs N/A + version.libdrm2: libdrm2 2.4.60-2 + version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.0-~0intel1 + version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A + version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.0-~0intel1 + version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1 + version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2 + version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2 + version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.3 + version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1 + xserver.bootTime: Tue Jan 26 08:36:27 2016 + xserver.configfile: default + xserver.errors: + + xserver.logfile: /var/log/Xorg.0.log + xserver.outputs: + product id 38 + vendor AJA + xserver.version: 2:1.17.1-0ubuntu3.1 ** Attachment added: "BootLog.txt" https://bugs.launchpad.net/bugs/1535447/+attachment/4556940/+files/BootLog.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1535447 Title: Intel Graphics 4K Screen Tearing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1535447/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
