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Message #133887
[Bug 1535447] Re: Intel Graphics 4K Screen Tearing
John Morris, to clarify, you upgraded the OS whose hardware is the
NUC5i5RYB (not some other computer with different parts) and this is
reproducible?
To advise, it's much easier to deal with different hardware that has similar/same symptoms if you filed a new report with Ubuntu by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information running the following from a terminal:
ubuntu-bug xorg
Also, please feel free to subscribe me to it.
For more on why this is helpful, please see
https://wiki.ubuntu.com/ReportingBugs.
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https://bugs.launchpad.net/bugs/1535447
Title:
Intel Graphics 4K Screen Tearing
Status in xorg package in Ubuntu:
Incomplete
Bug description:
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)
---
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
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