The bug used to affect my Dell XPS 13 9343. It is no longer the case with the package uploaded to vivid-proposed, the video output does look very good now and corruptions are visible. Information on package's installed version follow:
alessio@bizet:~$ dpkg-query -s xserver-xorg-video-intel Package: xserver-xorg-video-intel Status: install ok installed Priority: optional Section: x11 Installed-Size: 3174 Maintainer: Ubuntu Developers <ubuntu-devel-disc...@lists.ubuntu.com> Architecture: amd64 Version: 2:2.99.917-1~exp1ubuntu2.2 Provides: xorg-driver-video Depends: libc6 (>= 2.17), libdrm-intel1 (>= 2.4.38), libdrm2 (>= 2.4.25), libpciaccess0 (>= 0.8.0+git20071002), libpixman-1-0 (>= 0.30.0), libudev1 (>= 183), libx11-6, libx11-xcb1, libxcb-dri2-0, libxcb-dri3-0, libxcb-sync1, libxcb-util0 (>= 0.3.8), libxcb1, libxcursor1 (>> 1.1.2), libxdamage1 (>= 1:1.1), libxext6, libxfixes3, libxinerama1, libxrandr2 (>= 2:1.2.99.2), libxrender1, libxshmfence1, libxtst6, libxv1, libxvmc1, xorg-video-abi-19, xserver-xorg-core (>= 2:1.16.99.901) Description: X.Org X server -- Intel i8xx, i9xx display driver This package provides the driver for the Intel i8xx and i9xx family of chipsets, including i810, i815, i830, i845, i855, i865, i915, i945 and i965 series chips. . This package also provides XvMC (XVideo Motion Compensation) drivers for i810/i815 and i9xx and newer chipsets. . This package is built from the X.org xf86-video-intel driver module. Homepage: http://www.x.org/ Original-Maintainer: Debian X Strike Force <debia...@lists.debian.org> -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1449892 Title: yuv to rgb translation is faulty for Intel Generation 8 Graphics Status in X.org xf86-video-intel: Fix Released Status in xserver-xorg-video-intel package in Ubuntu: Fix Released Status in xserver-xorg-video-intel source package in Vivid: Fix Committed Status in xserver-xorg-video-intel package in Debian: Confirmed Bug description: [Impact] running mplayer or vlc the video output is incorrect. There are are 2 line steps on edges. The problems is known and there is already an upstream fix available. http://www.spinics.net/lists/intel-gfx/msg65030.html I have rebuild the driver with git from 2015-04-28, and the video output is correct now. The bugfix is for Generation 8 Intel graphics like Intel NUC with Core I5-5250 and HD6000 grahics in my case. The used version is Ubuntu vivid amd64. [Test Case] Launch Skype, VLC or mplayer and use xv as video output. A sample of the corruption can be found here: https://a.disquscdn.com/uploads/mediaembed/images/1942/867/original.jpg [Regression Potential] None. Admittedly I may not be the right one to fully assess the risk. Any help on this matter would be much appreciated. [Other Info] Already fixed upstream. To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1449892/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
