Alexander Vinbæk Strand, thank you for reporting this and helping make Ubuntu better.
Could you please run the following command once from a terminal by ensuring you have the package xdiagnose installed, and that you click the Yes button for attaching additional debugging information: apport-collect -p xorg 1572667 When reporting xorg related bugs in the future, please do so via the above method. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs. ** This bug is no longer a duplicate of bug 1550779 [i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches ** Package changed: xserver-xorg-video-intel (Ubuntu) => xorg (Ubuntu) ** Changed in: xorg (Ubuntu) Importance: Medium => Low ** Changed in: xorg (Ubuntu) Status: Confirmed => Incomplete ** Tags removed: apport-collected compiz-0.9 ubuntu ** Attachment removed: "xdpyinfo.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647188/+files/xdpyinfo.txt ** Attachment removed: "XorgLogOld.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647186/+files/XorgLogOld.txt ** Attachment removed: "XorgLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647185/+files/XorgLog.txt ** Attachment removed: "UnitySupportTest.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647184/+files/UnitySupportTest.txt ** Attachment removed: "UdevDb.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647183/+files/UdevDb.txt ** Attachment removed: "Xrandr.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647187/+files/Xrandr.txt ** Attachment removed: "ProcModules.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647182/+files/ProcModules.txt ** Attachment removed: "ProcInterrupts.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647181/+files/ProcInterrupts.txt ** Attachment removed: "ProcEnviron.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647180/+files/ProcEnviron.txt ** Attachment removed: "MonitorsUser.xml.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647178/+files/MonitorsUser.xml.txt ** Attachment removed: "ProcCpuinfo.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647179/+files/ProcCpuinfo.txt ** Attachment removed: "Lsusb.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647177/+files/Lsusb.txt ** Attachment removed: "Lspci.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647176/+files/Lspci.txt ** Attachment removed: "LightdmLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647175/+files/LightdmLog.txt ** Attachment removed: "LightdmGreeterLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647173/+files/LightdmGreeterLog.txt ** Attachment removed: "LightdmDisplayLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647172/+files/LightdmDisplayLog.txt ** Attachment removed: "LightdmGreeterLogOld.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647174/+files/LightdmGreeterLogOld.txt ** Attachment removed: "GconfCompiz.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647170/+files/GconfCompiz.txt ** Attachment removed: "JournalErrors.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647171/+files/JournalErrors.txt ** Attachment removed: "Dependencies.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647168/+files/Dependencies.txt ** Attachment removed: "CurrentDmesg.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647167/+files/CurrentDmesg.txt ** Attachment removed: "DpkgLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647169/+files/DpkgLog.txt ** Attachment removed: "BootLog.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4647166/+files/BootLog.txt ** Attachment removed: "stacktrace.txt" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+attachment/4642062/+files/stacktrace.txt -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1572667 Title: [Thinkpad T450s] Screen flickering on external monitors with docking station To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1572667/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
