I tried HDMI instead of DP and it worked without any problem. I haven't
gotten around to changing the desktop environment yet

On Sun, Nov 18, 2018 at 11:40 PM Daniel van Vugt <
<email address hidden>> wrote:

> Yes please, just for testing so we can narrow down what (if any) shared
> component the bug is in.
>
> Please try both Gnome Shell sessions: "Ubuntu" and "Ubuntu on Wayland".
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1803752
>
> Title:
>   HID inputs (mouse buttons and keyboard) stop responding when plug in
>   DP monitor
>
> Status in ubuntu-mate:
>   New
> Status in mate-common package in Ubuntu:
>   New
> Status in xorg-server package in Ubuntu:
>   Incomplete
>
> Bug description:
>   Ever since upgrading to 18.10 plugging in external monitors has been
>   buggy.
>
>   Device Lenovo T460s. Ubuntu-Mate 18.10.
>
>   Plugging in External monitor using mini-display port causes keyboard to
> be unresponsive. Mouse buttons as well. though can still move mouse on
> screen. Plugging in and out using arndr sometimes resolves this.
> Notwithstanding, no smooth transition to multimonitor mode.
>   ---
>   ProblemType: Bug
>   ApportVersion: 2.20.10-0ubuntu13.1
>   Architecture: amd64
>   CompizPlugins:
>    (gconftool-2:31954): GConf-WARNING **: 21:41:20.841: Client failed to
> connect to the D-BUS daemon:
>    Did not receive a reply. Possible causes include: the remote
> application did not send a reply, the message bus security policy blocked
> the reply, the reply timeout expired, or the network connection was broken.
>    Failed to get value for
> `/apps/compiz-1/general/screen0/options/active_plugins': No D-BUS daemon
> running
>   CompositorRunning: None
>   CurrentDesktop: MATE
>   DistUpgraded: 2018-10-17 21:42:48,989 DEBUG Running PostInstallScript:
> './xorg_fix_proprietary.py'
>   DistroCodename: cosmic
>   DistroRelease: Ubuntu 18.10
>   DistroVariant: ubuntu
>   ExtraDebuggingInterest: Yes
>   GraphicsCard:
>    Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07)
> (prog-if 00 [VGA controller])
>      Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
>   InstallationDate: Installed on 2016-07-23 (848 days ago)
>   InstallationMedia: Ubuntu-MATE 16.04.1 LTS "Xenial Xerus" - Release
> amd64 (20160719)
>   LightdmDisplayLog:
>    (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
>    (II) AIGLX: Suspending AIGLX clients for VT switch
>    (II) AIGLX: Suspending AIGLX clients for VT switch
>    (II) AIGLX: Suspending AIGLX clients for VT switch
>   MachineType: LENOVO 20F9004FUS
>   Package: xorg-server (not installed)
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-11-generic
> root=UUID=074ff7b7-c074-4137-8cf7-d46cdd7dd723 ro quiet nosplash
>   ProcVersionSignature: Ubuntu 4.18.0-11.12-generic 4.18.12
>   Tags:  cosmic ubuntu
>   Uname: Linux 4.18.0-11-generic x86_64
>   UpgradeStatus: Upgraded to cosmic on 2018-10-18 (32 days ago)
>   UserGroups:
>
>   _MarkForUpload: True
>   dmi.bios.date: 03/22/2018
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: N1CET66W (1.34 )
>   dmi.board.asset.tag: Not Available
>   dmi.board.name: 20F9004FUS
>   dmi.board.vendor: LENOVO
>   dmi.board.version: SDK0J40705 WIN
>   dmi.chassis.asset.tag: No Asset Information
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.chassis.version: None
>   dmi.modalias:
> dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20F9004FUS:pvrThinkPadT460s:rvnLENOVO:rn20F9004FUS:rvrSDK0J40705WIN:cvnLENOVO:ct10:cvrNone:
>   dmi.product.family: ThinkPad T460s
>   dmi.product.name: 20F9004FUS
>   dmi.product.sku: LENOVO_MT_20F9_BU_Think_FM_ThinkPad T460s
>   dmi.product.version: ThinkPad T460s
>   dmi.sys.vendor: LENOVO
>   version.compiz: compiz 1:0.9.13.1+18.10.20180930-0ubuntu1
>   version.libdrm2: libdrm2 2.4.95-1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
>   version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
>   version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.6-1
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.917+git20171229-1ubuntu1
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3
>
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>