Public bug reported:
In that system only one display port is attached as seen by driver/X,
but the image is displayed on both screen, but mirrored, when I switch
to resolution 3840x1080 the image is stretched on both full hd displays.
The drawback of this situation is when I want to stretch to fullscreen
it stretches on both screens treated as one. This is not the case under
Windows.
Screen 0: minimum 320 x 200, current 3286 x 1080, maximum 16384 x 16384
eDP connected primary 1366x768+0+0 (normal left inverted right x axis y axis)
277mm x 156mm
1366x768 60.06*+ 40.04
1280x720 59.86
1152x768 59.78
1024x768 59.92
800x600 59.86
848x480 59.66
720x480 59.71
640x480 59.38
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 connected 1920x1080+1366+0 (normal left inverted right x axis y
axis) 509mm x 286mm
1920x1080 60.00*+
3840x1080 60.00
2560x1024 60.00
1680x1050 59.95
1600x900 60.00
1280x1024 60.02
1440x900 59.89
1280x720 60.00
1024x768 60.00
800x600 60.32
640x480 59.94
720x400 70.08
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-signed-image-generic 4.8.0.22.31
ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
Uname: Linux 4.8.0-22-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Dec 6 19:19:26 2016
MachineType: HP HP EliteBook 725 G3
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi
file=/cdrom/preseed/username.seed boot=casper quiet splash ---
RelatedPackageVersions:
linux-restricted-modules-4.8.0-22-generic N/A
linux-backports-modules-4.8.0-22-generic N/A
linux-firmware 1.161
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/29/2016
dmi.bios.vendor: HP
dmi.bios.version: N73 Ver. 01.12
dmi.board.name: 8084
dmi.board.vendor: HP
dmi.board.version: KBC Version 75.48
dmi.chassis.asset.tag: 5CG6255NMM
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrN73Ver.01.12:bd04/29/2016:svnHP:pnHPEliteBook725G3:pvr:rvnHP:rn8084:rvrKBCVersion75.48:cvnHP:ct10:cvr:
dmi.product.name: HP EliteBook 725 G3
dmi.sys.vendor: HP
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug yakkety
** Attachment added: "Screenshot from 2016-12-06 19-06-21.png"
https://bugs.launchpad.net/bugs/1647812/+attachment/4788218/+files/Screenshot%20from%202016-12-06%2019-06-21.png
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https://bugs.launchpad.net/bugs/1647812
Title:
HP EliteBook 725 G3 docked see only one DisplayPort attached
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