Public bug reported:
When I connect Display Port it does not connect.
xrandr says:
Screen 0: minimum 8 x 8, current 1440 x 900, maximum 32767 x 32767
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
VGA1 connected 1440x900+0+0 (normal left inverted right x axis y axis) 408mm x
255mm
1440x900 59.89*+ 74.98
1280x1024 75.02 60.02
1280x960 60.00
1152x864 75.00
1024x768 75.08 70.07 66.01 60.00
832x624 74.55
800x600 72.19 75.00 60.32 56.25
640x480 75.00 72.81 66.67 66.03 60.00
720x400 70.08
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
I've enabled drm.debug=0xe in grub, so I'm also attaching dmesg output.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-22-generic 4.4.0-22.40
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic i686
ApportVersion: 2.20.1-0ubuntu2
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tcuser 1045 F.... pulseaudio
CurrentDesktop: XFCE
Date: Wed May 25 14:29:36 2016
HibernationDevice: RESUME=UUID=345a1970-34c2-45c3-bcfd-0f92c1f4cd55
InstallationDate: Installed on 2016-05-18 (6 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
IwConfig:
lo no wireless extensions.
enp4s0 no wireless extensions.
MachineType: Hewlett-Packard hp t5740
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.4.0-22-generic
root=UUID=dcb4e8e6-4384-4f59-8853-cd40e1896852 ro rootflags=subvol=@ quiet
splash drm.debug=0xe vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-22-generic N/A
linux-backports-modules-4.4.0-22-generic N/A
linux-firmware 1.157
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/12/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 786R8 v1.01
dmi.board.asset.tag: Climbers
dmi.board.name: 3641h
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: Asset tracking
dmi.chassis.type: 3
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr786R8v1.01:bd11/12/2009:svnHewlett-Packard:pnhpt5740:pvr:rvnHewlett-Packard:rn3641h:rvr:cvnHewlett-Packard:ct3:cvr:
dmi.product.name: hp t5740
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 xenial
** Attachment added: "dmesg output"
https://bugs.launchpad.net/bugs/1585616/+attachment/4670138/+files/dmesg.txt
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https://bugs.launchpad.net/bugs/1585616
Title:
Display Port on HP t5740 is not working
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