Please see comment #3
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https://bugs.launchpad.net/bugs/1079933
Title:
[Lenovo T530, W530]: External display does not work through Display
port or VGA
Status in “linux” package in Ubuntu:
Confirmed
Status in “linux” source package in Precise:
Confirmed
Bug description:
Problem:
Connecting a display through the display port does nothing. I can try to
press the key combo fn + f7 or trigger the monitor to refresh and the display
is still blank on the external monitor.
udev does not seem to notice the display port connection either.
Expected result: External display should be mirrored when inserting a
display port or VGA connection.
Video info
[ 0.729694] pci 0000:00:02.0: Boot video device
[ 13.071619] Linux video capture interface: v2.00
[ 13.099290] uvcvideo: Found UVC 1.00 device Integrated Camera (5986:02d2)
[ 13.101511] usbcore: registered new interface driver uvcvideo
[ 13.101512] USB Video Class driver (1.1.1)
[ 13.182383] input: Video Bus as
/devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input7
[ 13.183068] ACPI: Video Device [VID] (multi-head: yes rom: no post: no)
ubuntu@201205-11132:~$ dmesg | grep -i graphics
[ 12.371300] [drm] MTRR allocation failed. Graphics performance may suffer.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-29-generic 3.2.0-29.46
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC269VC Analog [ALC269VC Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1539 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xf2530000 irq 46'
Mixer name : 'Intel PantherPoint HDMI'
Components : 'HDA:10ec0269,17aa21f6,00100203
HDA:80862806,80860101,00100000'
Controls : 36
Simple ctrls : 13
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Fri Nov 16 18:44:51 2012
HibernationDevice: RESUME=UUID=33af243d-8694-4458-a1eb-5c94d7303d8e
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
MachineType: LENOVO 235923U
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic
root=UUID=212db818-8dcd-4bbd-94a9-0a9ca8d086a3 ro quiet splash initcall_debug
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-29-generic N/A
linux-backports-modules-3.2.0-29-generic N/A
linux-firmware 1.79
SourcePackage: linux
StagingDrivers: mei
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/29/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: G4ET37WW (1.12 )
dmi.board.asset.tag: Not Available
dmi.board.name: 235923U
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG4ET37WW(1.12):bd05/29/2012:svnLENOVO:pn235923U:pvrThinkPadT530:rvnLENOVO:rn235923U:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 235923U
dmi.product.version: ThinkPad T530
dmi.sys.vendor: LENOVO
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