@Taihsiang
Can you do a system update and test again? There is a fix in
ubuntu-drivers-common 0.2.91.7 which should have fixed this bug.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Changed in: hwe-next
Status: New => Incomplete
** Changed in: hwe-next
Importance: Undecided => Medium
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1364805
Title:
[Lenovo ThinkPad T440p][10de:1290] hot key "video out" could not work
under graphic performance mode.
Status in HWE Next Project:
Incomplete
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
Lenovo ThinkPad T440p ( CID 201309-14169 ) on Ubuntu 14.04
3.13.0-24-generic
-----------------------------------
Steps to reproduce this bug:
1. install proprietary dirver nvidia-331 to enable the nvidia graphic card
[10de:1290]
2. reboot
3. plugin mini display port of a monitor
4. press the hot key to try to switch to different display mode.
Expected result:
The display mode was changed.
Actual result:
Nothing happened.
-----------------------------------
More information:
1. on power-saving mode, the hot key works
2. there are two kinds of port, VGA and mini-display port. Both of them have
this issue.
3. dash->display could set up the external monitor screen on mini-display and
VGA port both. (mirror, extended, built-in screen only and external screen only)
-----------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46 [modified:
boot/vmlinuz-3.13.0-24-generic]
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1716 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1716 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Sep 3 03:34:38 2014
HibernationDevice: RESUME=UUID=b437ec5c-4a11-4108-a4b7-900f2ea9f312
InstallationDate: Installed on 2014-08-27 (6 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 20ANZ03CUS
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic
root=UUID=cb520008-8859-45fa-b8dd-d66a667b1be2 ro rootdelay=60 quiet splash
initcall_debug
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/20/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: GLET34WW (1.09.T05 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20ANZ03CUS
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrGLET34WW(1.09.T05):bd08/20/2013:svnLENOVO:pn20ANZ03CUS:pvrThinkPadT440p:rvnLENOVO:rn20ANZ03CUS:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20ANZ03CUS
dmi.product.version: ThinkPad T440p
dmi.sys.vendor: LENOVO
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1364805/+subscriptions
--
Mailing list: https://launchpad.net/~kernel-packages
Post to : kernel-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~kernel-packages
More help : https://help.launchpad.net/ListHelp
