@Taihsiang Could you please get an nvidia-bug-report.log file with nvidia-bug-report.sh? Preferably with verbose mode validation logging enabled (run `nvidia-xconfig --mode-debug` before starting X).
-- 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: Confirmed Status in linux package in Ubuntu: Confirmed 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
