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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Tags added: kernel-bug-exists-upstream

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https://bugs.launchpad.net/bugs/1267437

Title:
  X cannot detect laptop monitor with Linux 3.13.0-1-generic and Nvidia
  331

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Using trusty amd64 with nvidia-331-updates_331.20-0ubuntu8.

  linux-image-3.12.0-7-generic:
  [    33.986] (--) NVIDIA(0): Valid display device(s) on GeForce 310M at PCI:1:0:0
  [    33.987] (--) NVIDIA(0):     CRT-0
  [    33.987] (--) NVIDIA(0):     Sony Nvidia Defaul (DFP-0) (boot, connected)
  [    33.987] (--) NVIDIA(0):     DFP-1
  [    33.987] (--) NVIDIA(0):     DFP-2

  linux-image-3.13.0-1-generic:
  [    25.755] (--) NVIDIA(0): Valid display device(s) on GeForce 310M at PCI:1:0:0
  [    25.755] (--) NVIDIA(0):     CRT-0
  [    25.755] (--) NVIDIA(0):     DFP-0 (boot)
  [    25.755] (--) NVIDIA(0):     DFP-1
  [    25.755] (--) NVIDIA(0):     DFP-2
  [    25.755] (--) NVIDIA(0): CRT-0: 400.0 MHz maximum pixel clock
  [    25.755] (--) NVIDIA(0): DFP-0: Internal Single Link TMDS
  [    25.755] (--) NVIDIA(0): DFP-0: 330.0 MHz maximum pixel clock
  [    25.755] (--) NVIDIA(0): DFP-1: Internal Single Link TMDS
  [    25.755] (--) NVIDIA(0): DFP-1: 165.0 MHz maximum pixel clock
  [    25.755] (--) NVIDIA(0): DFP-2: Internal Single Link TMDS
  [    25.755] (--) NVIDIA(0): DFP-2: 165.0 MHz maximum pixel clock
  [    25.755] (EE) NVIDIA(0): Failed to assign any connected display devices to X screen 0.

  The problem persists in the mainline 3.13-rc7.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-1-generic 3.13.0-1.16
  ProcVersionSignature: Ubuntu 3.13.0-1.16-generic 3.13.0-rc7
  Uname: Linux 3.13.0-1-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.7-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  shiba      2314 F.... pulseaudio
   /dev/snd/controlC0:  shiba      2314 F.... pulseaudio
  Date: Thu Jan  9 12:13:21 2014
  HibernationDevice: RESUME=UUID=139076d6-04be-4ca0-b2fa-e57b8bb17739
  InstallationDate: Installed on 2014-01-03 (5 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140103)
  MachineType: Sony Corporation VPCS11E7E
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-1-generic root=UUID=c00738bd-0907-4a6b-b361-7777b8878455 ro quiet splash video=uvesafb:mode_option=1360x768-24,mtrr=3,scroll=ywrap
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-1-generic N/A
   linux-backports-modules-3.13.0-1-generic  N/A
   linux-firmware                            1.119
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/30/2010
  dmi.bios.vendor: INSYDE
  dmi.bios.version: R0310Q3
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnINSYDE:bvrR0310Q3:bd09/30/2010:svnSonyCorporation:pnVPCS11E7E:pvrC103ZTX7:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VPCS11E7E
  dmi.product.version: C103ZTX7
  dmi.sys.vendor: Sony Corporation

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