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[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

Is this a new issue in Saucy?   Do you happen to know if this issue
happened with prior Ubuntu releases?

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

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https://bugs.launchpad.net/bugs/1251042

Title:
  Ubuntu gnome freeze after start - nvidia drivers

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Nouveau is unstable - sometimes is freezing, i tried to use current
  proprietary drivers.

  But after login - monitor is flickering and freezing.

  Ubuntu GNOME 13.10 (Saucy Salamander) Release  - clean install.

  
  I used Gentoo before, and this line helped for me, to solve my problem:
  options nvidia NVreg_DeviceFileMode=432 NVreg_DeviceFileUID=0 NVreg_DeviceFileGID=27 NVreg_ModifyDeviceFiles=1 NVreg_RegistryDwords="PerfLevelSrc=0x2222"

  But in Ubuntu, it doesn't help.

  This doesn't help:

  me@ubuntu-vbi:~$ cat /etc/modprobe.d/options 
  #Fix for nvidia flickering - (K)ubuntu 9.04 and 9.10
  options nvidia NVreg_RegistryDwords='PerfLevelSrc=0x2222'
  options nvidia NVreg_Mobile=1

  
  This doesn't help:

  me@ubuntu-vbi:~$ cat /etc/modprobe.d/options 
  options nvidia NVreg_DeviceFileMode=432 NVreg_DeviceFileUID=0 NVreg_DeviceFileGID=27 NVreg_ModifyDeviceFiles=1 NVreg_RegistryDwords="PerfLevelSrc=0x2222"


  It's blocking - nouveau is unstable, nvidia drivers is totaly
  unstable. 3 min to freeze.

  Nouveau bug is reported there: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1242767
  but still unasigned

  How to reproduce: Use Ubuntu and Nvidia proprietary drivers. The 3 min
  to freeze.

  There is a video: http://www.youtube.com/watch?v=6NX7lQ5oDYo
  As you can see, 3 min and PC is not responding. I can only move by mouse - that's all.

  
  me@ubuntu-vbi:~$ cat /proc/version_signature 
  Ubuntu 3.11.0-13.20-generic 3.11.6
  --- 
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nosek      2827 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=fb299f47-ddfa-4008-8941-f248e28549b0
  InstallationDate: Installed on 2013-10-24 (20 days ago)
  InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017)
  MachineType: To Be Filled By O.E.M. Z97V
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-13-generic root=/dev/mapper/vg--ubnt-ubuntu ro quiet splash
  ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-13-generic N/A
   linux-backports-modules-3.11.0-13-generic  N/A
   linux-firmware                             1.116
  Tags:  saucy
  Uname: Linux 3.11.0-13-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 09/03/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0702
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: Z97V
  dmi.board.vendor: To Be Filled By O.E.M.
  dmi.board.version: 1.00
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0702:bd09/03/2008:svnToBeFilledByO.E.M.:pnZ97V:pvr1.0:rvnToBeFilledByO.E.M.:rnZ97V:rvr1.00:cvnToBeFilledByO.E.M.:ct10:cvr1.0:
  dmi.product.name: Z97V
  dmi.product.version: 1.0
  dmi.sys.vendor: To Be Filled By O.E.M.

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