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[Petr Nosek <petr.nosek@xxxxxxxxx>]

I'm newbie in Ubuntu desktop - I used Gentoo before.

But when I installed nvidia drivers, this file has been created:

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


So I thing, that the same problem was in prior versions and /etc/modprobe.d/options solves problem. But I can't confirm if it really works in older version of Ubuntu. 

In Gentoo this options works. If you delete options in Gentoo, symptoms
of my problem are the same. Screen is flickering and freezing. With
options in Gentoo no freezing, no flickering.

-- 
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/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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