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[Petr Nosek <petr.nosek@xxxxxxxxx>]

new knowledge:

the problem of flickering and freezing is when I'm using laptop.

If I have connected additional monitor (dual screen) to my laptop,
nvidia drivers works.

So at home with additional monitor - it looks like good.

When I'm away with my laptop (without additional monitor), LCD display
on my laptop is flickering and after that freezing...

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

Title:
  10de:064c Ubuntu gnome freeze after start - nvidia drivers

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  In Saucy, nouveau is unstable - sometimes is freezing, i tried to use current proprietary drivers. But after login - monitor is flickering and freezing. A video: There is a video: http://www.youtube.com/watch?v=6NX7lQ5oDYo . I used Gentoo before, and this line helped for me, to solve my problem but in Ubuntu, it doesn't help:
  options nvidia NVreg_DeviceFileMode=432 NVreg_DeviceFileUID=0 NVreg_DeviceFileGID=27 NVreg_ModifyDeviceFiles=1 NVreg_RegistryDwords="PerfLevelSrc=0x2222"

  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

  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"

  ---
  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.
  --- 
  ApportVersion: 2.12.7-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nosek      2185 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=ab4bb35d-8475-4d86-b762-5983fdc2b277
  InstallationDate: Installed on 2013-12-30 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131225)
  MachineType: To Be Filled By O.E.M. Z97V
  MarkForUpload: True
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.12.0-7-generic root=UUID=9f125712-21cc-481d-9e19-3a12e9fdbb14 ro quiet splash
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-7-generic N/A
   linux-backports-modules-3.12.0-7-generic  N/A
   linux-firmware                            1.117
  Tags:  trusty
  Uname: Linux 3.12.0-7-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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