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[Bug 1366165] Re: No hybrid GPU and this error appears: Failed to spawn hybrid-gfx main process: unable to execute: No such file or directory

 

I am also affected after upgrading from 12.04.5 to 14.04.1.

My system's facts sheet is as follows:

 - Lenovo T410i
 - Linux ubuntu 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
 - NVIDIA Corporation GT218M [NVS 3100M] (rev a2) (prog-if 00 [VGA controller])

Error log in /var/log/syslog contains at least the following messages:

init: Failed to spawn hybrid-gfx main process: unable to execute: No such file or directory
init: nvidia-prime main process (…) terminated with status 127
init: lightdm main process terminated with status 1
init: plymouth-ready (startup) main process (…) terminated with status 1
init: failsafe-x main process (…) terminated with status 127

The greeter won't show up, lightdm fails to start automatically and
manually (via sudo service lightdm start) respectively.

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https://bugs.launchpad.net/bugs/1366165

Title:
  No hybrid GPU and this error appears: Failed to spawn hybrid-gfx main
  process: unable to execute: No such file or directory

Status in ubuntu-drivers-common package in Ubuntu:
  Confirmed

Bug description:
  I have an nVidia 9800GT GPU and a Core 2 Duo CPU. Still, I get errors
  during startup:

  32.281097] init: Failed to spawn hybrid-gfx main process: unable to
  execute: No such file or director

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-drivers-common 1:0.2.91.6
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  Date: Fri Sep  5 18:31:30 2014
  InstallationDate: Installed on 2012-03-26 (892 days ago)
  InstallationMedia: Mythbuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  SourcePackage: ubuntu-drivers-common
  UpgradeStatus: Upgraded to trusty on 2014-07-20 (47 days ago)

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