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[Vasiliy <count0@xxxxxxxxx>]

Also have 820m Optimus technology, and can't get prime worked, just
bumblebee, sometimes (1 of 10 ;)

** Changed in: nvidia-settings (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1406991

Title:
  Prime not supported with Nvidia GeForce 820M

Status in nvidia-settings package in Ubuntu:
  Confirmed

Bug description:
  uname -a
  Linux CX61-2PC-1298 3.13.0-43-generic #72-Ubuntu SMP Mon Dec 8 19:35:06 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  sudo lshw -C display
    *-display NON-RÉCLAMÉ   
         description: 3D controller
         produit: GF117M [GeForce 610M/710M/820M / GT 620M/625M/630M/720M]
         fabriquant: NVIDIA Corporation
         identifiant matériel: 0
         information bus: pci@0000:01:00.0
         version: a1
         bits: 64 bits
         horloge: 33MHz
         fonctionnalités: pm msi pciexpress bus_master cap_list
         configuration: latency=0
         ressources: mémoire:f6000000-f6ffffff mémoire:e0000000-efffffff mémoire:f0000000-f1ffffff portE/S:e000(taille=128) mémoire:f7000000-f707ffff
    *-display
         description: VGA compatible controller
         produit: 4th Gen Core Processor Integrated Graphics Controller
         fabriquant: Intel Corporation
         identifiant matériel: 2
         information bus: pci@0000:00:02.0
         version: 06
         bits: 64 bits
         horloge: 33MHz
         fonctionnalités: msi pm vga_controller bus_master cap_list rom
         configuration: driver=i915 latency=0
         ressources: irq:48 mémoire:f7400000-f77fffff mémoire:d0000000-dfffffff portE/S:f000(taille=64)

  nvidia-settings -v
  version 346.22  (buildd@lgw01-10)  Tue Dec  9 08:42:45 UTC 2014

  nvidia-settings &
  ** Message: PRIME: No offloading required. Abort
  ** Message: PRIME: is it supported? no

  The GUI is minimalist. There is no entry for Prime. Impossible to
  switch from Intel Haswell Mobile to Nvidia graphic card.

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