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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