Comment 30 for bug 1310023

I have the same problem with my Futjitsu Lifebook AH-531/GFO on Kubuntu 14.04.

lspci | grep 'VGA'
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 525M] (rev a1)

dmesg | grep -E 'bbswitch|nvidia'
[ 3.047772] nvidia: module license 'NVIDIA' taints kernel.
[ 3.126575] nvidia: module verification failed: signature and/or required key missing - tainting kernel
[ 3.132672] nvidia 0000:01:00.0: enabling device (0000 -> 0003)
[ 3.138900] [drm] Initialized nvidia-drm 0.0.0 20130102 for 0000:01:00.0 on minor 1
[ 4.045734] bbswitch: version 0.7
[ 4.045749] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[ 4.045756] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP
[ 4.045815] bbswitch: failed to evaluate \_SB_.PCI0.GFX0._DSM {0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4} 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[ 4.045817] bbswitch: No suitable _DSM call found.
[ 14.057221] init: Failed to spawn nvidia-persistenced main process: unable to execute: No such file or directory