lspci :
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation Lynx Point-LP USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation Lynx Point-LP HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 1 (rev e4)
00:1c.1 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 2 (rev e4)
00:1c.2 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 4 (rev e4)
00:1c.4 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation Lynx Point-LP USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Lynx Point-LP LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation Lynx Point-LP SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation Lynx Point-LP SMBus Controller (rev 04)
08:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 08)
0a:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2)
ls -l /{s,}bin /usr/{s,}bin | grep "bin ->" :
Pas de retour. :/
sudo modprobe -v nvidia-current
modprobe: FATAL: Module nvidia-current not found.
Alors j'ai réinstallé nvidia-current, qui a remplacé ma version 331 par la 304, puis tenté à nouveau la commande, pour le même résultat. Idem sans le « -current ».
Quant au dmesg :
[ 18.273466] bbswitch: version 0.8
[ 18.273472] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0
[ 18.273478] bbswitch: Found discrete VGA device 0000:0a:00.0: \_SB_.PCI0.RP05.PEGP
[ 18.273486] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 18.273551] bbswitch: detected an Optimus _DSM function
[ 18.273566] pci 0000:0a:00.0: enabling device (0006 -> 0007)
[ 18.273609] bbswitch: Succesfully loaded. Discrete card 0000:0a:00.0 is on
[ 18.275218] bbswitch: disabling discrete graphics
[ 18.275225] ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20131115/nsarguments-95)
[ 18.972249] init: plymouth-upstart-bridge main process ended, respawning
[ 18.981894] init: plymouth-upstart-bridge main process (1403) terminated with status 1
[ 18.981904] init: plymouth-upstart-bridge main process ended, respawning