Hi ! I've been struggling with NVIDIA, ACPI and bumblebee for a few days now... I have an Asus N56VM, Intel i7 with an Optimus Nvidia card GT-630M and using Gentoo kernel 3.12.13 My /var/log/messages has been filling up with messages like: --- y 2 22:14:23 nightcrawler kernel: [ 576.558850] vgaarb: device changed decodes: PCI:0000:01:00.0,olddecodes=none,decodes=none:owns=none May 2 22:14:23 nightcrawler kernel: [ 576.558882] NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0de9) May 2 22:14:23 nightcrawler kernel: [ 576.558882] NVRM: installed in this system is not supported by the 334.21 May 2 22:14:23 nightcrawler kernel: [ 576.558882] NVRM: NVIDIA Linux driver release. Please see 'Appendix May 2 22:14:23 nightcrawler kernel: [ 576.558882] NVRM: A - Supported NVIDIA GPU Products' in this release's May 2 22:14:23 nightcrawler kernel: [ 576.558882] NVRM: README, available on the Linux driver download page May 2 22:14:23 nightcrawler kernel: [ 576.558882] NVRM: at www.nvidia.com. May 2 22:14:23 nightcrawler kernel: [ 576.558892] nvidia: probe of 0000:01:00.0 failed with error -1 May 2 22:14:23 nightcrawler kernel: [ 576.559091] NVRM: The NVIDIA probe routine failed for 1 device(s). May 2 22:14:23 nightcrawler kernel: [ 576.559093] NVRM: None of the NVIDIA graphics adapters were initialized! May 2 22:14:23 nightcrawler kernel: [ 576.559095] [drm] Module unloaded May 2 22:14:23 nightcrawler kernel: [ 576.559167] NVRM: NVIDIA init module failed! ---- and ---- May 2 22:14:55 nightcrawler kernel: [ 608.766526] nvidia 0000:01:00.0: irq 46 for MSI/MSI-X May 2 22:14:55 nightcrawler kernel: [ 608.775367] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775420] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775481] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775509] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775535] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775561] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775621] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.775648] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.776050] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.901313] nvidia 0000:01:00.0: irq 46 for MSI/MSI-X May 2 22:14:55 nightcrawler kernel: [ 608.910149] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910201] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910264] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910292] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910318] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910344] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910404] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910431] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) May 2 22:14:55 nightcrawler kernel: [ 608.910826] ACPI Warning: \_SB_.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20130725/nsarguments-95) ---- If I stop bumblebee the nvidia messages stop, but the ACPI messages keep showing up... I've tried to update nvidia-drivers and bumblebee - even VirtualGL, but nothing helps...
*** This bug has been marked as a duplicate of bug 508196 ***