https://bugzilla.kernel.org/show_bug.cgi?id=109061
Bug ID: 109061
Summary: Issue with Asus UX32LN ultrabook with Optimus - Card
will not turn off + ACPI warnings
Product: ACPI
Version: 2.5
Kernel Version: 4.3.0-ck (tested without -ck patchset)
Hardware: Intel
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Power-Video
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Hi,
Im not really sure if this is the correct place to file the bug, but I figured
because of all the ACPI warnings dmesg shows upon the issue, it might be a
kernel problem.
Anyway,
Arch x64
Linux 4.3.x-ck
bbswitch-ck 0.8-13
Asus UX32LN - NVIDIA 840m 2GB, Intel Haswell CPU/GPU with Optimus
Using bumblebee.
lib32-nvidia-utils 358.16-1
nvidia-ck-haswell 358.16-1 (ck-haswell)
nvidia-utils 358.16-1
Started nvidia-settings, corrected some settings, and closed the window.
Normally, the nvidia driver is unloaded and the card turned off when I do this,
but now:
```
bbswitch: enabling discrete graphics
nvidia: module license 'NVIDIA' taints kernel.
Disabling lock debugging due to kernel taint
nvidia-nvlink: Nvlink Core is being initialized, major device number 246
[drm] Initialized nvidia-drm 0.0.0 20150116 for 0000:03:00.0 on minor 1
NVRM: loading NVIDIA UNIX x86_64 Kernel Module 358.16 Mon Nov 16 19:25:55 PST
2015
vgaarb: this pci device is not a vga device
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
vgaarb: this pci device is not a vga device
nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms
358.16 Mon Nov 16 18:58:09 PST 2015
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
```
`lsmod | grep nv` gives:
```
nvidia_modeset 708608 0
nvidia 8704000 1 nvidia_modeset
nvram 16384 0
drm 286720 7 i915,drm_kms_helper,nvidia
```
`tee /proc/acpi/bbswitch <<<OFF` makes no difference and `cat
/proc/acpi/bbswitch` states "ON".
When doing this, dmesg outputs the following:
```
ACPI Warning: \_SB_.PCI0.RP05.PEGP._DSM: Argument #4 type mismatch - Found
[Buffer], ACPI requires [Package] (20150818/nsarguments-95)
bbswitch: device 0000:03:00.0 is in use by driver 'nvidia', refusing OFF
```
Link to issue at github:
https://github.com/Bumblebee-Project/bbswitch/issues/117
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