Comment 829 for bug 752542

# uname -a
Linux 4.13.11-1-default #1 SMP PREEMPT Sat Nov 4 08:00:26 UTC 2017 (0526da3) x86_64 x86_64 x86_64 GNU/Linux

# lspci -v | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT 650M Mac Edition] (rev a1) (prog-if 00 [VGA controller])

# rpm -qa | grep nouveau
libdrm_nouveau2-32bit-2.4.87-1.1.x86_64
libXvMC_nouveau-17.2.4-178.1.x86_64
libvdpau_nouveau-17.2.4-178.1.x86_64
Mesa-dri-nouveau-17.2.4-178.1.x86_64
libdrm_nouveau2-2.4.87-1.1.x86_64
xf86-video-nouveau-1.0.15-1.2.x86_64

# rpm -qa | grep intel
libdrm_intel1-32bit-2.4.87-1.1.x86_64
intel-gpu-tools-1.19-2.4.x86_64
ucode-intel-20170707-3.2.x86_64
intel-vaapi-driver-1.8.3-2.1.x86_64
libdrm_intel1-2.4.87-1.1.x86_64
libvulkan_intel-17.2.4-178.1.x86_64
xf86-video-intel-2.99.917+git781.c8990575-1.1.x86_64

# modprobe bbswitch
modprobe: ERROR: could not insert 'bbswitch': No such device

# dmesg -c
[ 2108.606389] bbswitch: version 0.8
[ 2108.606405] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.IGPU
[ 2108.606414] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.P0P2.GFX0
[ 2108.606440] ACPI Warning: \_SB.PCI0.P0P2.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20170531/nsarguments-95)
[ 2108.606514] ACPI Warning: \_SB.PCI0.P0P2.GFX0._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20170531/nsarguments-95)
[ 2108.606554] ACPI Warning: \_SB.PCI0.IGPU._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20170531/nsarguments-95)
[ 2108.606585] bbswitch: No suitable _DSM call found.