Comment 561 for bug 752542

cat /proc/acpi/dump_info
0000:00:00.0 060000
0000:00:01.0 060400 \_SB_.PCI0.PEG0
0000:00:01.1 060400 \_SB_.PCI0.PEG1
0000:00:14.0 0c0330 \_SB_.PCI0.XHC_
0000:00:16.0 078000
0000:00:1a.0 0c0320 \_SB_.PCI0.EHC2
0000:00:1b.0 040300 \_SB_.PCI0.HDEF
0000:00:1c.0 060400 \_SB_.PCI0.RP01
0000:00:1c.2 060400 \_SB_.PCI0.RP03
0000:00:1c.3 060400 \_SB_.PCI0.RP04
0000:00:1c.4 060400 \_SB_.PCI0.RP05
0000:00:1d.0 0c0320 \_SB_.PCI0.EHC1
0000:00:1f.0 060100 \_SB_.PCI0.LPCB
0000:00:1f.2 010400 \_SB_.PCI0.SAT0
0000:00:1f.3 0c0500 \_SB_.PCI0.SBUS
0000:01:00.0 030000 \_SB_.PCI0.PEG0.DGPU
0000:01:00.1 040300
0000:07:00.0 030000 \_SB_.PCI0.PEG1.DGPU
0000:08:00.0 020000 \_SB_.PCI0.RP01.ALAN
0000:09:00.0 028000 \_SB_.PCI0.RP03.PXSX
0000:0a:00.0 ff0000 \_SB_.PCI0.RP04.PXSX
0000:0a:00.1 080500

dmesg | grep -C 10 bbswitch
bbswitch: version 0.5
bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.DGPU
bbswitch: Found discrete VGA device 0000:07:00.0: \_SB_.PCI0.PEG1.DGPU
bbswitch: failed to evaluate _DSM {0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4} 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_BAD_PARAMETER
bbswitch: No suitable _DSM call found.

Handle 0x002B, DMI type 10, 6 bytes
On Board Device Information
        Type: Video
        Status: Enabled
        Description: Intel Video Graphics Controller

./lspci.txt:01:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:11a0] (rev a1) (prog-if 00 [VGA controller])
./lspci.txt:01:00.1 Audio device [0403]: NVIDIA Corporation GK104 HDMI Audio Controller [10de:0e0a] (rev a1)
./lspci.txt:07:00.0 VGA compatible controller [0300]: NVIDIA Corporation Device [10de:11a0] (rev a1) (prog-if 00 [VGA controller])