hi all, my lenovo u430 with optimus on nvidia gt 730m seems to be not
supported by bbswitch. I attach all info here, if something is missing,
just let me know )) thanks! See also  LENOVO-20270.tar.gz attached.

make
make -C /lib/modules/3.11.0-18-generic/build M="$(pwd)" modules
make[1]: Entering directory `/usr/src/linux-headers-3.11.0-18-generic'
  Building modules, stage 2.
  MODPOST 1 modules
make[1]: Leaving directory `/usr/src/linux-headers-3.11.0-18-generic'

sudo make load
rmmod bbswitch
ERROR: Module bbswitch does not exist in /proc/modules
make: [load] Error 1 (ignored)
insmod bbswitch.ko
insmod: error inserting 'bbswitch.ko': -1 No such device
make: *** [load] Error 1

dmesg | grep -C 10 bbswitch:
[   18.310471] usb 2-4: new low-speed USB device number 5 using xhci_hcd
[   18.330398] usb 2-4: New USB device found, idVendor=046d, idProduct=c06c
[   18.330418] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[   18.330420] usb 2-4: Product: USB Optical Mouse
[   18.330422] usb 2-4: Manufacturer: Logitech
[   18.330577] usb 2-4: ep 0x81 - rounding interval to 64 microframes, ep desc 
says 80 microframes
[   18.339969] input: Logitech USB Optical Mouse as 
/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/input/input15
[   18.340105] hid-generic 0003:046D:C06C.0002: input,hidraw1: USB HID v1.11 
Mouse [Logitech USB Optical Mouse] on usb-0000:00:14.0-4/input0
[   28.214688] audit_printk_skb: 156 callbacks suppressed
[   28.214692] type=1400 audit(1395907319.712:63): apparmor="DENIED" 
operation="open" parent=1 profile="/usr/lib/telepathy/mission-control-5" 
name="/usr/share/gvfs/remote-volume-monitors/" pid=2308 comm="mission-control" 
requested_mask="r" denied_mask="r" fsuid=1000 ouid=0
[  229.114616] bbswitch: module verification failed: signature and/or required 
key missing - tainting kernel
[  229.114878] bbswitch: version 0.8
[  229.114884] bbswitch: Found integrated VGA device 0000:00:02.0: 
\_SB_.PCI0.GFX0
[  229.114891] bbswitch: Found discrete VGA device 0000:09:00.0: 
\_SB_.PCI0.RP05.PXSX
[  229.114904] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
 0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  229.114911] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  229.114919] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - 
Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[  229.114959] bbswitch: No suitable _DSM call found.
[  250.003548] bbswitch: version 0.8
[  250.003555] bbswitch: Found integrated VGA device 0000:00:02.0: 
\_SB_.PCI0.GFX0
[  250.003562] bbswitch: Found discrete VGA device 0000:09:00.0: 
\_SB_.PCI0.RP05.PXSX
[  250.003579] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
 0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  250.003585] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  250.003592] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - 
Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[  250.003631] bbswitch: No suitable _DSM call found.
[  266.094356] [drm] Module unloaded
[  268.889944] bbswitch: version 0.8
[  268.889961] bbswitch: Found integrated VGA device 0000:00:02.0: 
\_SB_.PCI0.GFX0
[  268.889978] bbswitch: Found discrete VGA device 0000:09:00.0: 
\_SB_.PCI0.RP05.PXSX
[  268.890016] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
 0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  268.890041] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  268.890058] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - 
Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[  268.890169] bbswitch: No suitable _DSM call found.
[  280.294852] bbswitch: version 0.8
[  280.294867] bbswitch: Found integrated VGA device 0000:00:02.0: 
\_SB_.PCI0.GFX0
[  280.294880] bbswitch: Found discrete VGA device 0000:09:00.0: 
\_SB_.PCI0.RP05.PXSX
[  280.294905] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
 0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  280.294919] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  280.294933] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - 
Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[  280.295012] bbswitch: No suitable _DSM call found.
[  300.774539] mce: [Hardware Error]: Machine check events logged
[  643.931595] bbswitch: version 0.8
[  643.931603] bbswitch: Found integrated VGA device 0000:00:02.0: 
\_SB_.PCI0.GFX0
[  643.931610] bbswitch: Found discrete VGA device 0000:09:00.0: 
\_SB_.PCI0.RP05.PXSX
[  643.931624] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
 0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  643.931632] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  643.931640] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - 
Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[  643.931685] bbswitch: No suitable _DSM call found.
[  854.844336] type=1400 audit(1395908146.559:64): apparmor="DENIED" 
operation="capable" parent=1 profile="/usr/sbin/cupsd" pid=764 comm="cupsd" 
pid=764 comm="cupsd" capability=36  capname="block_suspend"
[  906.403194] bbswitch: version 0.8
[  906.403208] bbswitch: Found integrated VGA device 0000:00:02.0: 
\_SB_.PCI0.GFX0
[  906.403220] bbswitch: Found discrete VGA device 0000:09:00.0: 
\_SB_.PCI0.RP05.PXSX
[  906.403244] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
 0x100 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  906.403259] bbswitch: failed to evaluate \_SB_.PCI0.RP05.PXSX._DSM 
{0xA0,0xA0,0x95,0x9D,0x60,0x00,0x48,0x4D,0xB3,0x4D,0x7E,0x5F,0xEA,0x12,0x9F,0xD4}
 0x102 0x0 {0x00,0x00,0x00,0x00}: AE_NOT_FOUND
[  906.403273] ACPI Warning: \_SB_.PCI0.GFX0._DSM: Argument #4 type mismatch - 
Found [Buffer], ACPI requires [Package] (20130517/nsarguments-95)
[  906.403353] bbswitch: No suitable _DSM call found.

uname -a
Linux test1 3.11.0-18-generic #32~precise1-Ubuntu SMP Thu Feb 20 17:52:10 UTC 
2014 x86_64 x86_64 x86_64 GNU/Linux

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Title:
  ACPI DSDT info

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