Comment 3 for bug 984494

I realize the nvidia driver is loaded. Uninstalling the driver makes it so
I can no longer use optirun. How to I unload the driver, so bbswitch can
turn it off without uninstalling the nvidia driver?

On Fri, May 11, 2012 at 6:44 PM, Lekensteyn <email address hidden>wrote:

> The error is pretty obvious, the nvidia driver is loaded. If you do not
> intend to use the nvidia card, uninstall nvidia-current.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/984494
>
> Title:
> bbswitch fails to turn off optimus card
>
> Status in A Bug reporter module for your hosted Launchpad project.:
> New
>
> Bug description:
> I recently installed bumblebee to my ASUS K42Jc which has the NVIDIA
> Geforce 310M Optimus card. I have tested bumblebee and I am able to use
> optirun fine. My problem is bbswitch fails to turn off the card and I
> still only get projected 80mins of battery life (but really more like 40
> mins). I tried what is suggested on
> https://github.com/Bumblebee-Project/bbswitch but get when I run
> # tee /proc/acpi/bbswitch <<<OFF
> using sudo, I get
> $ dmesg |tail -1
> bbswitch: device 0000:01:00.0 is in use by driver 'nvidia', refusing OFF
> so the driver is still loaded and I have not been able to figure out how
> to unload the driver. I have added bbswitch load_state=0 to /etc/modules
> and rebooted several times but the driver is still loaded.
>
> Thank you for your help. Any more battery life would be amazing!
>
>
> steve-K42Jc: tmp.YzAFoy0HvZ/>dmesg | grep -C 10 bbswitch:
> 1203-[ 14.889029] ACPI Warning: _BQC returned an invalid level
> (20110112/video-473)
> 1204-[ 14.889426] acpi device:4f: registered as cooling_device5
> 1205-[ 14.889785] input: Video Bus as
> /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:02/input/input8
> 1206-[ 14.889871] ACPI: Video Device [GFX0] (multi-head: yes rom: no
> post: no)
> 1207-[ 14.890156] [drm] Initialized i915 1.6.0 20080730 for
> 0000:00:02.0 on minor 0
> 1208-[ 14.924307] uvcvideo: Found UVC 1.00 device USB 2.0 Camera
> (13d3:5130)
> 1209-[ 14.931489] input: USB 2.0 Camera as
> /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input9
> 1210-[ 14.931572] usbcore: registered new interface driver uvcvideo
> 1211-[ 14.931574] USB Video Class driver (v1.0.0)
> 1212-[ 14.967101] lp: driver loaded but no devices found
> 1213:[ 15.271166] bbswitch: Found integrated VGA device 0000:00:02.0:
> \_SB_.PCI0.GFX0
> 1214:[ 15.271179] bbswitch: Found discrete VGA device 0000:01:00.0:
> \_SB_.PCI0.PEG1.GFX0
> 1215:[ 15.271330] bbswitch: detected an Optimus _DSM function
> 1216:[ 15.271338] bbswitch: disabling discrete graphics
> 1217:[ 15.271460] bbswitch: Result of Optimus _DSM call: 01000058
> 1218-[ 15.290715] pci 0000:01:00.0: Refused to change power state,
> currently in D0
> 1219-[ 15.414535] cfg80211: World regulatory domain updated:
> 1220-[ 15.414538] cfg80211: (start_freq - end_freq @ bandwidth),
> (max_antenna_gain, max_eirp)
> 1221-[ 15.414540] cfg80211: (2402000 KHz - 2472000 KHz @ 40000
> KHz), (300 mBi, 2000 mBm)
> 1222-[ 15.414542] cfg80211: (2457000 KHz - 2482000 KHz @ 20000
> KHz), (300 mBi, 2000 mBm)
> 1223-[ 15.414544] cfg80211: (2474000 KHz - 2494000 KHz @ 20000
> KHz), (300 mBi, 2000 mBm)
> 1224-[ 15.414545] cfg80211: (5170000 KHz - 5250000 KHz @ 40000
> KHz), (300 mBi, 2000 mBm)
> 1225-[ 15.414547] cfg80211: (5735000 KHz - 5835000 KHz @ 40000
> KHz), (300 mBi, 2000 mBm)
> 1226-[ 15.600591] pci 0000:01:00.0: power state changed by ACPI to D3
> 1227:[ 15.600599] bbswitch: Succesfully loaded. Discrete card
> 0000:01:00.0 is off
> 1228-[ 15.691549] ath9k 0000:03:00.0: PCI INT A -> GSI 17 (level, low)
> -> IRQ 17
> 1229-[ 15.691560] ath9k 0000:03:00.0: setting latency timer to 64
> 1230-[ 15.742600] ath: EEPROM regdomain: 0x60
> 1231-[ 15.742604] ath: EEPROM indicates we should expect a direct
> regpair map
> 1232-[ 15.742607] ath: Country alpha2 being used: 00
> 1233-[ 15.742608] ath: Regpair used: 0x60
> 1234-[ 15.742612] cfg80211: Updating information on frequency 2412 MHz
> for a 20 MHz width channel with regulatory rule:
> 1235-[ 15.742614] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (N/A
> mBi, 2000 mBm)
> 1236-[ 15.742616] cfg80211: Updating information on frequency 2417 MHz
> for a 20 MHz width channel with regulatory rule:
> 1237-[ 15.742617] cfg80211: 2402000 KHz - 2472000 KHz @ KHz), (N/A
> mBi, 2000 mBm)
> --
> 1549-[10161.805690] cfg80211: Disabling freq 2472 MHz
> 1550-[10161.805693] cfg80211: Disabling freq 2484 MHz
> 1551-[10161.805702] cfg80211: Regulatory domain changed to country: US
> 1552-[10161.805705] cfg80211: (start_freq - end_freq @ bandwidth),
> (max_antenna_gain, max_eirp)
> 1553-[10161.805709] cfg80211: (2402000 KHz - 2472000 KHz @ 40000
> KHz), (300 mBi, 2700 mBm)
> 1554-[10161.805713] cfg80211: (5170000 KHz - 5250000 KHz @ 40000
> KHz), (300 mBi, 1700 mBm)
> 1555-[10161.805717] cfg80211: (5250000 KHz - 5330000 KHz @ 40000
> KHz), (300 mBi, 2000 mBm)
> 1556-[10161.805721] cfg80211: (5490000 KHz - 5600000 KHz @ 40000
> KHz), (300 mBi, 2000 mBm)
> 1557-[10161.805725] cfg80211: (5650000 KHz - 5710000 KHz @ 40000
> KHz), (300 mBi, 2000 mBm)
> 1558-[10161.805729] cfg80211: (5735000 KHz - 5835000 KHz @ 40000
> KHz), (300 mBi, 3000 mBm)
> 1559:[10215.316936] bbswitch: device 0000:01:00.0 is in use by driver
> 'nvidia', refusing OFF
> 1560:[10240.842782] bbswitch: device 0000:01:00.0 is in use by driver
> 'nvidia', refusing OFF
>
> Kernel
> [51] steve-K42Jc: tmp.YzAFoy0HvZ/>uname -a
> Linux steve-K42Jc 2.6.38-020638rc8-generic #201103081151 SMP Tue Mar 8
> 11:57:03 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
>
> Distro: Ubuntu 11.04
>
>
> [53] steve-K42Jc: tmp.YzAFoy0HvZ/>apt-cache policy xorg
> xorg:
> Installed: 1:7.6+4ubuntu3.2
>
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>

--
Steve Howell
<email address hidden>
301.531.5195