Under kubuntu 10.10 I tried the following:
$ sudo service bumblebee stop
* Starting Bumblebee X server bumblebee
_PS0 Enabling nVidia Card Succeded.
FATAL: Error inserting nvidia_current
(/lib/modules/2.6.35-30-generic/updates/dkms/nvidia-current.ko): No such device
[ OK ]
$ sudo rmmod nvidia-current
ERROR: Module nvidia_current does not exist in /proc/modules
$ sudo modprobe -v nouveau
insmod /lib/modules/2.6.35-30-generic/kernel/drivers/gpu/drm/nouveau/nouveau.ko
$ dmesg | grep -i vga
[26295.530661] VGA switcheroo: detected DSM switching method
\_SB_.PCI0.P0P1.PEGP handle
the "vgaswitcheroo: enabled" doesn't show up and neither the file
/sys/.../vgaswitcheroo*.
> -----Original Message-----
> From: samsa...@gmail.com
> Sent: Sat, 16 Jul 2011 15:39:52 -0300
> To: leo...@inbox.com
> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID: 10de:0a75
>
> Once you mount the debugfs, the /sys/vgaswitcheroo/switch file will
> appear when you load the nouveau driver (the vga-switcheroo module will
> enable then, detect the DSM method and will handle acpi events from the
> nvidia card).
> Try this:
> https://wiki.archlinux.org/index.php/Bumblebee#Power_Switching_Using_Vga-switcheroo
>
> --
> Joaquín Ignacio Aramendía <samsa...@gmail.com>
>
> El sáb, 16-07-2011 a las 07:34 -0800, Leonardo Morelli escribió:
>> Tried mounting but mtab says it is already mounted, in fact, I can see
>> many directories under /sys/kernel/debug except for vgaswitcheroo...
>>
>>
>>> -----Original Message-----
>>> From: samsa...@gmail.com
>>> Sent: Sat, 16 Jul 2011 00:56:16 -0300
>>> To: hybrid-graphics-linux@lists.launchpad.net
>>> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID:
>>> 10de:0a75
>>>
>>> You must mount the debugfs filesystem:
>>> # mount -t debugfs none /sys/kernel/debug/
>>>
>>> To mount no every boot, add this line to the file "/etc/fstab":
>>> none /sys/kernel/debug debugfs defaults 0 0
>>>
>>> --
>>> Joaquín Ignacio Aramendía <samsa...@gmail.com>
>>>
>>> El vie, 15-07-2011 a las 19:24 -0800, Leonardo Morelli escribió:
>>>> After reading https://help.ubuntu.com/community/HybridGraphics,
>>>> the vga_switcheroo thing is enabled:
>>>>
>>>> $ grep -i switcheroo /boot/config-2.6.35...
>>>> CONFIG_VGA_SWITCHEROO=y
>>>>
>>>> but the file /sys/kernel/debug/vgaswitcheroo/switch doesn't exist, nor
>>>> even the dir vgaswitcheroo...
>>>> (I'm running Kubuntu 10.10)
>>>>
>>>> Do I need to do something else to make it appear?
>>>>
>>>>
>>>>> -----Original Message-----
>>>>> From: samsa...@gmail.com
>>>>> Sent: Fri, 15 Jul 2011 23:40:51 -0300
>>>>> To: leo...@inbox.com
>>>>> Subject: Re: [Hybrid-graphics-linux] Bumblebee test on PCI ID:
>>>>> 10de:0a75
>>>>>
>>>>> This "error" is spreading. Is related to the methods called to turn
>>>>> on/off the card and the kernel being able to recognize the card again
>>>>> once turned on. This means that either the card was not properly shut
>>>>> down/turned on, or the kernel does not recognize it properly. Try the
>>>>> vga-switcheroo switch, it is known to work on some machines with that
>>>>> problem.
>>>>> --
>>>>> Joaquín Ignacio Aramendía <samsa...@gmail.com>
>>>>>
>>>>> El vie, 15-07-2011 a las 11:48 -0800, Leonardo Morelli escribió:
>>>>>> Well, after installing Bumblebee and running optirun glxgears, I got
>>>>>> the
>>>>>> "FATAL: Error inserting nvidia_current" :s
>>>>>> The acpi calls (on and off) are working.
>>>>>>
>>>>>> The thing is that after checking the /var/log/messages it says:
>>>>>>
>>>>>> NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:0a75) installed in
>>>>>> this
>>>>>> system is not supported by the 275.09.07 NVIDIA Linux graphics
>>>>>> driver
>>>>>> release.
>>>>>>
>>>>>> but...
>>>>>>
>>>>>> when I see the /usr/share/doc/nvidia-current/README.txt.gz, this
>>>>>> line
>>>>>> appears at the APPENDIX A:
>>>>>> GeForce 310M 0x0A75 C
>>>>>>
>>>>>> so, apparently, ID 0x0a75 is supported...
>>>>>>
>>>>>> Should I file a bug report?
>>>>>>
>>>>>>
>>>>>> Leo
>>>>>>
>>
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