hybrid-graphics-linux team mailing list archive

[Lekensteyn <lekensteyn@xxxxxxxxx>]

You can use your nvidia card using Bumblebee (http://bumblebee-project.org/)
as
mentioned in the answer. You cannot switch the card off if a driver is in
use, that's
a safety measure to avoid the system locking up.

On Thu, Feb 2, 2012 at 4:43 PM, Christine <christine@xxxxxxxxxxxx> wrote:

> **
> On 02/02/2012 03:18 PM, Lekensteyn wrote:
>
> Hi Christine,
>
> Nice anecdote :) Can you confirm that bbswitch functions properly? I.e.
> does
> writing ON/OFF enable/disable the card?
>
> I can switch it ON, but I can't seem to switch it OFF. At one time, I saw
> a message that an nvidia driver is using it.
>
>
> Why would you want to enable the video card on boot? You can't use it
> anyway (unless your BIOS allows for it). See also the question on support
> of
> Optimus technology: http://askubuntu.com/q/36930/6969
>
>
> I hadn't seen that. Seems like I should just forget about the nvidia card?
>
>
>
> Peter
>
>  On Thu, Feb 2, 2012 at 3:03 PM, Christine <christine@xxxxxxxxxxxx> wrote:
>
>>  On 02/02/2012 02:33 PM, Lekensteyn wrote:
>>
>> Hi Christine,
>>
>> Do you have a GTX 555 or GT 555M? bbswitch was designed for laptops and
>> does AFAIK not work with desktop cards. Unless the load_state=1 option is
>> passed to bbswitch, loading the module does not turn the device on.
>>
>>  Oh, yes, I have the GT555M. It's an Asus laptop.
>>
>>
>> Peter
>>
>> PS. interesting use of "dag" :)
>>
>>  I have used "dagdag" in all my emails since 1993. Some six years ago,
>> one of my friends asked me by email "what does dagdag mean... oh, I see,
>> it's just a two character rotation of byebye". It occurred to him because
>> he is a crypto expert, I guess. I've used this sig line ever since. It's
>> the only case that I know of in which a two character rotation provides you
>> a valid translation between Dutch and English :-)
>>
>> dagdag
>> Christine
>>
>>
>>
>>
>> On Thu, Feb 2, 2012 at 2:08 PM, Christine Karman <christine@xxxxxxxxxxxx>wrote:
>>
>>> Hi,
>>> I can switch on my geforce gtx555 with bbswitch. Now I want to have it
>>> switched on at boot, so I can load the proper drivers at boot too. I added
>>> "bbswitch" to /etc/modules in my ubuntu 11.10, I added bbswitch.ko to
>>> /lib/modules/3.0.0-15-generic/kernel/drivers/acpi/, and I did the sudo
>>> initramfs -u command. But the card stays off at reboot, there's no message
>>> in syslog, like I get when I type "make load".
>>>
>>> How do I turn on the card at boot properly? Thanks in advance.
>>>
>>> dagdag
>>> Christine
>>>
>>> --
>>> dagdag is just a two character rotation of byebye.
>>>
>>>
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>>>
>>
>>
>>
>> --
>> dagdag is just a two character rotation of byebye
>>
>>
>
>
> --
> dagdag is just a two character rotation of byebye
>
>
> _______________________________________________
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>
>