hybrid-graphics-linux team mailing list archive

[bapi <bhaskerchatterjee@xxxxxxxxx>]

On Sat, Feb 5, 2011 at 7:40 AM, Wei-Ning Huang <aitjcize@xxxxxxxxx> wrote:

>
>
> 2011/2/5 Wei-Ning Huang <aitjcize@xxxxxxxxx>
>
>>
>>
>> 2011/2/5 Michal Biskup <eiver@xxxxxxxxx>
>>
>>  Hi,
>>>
>>> The real question is: Will acceleration from Sandy Bridge CPU start
>>> working after disabling nvidia?
>>>
>>
> Same question here, or is it possible to switch of the Sandy Bridge CPU and
> use nVidia instead?
> I need CUDA on Linux ...
>
> Hey, I am able to run CUDA(non graphics applications) on the same
>> machine(i5, 420m gt, 4gb). If you want that then it is not that much of a
>> problem.
>>
> -Bapi

>
>>
>>
>>> Cheers,
>>>
>>> Michal Biskup
>>> eiver@xxxxxxxxx
>>>
>>
>>
>>>
>>>
>>> On 02/04/2011 04:32 PM, Jesus Monzon Legido wrote:
>>>
>>> Hello everybody, I owns a XPS L501X.
>>> Upfront:  Linux and Graphics Adaptors are unknown to me, so what I write next might be useless. I cannot judge it.
>>>
>>> machine: XPS L501X
>>> sysversion: A04
>>>
>>> from lspci I got:
>>>
>>> lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
>>> 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller])
>>> 02:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:0df1] (rev a1) (prog-if 00 [VGA controller])
>>>
>>> trying with the 'test_off' i got no positive results. However I fetch a copy of acpi_call from https://github.com/peberlein/acpi_call
>>> and running the "m11xr2.sh" script throw some positive results.
>>>
>>> then, a new lspci:
>>>
>>> lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
>>> 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller])
>>> 02:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:0df1] (rev ff) (prog-if ff)
>>>
>>> Note how the nVidia line changed. It is not longer labeled as 'VGA controller' so I suppose it is off.
>>>
>>> On the same way, the 'present rate' of battery consumption (cat /proc/acpi/battery/BAT0/stat) dropped from 2500mW to 2000mW.
>>>
>>> Finally I follow the steps on [#3 Disable the nvidia gaphics card to increase battery life] adapted to my card
>>> http://robbyx.net/blog/?p=190
>>>
>>> so that it is switched off on each system logon. I attach the nvdown that worked for me (the one in the article is for Asus Laptop).
>>>
>>>
>>> Sincerelly I dont know If I really switched off the nVidia card or it is just an illusion. Hope anybody can help me to confirm that
>>>
>>> -J-
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>>
>>
>>
>> --
>> Aitjcize
>> My blog: http://berelent.blogspot.com/
>>
>
>
>
> --
> Aitjcize
> My blog: http://berelent.blogspot.com/
>
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