hybrid-graphics-linux team mailing list archive

[Bernard Barbosa <bethnard@xxxxxxxxx>]

Hello guys,

Just coming to tell that i also have the L501X A04 and this worked for me
too. My battery that used to last 1:50h in Linux now lasts 2:50, that's a
HUGE improvement. Thank you.

Oh yeah, for the newbs in Linux (like myself) you should do a "chmod +x
nvdown" otherwise it won't run the script. It was my first time dealing
directly with scripts, so I didn't know that. =)

I am preparing a guide of "Things to be done before using Ubuntu x64 10.10
in your L501X". Just like the guy did for the Asus U35JC on the link. Do you
think it's a good idea? Where should i publish it?

See you

Bernard Barbosa da Silva
Bolsista do PET Engenharia Mecânica
7º período | Universidade Federal Fluminense
Lattes: http://lattes.cnpq.br/2191625341455217


On Fri, Feb 4, 2011 at 4:32 PM, Jesus Monzon Legido <gsusmonzon@xxxxxxxx>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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