sony-vaio-z-series team mailing list archive

[Piotr Zalewa <piotr@xxxxxxxxxxx>]

Thanks Adam

On 06/22/11 08:06, Adam Hill wrote:
> 	To be honest I'm not sure that there is any need to use my kernel any
> more - it was useful when the Intel graphics just didn't work from the stock
> kernels but recent versions work pretty well out of the box. So, my advice
> would be just to find the latest kernel you can for Gentoo - someone will have
> compiled the latest mainline one somewhere!

OK - I thought it does something else as well - my stamina mode is 
working fine - it's NVidia I wanted to switch on on choice.
I'm using 2.6.38-gentoo

> 	There are still a few tweaks that you need to do... either:
>
> 1) If you never ( or hardly ever ) run Windows, add acpi_osi="" to the kernel
> boot parameters. This will set the BIOS in to static switching mode whenever
> you shutdown/reboot when running Linux. I.e. the first time you run Linux, you
> will need to reboot, but from then on the appropriate speed/stamina LED should
> come on as soon as the machine powers up and only one card will be visible. If
> you want to switch between the two cards you'll need to switch the
> speed/stamina switch and reboot, and then use some sort of trickery to make
> sure that the correct X drivers and libraries are loaded. I've posted a script
> which may work for this purpose but would have to be modified for Gentoo (
> Ubuntu users can use the neater "alternatives" method. )

This would be my case - I don't even have Windows installed at the 
moment. Trying it now.

zalun