On Sat, Nov 20, 2010 at 2:19 PM, Michal Kottman <[email protected]> wrote:
> On Sat, 2010-11-20 at 02:37 -0500, Raghuram.O.S. wrote: > > On Sat, Nov 20, 2010 at 1:34 AM, David Marsh <[email protected]> > > wrote: > > As I understand it there are two options :- > > > > 1. Install closed source binary driver from NVidia and have > > GPU on 100% of the time. > > > > 2. Install noveau open source driver and have possibility > > of :- > > 2.1 Intel GMA + NVidia GPU for CUDA/OpenCL. > > > > I would like to do 2.1. Could somebody please point me to a howto or > > something?Thanks! > > You're not the only one wanting this option, however, AFAIK there is no > way yet to do this - Nouveau has no support for CUDA/OpenCL. > I mainly want CUDA and option 1 did not work. (i get a black screen). > > I was thinking about the following: create a different kernel (or just > copy the current one, but under different name) to create a new 'uname > -r' entry in /lib/modules, for example "2.6.35-23-generic" and > "2.6.35-23-nvidia", and then install the NVidia drivers into > "2.6.35-23-nvidia" and turn off the NVidia GPU completely in > "2.6.35-23-generic". > > I know how to turn off the NVidia GPU on my Asus K52J laptop right at > boot time - all you have to do is modify the GRUB kernel boot command > line and add the following at the end: "acpi_osi=Linux". I am not sure > if it works for other laptops, but I found this out in my DSDT. > > The result would be that at boot time, you could select between the > "standard" long-battery option, and when needed, reboot into full CUDA > support. > > Did anyone try this, or does anyone know if this will work? Especially > if it is possible to install the NVidia drivers only to single > configuration... > > Any comments appreciated, > > Michal > > > _______________________________________________ > Mailing list: https://launchpad.net/~hybrid-graphics-linux > Post to : [email protected] > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > More help : https://help.launchpad.net/ListHelp > -- Regards, Onti
_______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : [email protected] Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp

