hi all, I was wondering will bumblebee project help with dynamic switch under Linux?
Hou Qingping On Wed, Jun 22, 2011 at 3:06 PM, Adam Hill <[email protected]> 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! > > 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. ) > > 2) If you regularly run Windows, and are happy to only use the Intel card in > Linux, then use the latest Linux kernel with Norbert's latest experimental > sony-laptop-zseries module ( static switching doesn't work well with Windows. > ) As long as you make sure you're in stamina mode at boot, the module powers > off the NVidia card to save battery life ( though it still appears on the bus. > ) If doing this, DON'T use the acpi_osi="" boot parameter. > > 3) If you regularly use Windows but also want to use NVidia in Linux, you > don't have much choice but to use method 1), but you'll probably have to boot > Windows twice whenever you've used Linux to make sure that dynamic mode is > enabled again. > > Sorry that I can't give specific help for Gentoo.... > > Adam. > > > On Tuesday 21 June 2011 13:10:48 Piotr Zalewa wrote: >> Hi >> >> Do you know about any tutorial how to install Adam's patch on non Ubuntu >> system? >> I use Gentoo for years, but I've got no experience in kernel and >> especially module patches >> >> Thanks >> zalun >> >> _______________________________________________ >> Mailing list: https://launchpad.net/~sony-vaio-z-series >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~sony-vaio-z-series >> More help : https://help.launchpad.net/ListHelp > > _______________________________________________ > Mailing list: https://launchpad.net/~sony-vaio-z-series > Post to : [email protected] > Unsubscribe : https://launchpad.net/~sony-vaio-z-series > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~sony-vaio-z-series Post to : [email protected] Unsubscribe : https://launchpad.net/~sony-vaio-z-series More help : https://help.launchpad.net/ListHelp
