On 27.04.2015 19:58, Joerg Lechner wrote: > Hi, > would like to try, but "vgaswitcheroo" seems to be ubuntu, can not find this in F22 directory in /.../debug > If possible I would like to switch to Nvidia chip without using an second external screen but using the Nouveau driver, > to test this Geeqie problem. > Is there a similar "tool" in F22 as switcheroo in Ubuntu? > Kind Regards > > > > -----Ursprüngliche Mitteilung----- > Von: AV <volovics@xxxxxxxx> > An: For testing and quality assurance of Fedora releases <test@xxxxxxxxxxxxxxxxxxxxxxx> > Verschickt: Mo, 27 Apr 2015 6:21 pm > Betreff: Re: nouveau driver freeze -- can anyone else reproduce this? > > > On 04/27/2015 02:17 PM, Matthew Miller wrote: >> On Mon, Apr 27, 2015 at > 04:48:37AM -0400, Joerg Lechner wrote: >>> If it's an "optimus", is in case of > Geeqie the Nvidia Driver activen >>> or another driver ? >> >> It is indeed > Optimus. Out of the box, Fedora doesn't support switching >> as Windows does. > There are some experimental support for this >> <http://bumblebee-project.org/>, > but it's not very active. So, failing >> that, you can switch in the BIOS setup > screen. In my case, since I'm >> using an external monitor, I needed to set it to > Nvidia, because the >> Intel GPU is only attached to the laptop's built-in > screen. > > > My experience is that since the inclusion of PRIME gpu offloading > the > nouveau driver seems to handle power management and switching > adequately by > itself, at least on older Nvidia Optimus chips. > > And you can get relevant info > on the state through: > # cat /sys/kernel/debug/vgaswitcheroo/switch > > And turn > on/off the gpu driving the output by > # echo ON/OFF > > /sys/kernel/debug/vgaswitcheroo/switch > > Connect the graphics connectors with: > > # echo IGD/DIS > /sys/kernel/debug/vgaswitcheroo/switch > > AV > http://nouveau.freedesktop.org/wiki/Optimus/ What I remember I played successfully with DRI setups a few months back. But this machine isn't currently here. -- test mailing list test@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe: https://admin.fedoraproject.org/mailman/listinfo/test
