![]() Update 2019.10.20-22.10 EEST: I don’t have this computer anymore, so I’m sorry but probably I’m not going to be able to help you. Update 2018.01.21-09.20 EET: I just installed macOS update 10.13.3 and after testing a little bit I got to the conclusion that what work best for me is to set pmset -a gpuswitch 1 But I don’t know if it’s really that or it’s other thing. I changed to 0 and then to 2 again, and seems that everything is normal again. I really don’t know what is the reason, but seems it’s related to the gpuswitch parameter. ![]() Also the computer didn’t turn off and got stuck in a black screen. Everything worked fine, but on wake up of hibernation I got a black screen a couple of times. ![]() Update 2018.01.09-21.35 EET: After install the security update to mitigate the effects of Spectre, I have to apply the fix again as explained here. Update 2017.12.18-14.42 EET: I’ve tried to wake up from hibernation without gxfCardStatus and it worked pretty well I didn’t have any issue, so if you don’t want to have it installed or at least running in the background I think it’s OK. I’ve updated steps 11 and 12 in consequence. gfxCardStatus can help since the problem after wake up is the dGPU activates and the computer freezes.pmset gpuswitch option can help, but it’s really undocumented officially, so we really don’t know what the values for 0, 1 and 2 stand for, and can vary from machine to machine I guess, or at least to macOS version to version.You don’t use AMDGPUWakeHandler with this solution, since it could create a kernel panic… so for that reason doesn’t work.Update 2017.12.13-09.08 EET: After checking about the wake up problem after sleeping / hibernating with the people form MacRumors, I reached some conclusions. Depending on if I have AMDGPUWakeHandler on or off I get different outputs, but none of those end in a successful wakeup. subraizada3 Posts: 2 Joined: 11.Update 2017.12.12-14.20 EET: whether or not I use the AMDGPUWakeHandler and whether I sleep or hibernate I can’t wake up of the hibernation/sleep. Once I did this for all applicable programs, the GPU was turned on/off automatically whenever these programs were launched or exited, with no intervention required from the user. desktop file to have them use optirun (e.g., for VB, the line "Exec=VirtualBox %U" was change to "Exec=optirun VirtualBox %U"). For the programs that I want to use on the Nvidia GPU, I modified the. desktop files are used to generate entries in the applications menu, and to launch applications in general. Optirun also takes care of turning off the Nvidia card when the program exits, which is useful because just turning on the GPU without using it increases the battery's discharge rate from about 8-9 W/h to 14-16 W/h. Optirun automatically turns on the Nvidia card and runs the program on it, and the Nvidia card's output is piped through the Intel card onto the screen (like on WIndows/mac). 'optirun VirtualBox' instead of just 'VirtualBox'. I have the open source Intel drivers and the proprietary nvidia drivers both installed, and use Bumblebee (I'll post the link once my account is a day old) to use them both.Īny program that requires the discrete GPU is launched with optirun, e.g. The computer is a Dell XPS 15 with a Intel HD 630 and a GTX 1050m. Now that I've set it up, the computer switches between the two cards automatically, like on Windows and mac. MPerz wrote:Yours is an interesting setup I'd like to hear how you fare with it.
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