This Skylake issue also pertains to new Dell Inspiron 7559 laptops with dual gpu's- Intel 530 and NVidia GTX960. Several settings are required for make this laptop marginally functional under Linux:
- nomodeset required as a boot parameter for the installation of Kubuntu
- Once the 4.4 kernel is installed, nomodeset can be removed from grub.conf
- However, to use the NVidia GPU, xorg.conf must be configured. Ubuntu graphics manager detects the Intel CPU on boot and stomps on the xorg.conf file. To prevent this, nogpumanager must be added as a boot parameter in grub.conf.
- Using prime-select to switch between the GPU's works, but the xorg.conf must be manually set for the respective gpu and sddm restarted.
- Even with the above measures, the laptop will not reliably wake from suspend for either GPU.
- Battery life does not improve when using the Intel gpu which implies the NVidia GPU is not properly disabled.
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