Updated description. I did a lot of tests. Anyway, my pc configuration:
Acer ASPIRE e5-571G Intel Core i5 4210u 1.7Ghz/2.7 Nvidia Geforce 820M
Kernel command line: quiet splash acpi_osi= acpi_osi= for me is needed because the optimus card can't exit from D3 state after resuming from suspend.
Updated description. I did a lot of tests.
Anyway, my pc configuration:
Acer ASPIRE e5-571G
Intel Core i5 4210u 1.7Ghz/2.7
Nvidia Geforce 820M
Kernel command line: quiet splash acpi_osi=
acpi_osi= for me is needed because the optimus card can't exit from D3 state after resuming from suspend.