acpi=noapic doesn't help this.
I think the regression was made in 4.2.x or 4.3.x (4.2.x kernels have a backlight issue on my laptop, so I use 4.1.x)
acpi=noapic doesn't help this.
I think the regression was made in 4.2.x or 4.3.x (4.2.x kernels have a backlight issue on my laptop, so I use 4.1.x)