I'm not entirely sure this is an acpi problem. There is still an 8s wait with acpi disabled (I used acpi=off noacpi).
Apr 25 12:45:27 rock-laptop kernel: [ 1.006726] io scheduler cfq registered (default) Apr 25 12:45:27 rock-laptop kernel: [ 9.004007] pci 0000:00:1d.7: EHCI: BIOS handoff failed (BIOS bug?) 01010001
I'm not entirely sure this is an acpi problem. There is still an 8s wait with acpi disabled (I used acpi=off noacpi).
Apr 25 12:45:27 rock-laptop kernel: [ 1.006726] io scheduler cfq registered (default)
Apr 25 12:45:27 rock-laptop kernel: [ 9.004007] pci 0000:00:1d.7: EHCI: BIOS handoff failed (BIOS bug?) 01010001