Ok, I've managed to track this down to bios setting regarding "keep feeding electrivity to usb ports while in sleep". So apparently this is some quirk related to failed efi firmware or acpi tables for asus ux31a laptop.
Ok, I've managed to track this down to bios setting regarding "keep feeding electrivity to usb ports while in sleep". So apparently this is some quirk related to failed efi firmware or acpi tables for asus ux31a laptop.