> > > > Facing kernel "Unhandled fault: imprecise external abort (0x1406)" > > when trying to load xhci_pci.ko module for uPD720202. Receiving this > > fault straight-away when driver trying to setup device. > > I had "imprecise external abort" on ARM systems in the following cases: - Subsystem that was accessed was not powered - Clock of accessed subsystem was turned off Maybe this enables you to find the true reason. Can you try to disable runtime power management to check if it works? Best regards Carsten