Hi, > hw/usb/hcd-ehci-sysbus.c | 6 ++++++ > hw/usb/hcd-ehci.c | 21 +++++++++++++-------- > hw/usb/hcd-ehci.h | 12 ++++++------
> + s->portscbase = sec->portscbase; > + s->portnr = sec->portnr; These two must be initialized in usb_ehci_pci_initfn too. Otherwise the patch looks fine. cheers, Gerd