On Fri, May 27, 2011 at 09:53:31AM +1000, Benjamin Herrenschmidt wrote: > Hi folks ! > > Current upstream, POWER7 machine running bare metal, there's no BIOS at > all, so the whole handover failing thing is an oddity in the first place > which I haven't tracked down yet, but it should cause that crash: > > ohci_hcd 0000:07:02.0: OHCI Host Controller > ohci_hcd 0000:07:02.0: new USB bus registered, assigned bus number 4 > ohci_hcd 0000:07:02.0: USB HC takeover failed! (BIOS/SMM bug) Right there, that's the issue. You need a BIOS, or at least a way to not fail this takeover test. A new quirk for this PCI device perhaps to handle this properly? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
