On Tue, Sep 04, 2012 at 03:40:56PM -0700, Sarah Sharp wrote: > On Tue, Aug 14, 2012 at 04:44:49PM -0400, Matthew Garrett wrote: > > I've no idea what's causing the underlying problem, and xhci still doesn't > > actually *work* even with this, but the machine at least boots which will > > probably make further debugging easier. > > Is this an Ivy Bridge system? xHCI may not work because you're skipping > the port switchover code just before the hc_init label. Of course, if > the host controller continues to report all f's for register values, > there's no point in trying to initialize the host at all... It's an SNB-E board with a series 7 chipset. The xHCI controller is an NEC. When it's in this failure state it doesn't seem like there's anything in the mmio BAR that's happy to talk to us, but I'll check the logs to see what xhci-hcd says. -- Matthew Garrett | mjg59@xxxxxxxxxxxxx -- 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
