Alan, > By the way, I noticed above that you have xhci-hcd installed. As far > as I know, that driver does not yet support system suspend. You should > try unloading xhci-hcd before doing the suspend (both with and without > CONFIG_USB_DEBUG). as I added xhci among the SUSPEND_MODULES for pm, I tried pm-hibernate after a successful pm-suspend. but this doesn't work, the machine just goes blank, and it doesn't power off. doing a power cycle boots it 'as usual'. how can one debug the hibernation process? Akos -- 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