On Wed, 16 Feb 2011, Rafael J. Wysocki wrote: > Unfortunately, it doesn't work on my Acer Ferrari One. The problem is that > hcd_pci_suspend() fails for the EHCI controller, apparently because the root > hub is not suspended. Do root hubs need both class suspend and bus type > suspend to work at the same time? No, only the bus type suspend method is needed. Can you provide the dmesg log using a kernel built with CONFIG_USB_DEBUG? Alan Stern _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm