On Mon, 22 Jan 2018, Samuel Sadok wrote: > As requested by Chen Yu on bugzilla, I added no_console_suspend=1 to > the kernel cmdline and updated to the (roughly) latest kernel, > 4.14.14-1-ARCH. > > Here's the new log: > https://pastebin.com/buhEMyKk > > From a quick comparison with the old log I don't see any significant > difference, except that these messages > > [ 32.671107] xhci_hcd 0000:00:14.0: Cannot set link state. > [ 32.671112] usb usb2-port4: cannot disable (err = -32) > [ 32.671153] xhci_hcd 0000:00:14.0: Cannot set link state. > [ 32.671157] usb usb2-port4: cannot disable (err = -32) > > don't repeat forever. It would be helpful to include debugging information in your log. Before starting the suspend, do: echo module usbcore =p >/sys/kernel/debug/dynamic_debug/control You could also collect a usbmon trace while running the test; it might help too. Alan Stern -- 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
