On Sun, 2015-06-07 at 12:13 +0000, James wrote: > [ 142.892218] EXT4-fs (sde1): mounted filesystem with ordered data > mode. > Opts: (null)] > > cp to drive > drop is next > > [ 234.054404] usb 3-1: reset SuperSpeed USB device number 2 using > xhci_hcd > [ 234.357368] usb 3-1: reset SuperSpeed USB device number 2 using > xhci_hcd A lot of resets with no reason. You need to enable debugging for the storage driver. Regards Oliver -- 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