Hi, Back in 2010 the default usb-storage delay_use time was reduced from 5 to 1 second (commit a4a47bc03fe520e95e0c4212bf97c86545fb14f9), but kernel-parameters.txt wasn't updated to reflect that. Signed-off-by: Mark Knibbs <markk@xxxxxxxxxxx> --- diff -upN linux-3.17/Documentation/kernel-parameters.txt.orig linux-3.17/Documentation/kernel-parameters.txt --- linux-3.17/Documentation/kernel-parameters.txt.orig 2014-10-05 20:23:04.000000000 +0100 +++ linux-3.17/Documentation/kernel-parameters.txt 2014-10-10 13:51:16.000000000 +0100 @@ -3502,7 +3502,7 @@ bytes respectively. Such letter suffixes usb-storage.delay_use= [UMS] The delay in seconds before a new device is - scanned for Logical Units (default 5). + scanned for Logical Units (default 1). usb-storage.quirks= [UMS] A list of quirks entries to supplement or -- 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