2009/5/26 Kay Sievers <kay.sievers@xxxxxxxx>: > On Tue, May 26, 2009 at 00:31, Andries E. Brouwer > <Andries.Brouwer@xxxxxx> wrote: > >> I can imagine that your device is a slow starter and needs some time >> to initialize itself, so that the first, or the first few, commands fail, >> and after that all is well. > > Michael, what's the value of: > /sys/module/usb_storage/parameters/delay_use > ? >From the usbmon trace, we can find that delay_use should be 5sec, so nothing to do with it. ef6c5e80 3223722144 S Ci:1:006:0 s 80 06 0303 0409 00ff 255 < ef6c5e80 3223722262 C Ci:1:006:0 0 30 = 1e033000 30003000 30003000 30003100 20002000 20002000 20002000 2000 ef6c5e80 3223722408 S Co:1:006:0 s 00 09 0001 0000 0000 0 ef6c5e80 3223722513 C Co:1:006:0 0 0 ------------------------------delay 5sec---------------------------------------------------- ef48ab00 3228749167 S Ci:1:006:0 s a1 fe 0000 0000 0001 1 < ef48ab00 3228749297 C Ci:1:006:0 0 1 = 00 -- Lei Ming -- 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
