On 10/13/13 11:45, Alexey Dokuchaev wrote: > # usbdump -i usbus4 -f 2 -vvv -s 65536 | grep ERR= | grep -v ERR=0 > 17:04:17.306156 usbus4.2 DONE-CTRL-EP=00000080,SPD=HIGH,NFR=0,SLEN=0,IVAL=0,ERR=TIMEOUT Could you get the previous SUBMIT packet for this TIMEOUT, including verbose data dump. --HPS