Error Module Usbserial Is In Use
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Could Not Remove Module Device Or Resource Busy
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Rmmod Error Module Is In Use
the port with excess input data From: David Decotigny
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enthusiasts and power users. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the https://sourceforge.net/p/ftdi-usb-sio/mailman/message/23070008/ top How to restart ttyusb* up vote 5 down vote favorite 5 I have two devices that are continuously feeding data through ttyUSB0 and ttyUSB1. I have php scripts that are using this data. The problem I am running into is that sometimes the feed just kind of freezes. The best way I've seen to fix this is to unplug the BUB board from the computer and plug it in again. http://superuser.com/questions/572034/how-to-restart-ttyusb However, I am looking for a way to automate this action. Is there a way to to tell linux to essentially eject the BUB board and then somehow pick it up again? linux usb tty share|improve this question asked Mar 27 '13 at 5:22 emilyk 31116 Try the solution in this other thread: stackoverflow.com/questions/21580750/… –user528218 Dec 1 '15 at 9:31 add a comment| 2 Answers 2 active oldest votes up vote 4 down vote I'm having the same problem as you but in a different context ( I open a serial console on a linux box ). The serial link sometimes becomes unresponsive and I have to physically unplug the USB-serial converter. The below seems to solve my problem, but not always. Find the driver associated to your ttyUSBx device. [my-pc]# cat /proc/tty/drivers /dev/tty /dev/tty 5 0 system:/dev/tty /dev/console /dev/console 5 1 system:console /dev/ptmx /dev/ptmx 5 2 system /dev/vc/0 /dev/vc/0 4 0 system:vtmaster rfcomm /dev/rfcomm 216 0-255 serial usbserial /dev/ttyUSB 188 0-253 serial ttyprintk /dev/ttyprintk 5 3 console serial /dev/ttyS 4 64-111 serial pty_slave /dev/pts 136 0-1048575 pty:slave pty_master /dev/ptm 128 0-1048575 pty:master unknown /dev/tty 4 1-63 console You can see that /dev/ttyUSB uses usbserial. Now dig a little further: [my-pc]# lsmod | grep usbserial usbserial 37173 1 pl230
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