On Mon, Oct 21, 2024 at 12:25 AM Jeffrey Walton <noloa...@gmail.com> wrote:
> On Sun, Oct 20, 2024 at 11:33 PM Timothy M Butterworth > <timothy.m.butterwo...@gmail.com> wrote: > > > > I have the following device: > > Bus 003 Device 010: ID 0403:6001 Future Technology Devices > International, Ltd FT232 Serial (UART) IC > > > > I expect the device to show up as: /dev/ttyUSB0 but i am not finding > any ttyUSB devices in /dev. > > > > I Googled around some and found that the drivers for this device have > been included in the Linux kernel since version 3.0. > > > > I have two of these and when I plug-in both I get ttyUSB0. If I unplug > either USB interfaces then I loose ttyUSB0. > > > > Linux Hardware shows the device failing on Debian 12. Which is strange > since I was using this device just fine on Debian 12. I am currently > running trixie. > > https://linux-hardware.org/?id=usb:0403-6001 > > > > Does anyone have any ideas. > > The tail of dmesg probably has more information. > [366859.676600] usb 3-2.4.2: new full-speed USB device number 18 using xhci_hcd [366859.800963] usb 3-2.4.2: New USB device found, idVendor=0403, idProduct=6001, bcdDevice= 6.00 [366859.800976] usb 3-2.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [366859.800980] usb 3-2.4.2: Product: FT232R USB UART [366859.800983] usb 3-2.4.2: Manufacturer: FTDI [366859.800985] usb 3-2.4.2: SerialNumber: AB5RTY8F [366859.807076] ftdi_sio 3-2.4.2:1.0: FTDI USB Serial Device converter detected [366859.807133] usb 3-2.4.2: Detected FT232R [366859.815334] usb 3-2.4.2: FTDI USB Serial Device converter now attached to ttyUSB0 [366863.879208] usb 3-2.4.2: usbfs: interface 0 claimed by ftdi_sio while 'brltty' sets config #1 [366863.882652] ftdi_sio ttyUSB0: FTDI USB Serial Device converter now disconnected from ttyUSB0 [366863.882687] ftdi_sio 3-2.4.2:1.0: device disconnected brltty seems to be causing a conflict. I purged brltty and now it works perfectly. [367113.900361] usb 3-2.4.2: new full-speed USB device number 19 using xhci_hcd [367114.028071] usb 3-2.4.2: New USB device found, idVendor=0403, idProduct=6001, bcdDevice= 6.00 [367114.028086] usb 3-2.4.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [367114.028090] usb 3-2.4.2: Product: FT232R USB UART [367114.028093] usb 3-2.4.2: Manufacturer: FTDI [367114.028096] usb 3-2.4.2: SerialNumber: AB5RTY8F [367114.034822] ftdi_sio 3-2.4.2:1.0: FTDI USB Serial Device converter detected [367114.034868] usb 3-2.4.2: Detected FT232R [367114.043377] usb 3-2.4.2: FTDI USB Serial Device converter now attached to ttyUSB0 Thanks > Jeff > -- ⢀⣴⠾⠻⢶⣦⠀ ⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system ⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/ ⠈⠳⣄⠀⠀
