pictographer
Well-known member
A recent update to Ubuntu 20.10 on my desktop PC seems to have removed /dev/ttyACM0. This was working fine in Ubuntu 20.10 before the update.
I tried updating to the latest UDEV rules.
I tried rebooting.
I tried removing the ModemManager.
lsusb does detect a teensy.
dmesg reports
Currently have Arduino 1.8.13 / Teensyduino 1.53 installed. As you might expect, the serial monitor doesn't work anymore. It worked fine until yesterday.
Haven't found anything on the net that gives a way forward. Support for /dev/ttyACM* should be built in to Ubuntu.
I tried updating to the latest UDEV rules.
I tried rebooting.
I tried removing the ModemManager.
lsusb does detect a teensy.
dmesg reports
Code:
[ 420.800149] usb 5-1: USB disconnect, device number 2
[ 442.890413] usb 5-1: new full-speed USB device number 3 using xhci_hcd
[ 443.061008] usb 5-1: New USB device found, idVendor=16c0, idProduct=0482, bcdDevice= 2.73
[ 443.061014] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 443.061017] usb 5-1: Product: Keyboard/Mouse/Joystick
[ 443.061020] usb 5-1: Manufacturer: Teensyduino
[ 443.061022] usb 5-1: SerialNumber: 1901560
[ 443.086676] input: Teensyduino Keyboard/Mouse/Joystick as /devices/pci0000:00/0000:00:10.0/usb5/5-1/5-1:1.0/0003:16C0:0482.000B/input/input23
[ 443.146928] hid-generic 0003:16C0:0482.000B: input,hidraw0: USB HID v1.11 Keyboard [Teensyduino Keyboard/Mouse/Joystick] on usb-0000:00:10.0-1/input0
[ 443.156522] input: Teensyduino Keyboard/Mouse/Joystick Mouse as /devices/pci0000:00/0000:00:10.0/usb5/5-1/5-1:1.1/0003:16C0:0482.000C/input/input24
[ 443.156740] hid-generic 0003:16C0:0482.000C: input,hidraw1: USB HID v1.11 Mouse [Teensyduino Keyboard/Mouse/Joystick] on usb-0000:00:10.0-1/input1
[ 443.165464] hid-generic 0003:16C0:0482.000D: hidraw2: USB HID v1.11 Device [Teensyduino Keyboard/Mouse/Joystick] on usb-0000:00:10.0-1/input2
[ 443.174558] input: Teensyduino Keyboard/Mouse/Joystick as /devices/pci0000:00/0000:00:10.0/usb5/5-1/5-1:1.3/0003:16C0:0482.000E/input/input25
[ 443.174731] hid-generic 0003:16C0:0482.000E: input,hidraw3: USB HID v1.11 Joystick [Teensyduino Keyboard/Mouse/Joystick] on usb-0000:00:10.0-1/input3
[ 443.183579] input: Teensyduino Keyboard/Mouse/Joystick as /devices/pci0000:00/0000:00:10.0/usb5/5-1/5-1:1.4/0003:16C0:0482.000F/input/input26
[ 443.242743] hid-generic 0003:16C0:0482.000F: input,hidraw4: USB HID v1.11 Device [Teensyduino Keyboard/Mouse/Joystick] on usb-0000:00:10.0-1/input4
Currently have Arduino 1.8.13 / Teensyduino 1.53 installed. As you might expect, the serial monitor doesn't work anymore. It worked fine until yesterday.
Haven't found anything on the net that gives a way forward. Support for /dev/ttyACM* should be built in to Ubuntu.