Your log shows:
Apr 28 19:03:14 HIDDEN kernel: [ 1063.197438] usb 3-2.1: new full-speed USB
device number 7 using xhci_hcd
Apr 28 19:03:14 HIDDEN kernel: [ 1063.321857] usb 3-2.1: New USB device found,
idVendor=1a86, idProduct=7523, bcdDevice= 2.64
Apr 28 19:03:14 HIDDEN kernel: [ 1063.321866] usb 3-2.1: New USB device
strings: Mfr=0, Product=2, SerialNumber=0
Apr 28 19:03:14 HIDDEN kernel: [ 1063.321869] usb 3-2.1: Product: USB Serial
And /lib/udev/rules.d/85-brltty.rules says:
# Device: 1A86:7523
# Baum [NLS eReader Zoomax (20 cells)]
ENV{PRODUCT}=="1a86/7523/*", ENV{BRLTTY_BRAILLE_DRIVER}="bm",
GOTO="brltty_usb_run"
What is the device in question? /usr/share/misc/usb.ids says it is
QinHeng Electronics, "CH340 serial converter" which does sound too
generic for brltty.
** Summary changed:
- Microsoft Code PlatformIO extension conflicts with brltty Ubuntu 22.04 LTS
+ Microsoft Code PlatformIO extension conflicts with brltty Ubuntu 22.04 LTS
(USB ID 1a86:7523)
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Packages, which is subscribed to brltty in Ubuntu.
https://bugs.launchpad.net/bugs/1970789
Title:
Microsoft Code PlatformIO extension conflicts with brltty Ubuntu 22.04
LTS (USB ID 1a86:7523)
Status in brltty package in Ubuntu:
New
Bug description:
When using the PlatformIO extension within Microsoft Code to upload
firmware to a ESP32 based microcontroller attached via USB, the upload
fails with the following repeated error messages in syslog:
"brltty: Ignored Byte: xx" Where xx is a different hexadecimal value.
The problem manifests itself with a timeout and a "Looking for upload port...
Error: Please specify `upload_port` for environment or use global
`--upload-port` option." message in PlatformIO.
This error was not present in Ubuntu prior to upgrading to 22.04.
Steps taken to resolve:
1. Changed USB cable between powered hub and microcontroller
2. Attempted upload with USB hub powered off
3. Attempted upload from other USB ports
4. Defined USB port microcontroller is connected to in platform.ini by adding
"upload_port = /dev/ttyUSB0"
Current workaround:
Uninstall the brltty package:
"sudo apt remove brltty"
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/brltty/+bug/1970789/+subscriptions
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