ubuntu22.04下载报错

常规
1

d.sh

  Uart Download

please input the serial port (e.g. /dev/ttyUSB0): /dev/ttyUSB0
/dev/ttyUSB0

thread ‘main’ panicked at sftool-lib/src/lib.rs:78:14:
called Result::unwrap() on an Err value: Error { kind: Unknown, description: “I/O error” }
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace

经常出现，反复插拔设备后有烧写成功的时候

2

一般来说是串口被其他软件占用了