You have been subscribed to a public bug:
I run into this problem trying to program an ESP8266 board, which uses
the CH341 chip in the programming interface as a USB-to-Serial
interface. The problem appeared after an upgrade from Ubuntu 19.10 to
20.04 (that I carried out one week ago).
This is
Public bug reported:
I run into this problem trying to program an ESP8266 board, which uses
the CH341 chip in the programming interface as a USB-to-Serial
interface. The problem appeared after an upgrade from Ubuntu 19.10 to
20.04 (that I carried out one week ago).
This is the kernel I am using:
