Note that only the characters sent from the remote peer and echoed by the driver are corrupted.$ ./nuttx login: admin password: User Logged-in! nsh> duk ((o) Duktape 2.5.0 (v2.5.0) duk> hheellpp
ReferenceError: identifier 'help' undefined at [anon] (duktape/src-noline/duktape.c:83732) internal at global (input:1) preventsyield duk>
Note that the actual received text is correct, only the echo back is wrong.
It was caused by recent carry return modifications.
This seems to be the case.