MSGID: <4bm*heGtA@news.chiark.greenend.org.uk> 7c08a8fa
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Daniel James  wrote:
> On 08/12/2025 13:13, Andy Burns wrote:
> >>
> >> Have you done that?
> > It only says it's a warning, not an error.

When something gives a warning that says 'this thing probably won't work',
it pays to pay heed, even if it doesn't immediately fail stop.

> True, but if you $(SEARCH_ENGINE_OF_CHOICE) for it you will find that 
> there is a suggestion that some things may not work in the situations 
> that trigger the warning.
> 
> It's surprising how often clutching at straws yields results!

Indeed!

On the subject of trying random things, the one Java+USB weirdness I know
about (using the Altera JTAG stack, which is mostly C++ but some higher
level tools are in Java) is fixed via installing the libudev0 package. 

Seemingly the JTAG tools try to use the bindings for libudev but an old
version and then try something less reliable if they aren't found.  I've
found that symlinking /usr/lix/x86_64-linux-gnu/libudev.so.1 to libudev.so.0
fixes that - only just discovered there's a 'libudev0' package that does it
properly.

I doubt this is the OP's problem though.

Theo

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