Here's a really good way to annoy an member of an open software project (well, me anyway):
User: Your software doesn't work on platform $FOO.
Us: Fiddle this, change that, try this, add this.
User: Great, that works if I do this and that and compile with this compiler flag and a westerly tailwind.
Us: Excellent. Try this patch, it should work unmodified. Tell us if it works and we'll change it so it works properly in future.
User is never heard from again.

Repeat several months later with another user and the same platform.

People, please, if you're going to report problems to open software projects, it's your responsibility to follow up. It's your end of the bargain. We will do our best to help you solve your problem, and in return you should help us improve the software. If it's not possible, it's fine to say so (for example, if you no longer have access to that system) but just vanishing without following through is highly annoying.