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Why Linux developers do not fix reported issues or ignore bug reports
Why your Linux kernel bug report might be fruitless
That will make you test a fresh mainline kernel, which is needed to determine if your bug is something for the regular developers or the stable team to handle – or might be one of those issues that will never be fixed in the particular longterm series anyway. That for example can happen easily when multiple people report similar symptoms in a thread that in face have different unrelated causes; off-topic, confusing, too much quotations, much too detailed comments, or too many attachments can be a problem, too. That in principle is true even for regressions or severe bugs (e.g. vulnerabilities, data loss, or hardware damage) – but developers or maintainers will look into those to avoid a bad reputation, which would cause trouble for future contributions or might cost them their rank.
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