Comment 13 for bug 1448485

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penalvch (penalvch) wrote : Re: kernel don't recognize laptop backlight fn keys

Martin Bångens, if you tested 14.04.1 that's fine, as I was trying to find the most recent release where this was not reproducible. So, please disregard the 14.04.0 test.

Despite this, the next step is to fully commit bisect from kernel 3.13 to 3.19 in order to identify the last good kernel commit, followed immediately by the first bad one. This will allow for a more expedited analysis of the root cause of your issue. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ?

Please note, finding adjacent kernel versions is not fully commit bisecting.

Thank you for your understanding.

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