intel 8265 bluetooth no longer functions as of 4.16
https://bugzilla.kernel.org/show_bug.cgi?id=199351
--- Comment #7 from [email protected] ---
I believe I have found the culprit: commit eff2d68ca7388ee1c08811c6bbf4d8587cba01da enables btusb autosuspend by default given a certain Kconfig option, and I confirmed that Arch Linux did opt in to it.
Appending btusb.enable_autosuspend=n to my kernel command line has effectively solved my issue as far as I am concerned.
I had discovered that autosuspend "broke" my bluetooth device a long time ago, but it hasn't crossed my mind for a while. The actual bug here is that autosuspend causes the bluetooth device to stop working.
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https://bugzilla.kernel.org/show_bug.cgi?id=199351
--- Comment #8 from Bernd Steinhauser ([email protected]) --- Interesting, because that's exactly the option that I found to cause my problem as well, even though the outcome seems to be different. ;)
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