(In reply to Karl Mistelberger from comment #19) > (In reply to Takashi Iwai from comment #18) > > Ah of course; sorry, I was confused as if it were about tlp stuff. > > > > So this sounds like a regression in thinkpad_acpi driver. > > Could you try to open a report on the upstream bugzilla.kernel.org? Put me > > (tiwai@suse.de) to Cc there. > > bugzilla.kernel.org says: If you did not compile your own kernel from > scratch, you are probably in the wrong place. Ignore the warning and just go ahead. You're testing with the latest upstream code, and I can help building a kernel from the distro side, so there is no problem.