Hi, On Fri, 2018-05-25 at 11:39 +0200, Alexandre Belloni wrote: > > > > The "nvmem registration failed" is highlighted red in the journal, > > and also shows up on every boot. > > > > This is probably fixed by > https://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git/co > mmit/?h=rtc-next&id=c59b3715ac16544f8f68ab7af03f108e339b36aa > Thank you Alexandre! I can confirm that this patch fixes the issue on my machine. > > The error message doesn't give any indication about why it failed. > > How can I help diagnose the what the problem is? > > > > My guess is that CONFIG_RTC_NVMEM is not enabled on your kernel. Yes, that is correct, it isn't enabled. Best regards, Tim