Invalid time in real time clock
Christian Weisgerber
naddy at mips.inka.de
Sun Feb 2 15:54:34 UTC 2014
Christian Weisgerber <naddy at mips.inka.de> wrote:
> > atrtc0: WARNING: Battery failure indication
> > Invalid time in real time clock.
> > Check and reset the date immediately!
> >
> > Incongruously, the RTC time is actually correct. Well, off by a
> > minute or so. Clearly the new battery is good.
>
> Turns out I misunderstood this. I thought the system time was still
> set from the RTC despite the warning. It isn't.
Still, booting into the BIOS shows that the RTC keeps up, so it
shouldn't be a battery problem. I cleared the RTC memory, set the
date and time in the BIOS again, but I still get the warning and
FreeBSD ignores the RTC. It looks like the RTCSD_PWR bit is stuck
and there is no way to reset it.
--
Christian "naddy" Weisgerber naddy at mips.inka.de
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