panic: invalid bcd xxx

[Oleksandr Tymoshenko]

Adrian Chadd (adrian.chadd at gmail.com) wrote:
> On 2 March 2017 at 01:31, Matthias Apitz <guru at unixarea.de> wrote:
> > On Thursday, 2 March 2017 00:37:35 CET, Michael Gmelin <freebsd at grem.de>
> > wrote:
> >>
> >>
> >>
> >>> On 2 Mar 2017, at 00:35, Adrian Chadd <adrian.chadd at gmail.com> wrote:
> >>>
> >>> This is an emulated BIOS though, right?
> >>>
> >>> I don't know if we're going to get the RTC 'bugfixed'...
> >>>
> >>
> >>
> >> It's SeaBIOS, yes. I feel like this might end up in another
> >> quirk/workaround solution.
> >>
> >
> > I'm one of the C720 owners and  apart of Michael, I only know two users more
> > running FreeBSD. The SeaBIOS in our devices. is outdated, mine from 2013
> > IIRC. I dont know if there is an easy way to update this.
> 
> We're not; we need to cope with crappy BIOS emulations and not crash :)
> 
> What's Linux doing instead? Ignoring the RTC?

I believe I saw the same problem on either my NUC or Minnowboard.
I just hacked around it to work on something else and didn't
have time to get back to the device since then. But it's not
just emulation BIOS. I think the right way to go is to perform sanity
check on RTC data and refuse to use it if it's not valid.

-- 
gonzo