clock problems with BeagleBone Black on 12.2BETA2

[Glen Barber]

On Fri, Sep 25, 2020 at 12:07:03AM -0500, Mike Karels wrote:
> > Date: Fri, 25 Sep 2020 00:33:47 +0000
> > From: Glen Barber <gjb at freebsd.org>
> 
> > On Thu, Sep 24, 2020 at 06:04:58PM -0400, Ed Maste wrote:
> > > On Tue, 22 Sep 2020 at 14:09, Mike Karels <mike at karels.net> wrote:
> > > >
> > > > I just installed 12.2BETA2 on a BeagleBone Black (armv7), and it took
> > > > at least an hour.  I hit ^T periodically, and time seemed screwed up
> > > > (real time was progressing slowly at best).
> > >
> > > I've independently confirmed this on the 12.2BETA2 image; from my console:
> > > ...
> > > FreeBSD 12.2-BETA2 r365865 GENERIC arm
> > > ...
> > > Trying to mount root from ufs:/dev/ufs/rootfs [rw]...
> > > Warning: no time-of-day clock registered, system time will not be set acc=
> > urately
> > > Growing root partition to fill device
> > > random: read_random_uio unblock wait
> > > load: 1.28  cmd: awk 39 [piperd] 0.12r 0.00u 0.00s 0% 2060k
> > > load: 1.28  cmd: awk 39 [piperd] 0.14r 0.00u 0.00s 0% 2060k
> > > ...
> > >
> > > time seems to be running about 500x slow.
> > >
> > > I ^C'd each startup script that was stuck (I'm not as patient as
> > > Mike), and got to a login prompt. I was able to login as root just
> > > fine and the system seemed responsive for commands that don't sleep. I
> > > tried `sleep 0.01` and that took about 5 seconds of actual time.
> > >
> 
> > Given the 1 second = 5 seconds info, does it eventually finish, or have
> > you just killed the power to it before getting that far?
> 
> In my case, it finished, but took at least an hour.  It may have taken
> longer if I didn't hit ^T periodically, e.g. I think that helped seed
> entropy.  But according to Ed's measurement, it is closer to 1 second =
> 500 seconds.
> 

Err, sorry, I misread part of Ed's email, and 1 second = 500 seconds is
what he seems to report as well.

Glen

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