clock problems with BeagleBone Black on 12.2BETA2

[Mike Karels]

> 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.

		Mike