clock problems with BeagleBone Black on 12.2BETA2

[Glen Barber]

On Fri, Sep 25, 2020 at 01:17:34PM +0200, Michal Meloun wrote:
> 
> 
> On 25.09.2020 11:33, Glen Barber wrote:
> > 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,
> do you see same problem also on CURRENT?

CURRENT is reportedly not exhibiting this behavior.

Glen

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.freebsd.org/pipermail/freebsd-arm/attachments/20200925/00e918df/attachment.sig>