Date: Fri, 25 Sep 2020 00:07:03 -0500 From: Mike Karels <mike@karels.net> To: Glen Barber <gjb@freebsd.org> Cc: Ed Maste <emaste@freebsd.org>, "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>, FreeBSD Release Engineering Team <re@freebsd.org> Subject: Re: clock problems with BeagleBone Black on 12.2BETA2 Message-ID: <202009250507.08P573Bh045283@mail.karels.net> In-Reply-To: Your message of Fri, 25 Sep 2020 00:33:47 -0000. <20200925003347.GG60607@FreeBSD.org>
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> Date: Fri, 25 Sep 2020 00:33:47 +0000 > From: Glen Barber <gjb@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@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
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