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[99.8.241.158]) by smtp.gmail.com with ESMTPSA id a14-20020a05687073ce00b0010be09dc797sm1865458oan.18.2022.07.03.10.55.12 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 03 Jul 2022 10:55:13 -0700 (PDT) Content-Type: text/plain; charset=us-ascii List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.100.31\)) Subject: Re: RPI4 + ntpdate + unbound From: Bakul Shah In-Reply-To: Date: Sun, 3 Jul 2022 12:55:11 -0500 Cc: David Cornejo , freebsd-arm@freebsd.org Content-Transfer-Encoding: 7bit Message-Id: References: To: John Kennedy X-Mailer: Apple Mail (2.3696.100.31) X-Rspamd-Queue-Id: 4Lbc6B2fLNz4qkB X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=iitbombay-org.20210112.gappssmtp.com header.s=20210112 header.b=jj4iBkQ0; dmarc=none; spf=pass (mx1.freebsd.org: domain of bakul@iitbombay.org designates 2607:f8b0:4864:20::230 as permitted sender) smtp.mailfrom=bakul@iitbombay.org X-Spamd-Result: default: False [-2.36 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[iitbombay-org.20210112.gappssmtp.com:s=20210112]; FREEFALL_USER(0.00)[bakul]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-arm@freebsd.org]; DMARC_NA(0.00)[iitbombay.org]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[iitbombay-org.20210112.gappssmtp.com:+]; NEURAL_HAM_SHORT(-0.36)[-0.360]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::230:from]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-arm]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; RCVD_TLS_ALL(0.00)[]; MID_RHS_MATCH_FROM(0.00)[] X-ThisMailContainsUnwantedMimeParts: N > On Jul 3, 2022, at 10:51 AM, John Kennedy wrote: > > On Fri, Jul 01, 2022 at 10:49:33PM -1000, David Cornejo wrote: >> I always hated this about the RPIs - I put a DS3231 on mine and the >> problem disappears. ... > > Yeah. Not sure where Eben would cram it (much less the battery), but > one of these days his form factor needs to expand a bit. But with what > I do with the RPI4 it runs hot, so I've got a good passive case, but > this one hides the GPIO pins entirely and the active-cooling one I'm > looking at is a big chunk of aluminum + fans, which means some pretty > significant risers/headers to get it to clear the heatsink and some > contention with the PWR/GRD pins to power the fan. > > Haven't dug into what RTC driver FreeBSD may support to see where I > can stick the RTC. I do want one, just not seeing options that jump out > at me. A USB based GPS/GNSS dongle can be had for about $10. It will use up one USB port + more power + its antenna needs to be near a window but this might be the easiest way to get realtime on a Pi with no exposed GPIO pins. You may even be able to run as a stratum-1 NTP server!