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Hermes SMTP Server) with ESMTPA ID c94077d435df8e0336675eb5b4873517; Sun, 07 Jul 2024 19:38:24 +0000 (UTC) Content-Type: text/plain; charset=utf-8 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 \(3774.600.62\)) Subject: Re: ntpd vs ntpdate with no hardware clock From: Mark Millard In-Reply-To: Date: Sun, 7 Jul 2024 12:38:13 -0700 Cc: bob prohaska , Ronald Klop , "freebsd-arm@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: References: <454282477.15929.1720372600841@localhost> <3C703965-FE57-441D-9A64-0EB72C7E7E6F@yahoo.com> To: Warner Losh X-Mailer: Apple Mail (2.3774.600.62) X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US] X-Rspamd-Queue-Id: 4WHHc56R2Qz49n1 On Jul 7, 2024, at 11:03, Warner Losh wrote: > On Sun, Jul 7, 2024, 11:54=E2=80=AFAM Mark Millard = wrote: >> On Jul 7, 2024, at 10:23, bob prohaska wrote: >>=20 >> > On Sun, Jul 07, 2024 at 11:18:56AM -0600, Warner Losh wrote: >> >> On Sun, Jul 7, 2024, 11:16=E2=80=AFAM Ronald Klop = wrote: >> >>=20 >> >>> I created fakertc for my rpi4. >> >>>=20 >> >>> https://www.freshports.org/sysutils/fakertc/ >> >>>=20 >> >>> Saves the time on shutdown and sets it back early at boot. >> >>>=20 >> >>> Plus I use ntpdate together with ntpd. Works fine. >> >>>=20 >> >>=20 >> >> Curious why the root mod time isn't firing... it whould alrwady do = that >> >>=20 >> > Root mod time seems fairly laggy: >> > rprohask@www:~ % date >> > Sun Jul 7 10:20:38 PDT 2024 >> > rprohask@www:~ % ls -al / >> > total 97 >> > drwxr-xr-x 20 root wheel 512 Jul 5 13:21 . >> > drwxr-xr-x 20 root wheel 512 Jul 5 13:21 .. >> > unless I'm misusing ls -al, of course.... >>=20 >> I mount with noatime in use. Do you? >=20 > Doesn't matter since it's in the superblock. Interesting. I'd not thought of such. >> Are you trying to show: >>=20 >> time when file was created (-Ul) >> time when file status was last changed (-cl) >> time when file was last modified (-l) >> time of last access (-ul) >>=20 >> You implicitly specified "last modified". So >> when was the last change to the root directory >> representation? It likely is not modified often. >> (Modifications to file content and subdirectories >> would not modify / of itself.) >=20 > It's in the superblock. Time of last unmount / update (I'd recalled = incorrectly). >=20 >> linux can have relatime vs. strictatime modes. >> relatime mode updates the atime less often, via >> a rule set. A linux can have relatime by default. >=20 > Yea... none of that matters... >=20 Well, even with ports/packages, FreeBSD does not have enough tools to well maintain a RPi4B. For example: for doing EEPROM updates. This can lead to also having linux boot media that could separately suffer the same sort of issues. I have boot media for RaspiOS64lite (my abbreviation) that I update in order to in turn do things like update the EEPROM content of the RPi4B's, for example. Thus, for the type of overall context (RPi4B), I considered the notes potentially relevant and, so, appropriate. =3D=3D=3D Mark Millard marklmi at yahoo.com