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Thu, 25 Nov 2021 03:11:39 +0000 Received: by kubenode511.mail-prod1.omega.ne1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 4084bff79d170c1fdda2edf59017bed8; Thu, 25 Nov 2021 03:11:36 +0000 (UTC) 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 14.0 \(3654.120.0.1.13\)) Subject: Re: 13.0-RELEASE Poor performance on Raspberry pi 3 B+ In-Reply-To: Date: Wed, 24 Nov 2021 19:11:34 -0800 Cc: Free BSD , bob prohaska Content-Transfer-Encoding: quoted-printable Message-Id: <69E3CEF1-87D0-405B-B132-7D6A6A4EA056@yahoo.com> References: <20211124155352.GA26072@www.zefox.net> <6CCD061E-DCDA-46E0-AE19-76EA1B30E56F@yahoo.com> To: Juan David Hurtado G X-Mailer: Apple Mail (2.3654.120.0.1.13) X-Rspamd-Queue-Id: 4J02wL1Zmnz3sTm X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-arm X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: N On 2021-Nov-24, at 18:51, Juan David Hurtado G = wrote: > Thanks for the feedback ! >=20 > > Very strange. I get > Can you share the brand model of the microSD cards that you are using? = Just for reference. >=20 > > bob prohaska >=20 >=20 > > What specific version/variation of the RPi4B was in use? > I'm using raspberry pi 4 / 4 GB RAM There are: v1.1, V1.2, and v1.4 revisions of that. Which? (Hmm. got to go. . . .) > > What RPi4B firmware vintage was in use? > > What U-Boot vintage was in use? > > What FreeBSD loader.efi vintage is n use? >=20 > > =3D=3D=3D > > Mark Millard >=20 > This is what I get: >=20 > root@generic:~ # strings /boot/msdos/u-boot.bin | grep "U-Boot 2" > U-Boot 2020.10 (Apr 09 2021 - 03:55:54 +0000) >=20 > root@generic:~ # strings /boot/msdos/start4.elf | grep VC_BUILD_ID_ > VC_BUILD_ID_USER: dom > VC_BUILD_ID_TIME: 12:10:40 > VC_BUILD_ID_VARIANT: start > VC_BUILD_ID_TIME: Feb 25 2021 > VC_BUILD_ID_BRANCH: bcm2711_2 > VC_BUILD_ID_HOSTNAME: buildbot > VC_BUILD_ID_PLATFORM: raspberrypi_linux > VC_BUILD_ID_VERSION: 564e5f9b852b23a330b1764bcf0b2d022a20afd0 (clean) >=20 > PS: I've installed netBSD using the same card / pi 3 B+ combination = and it runs ok at 50 MHz. I'll try tomorrow on the pi 4 >=20 > ``` > arm64# dmesg | grep sdmmc | grep MHz > [ 2.009317] sdmmc1: 4-bit width, 50.000 MHz > ``` =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)