Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 24 Nov 2021 19:11:34 -0800
From:      Mark Millard via freebsd-arm <freebsd-arm@freebsd.org>
To:        Juan David Hurtado G <jdhurtado@orbiware.com>
Cc:        Free BSD <freebsd-arm@freebsd.org>, bob prohaska <fbsd@www.zefox.net>
Subject:   Re: 13.0-RELEASE Poor performance on Raspberry pi 3 B+
Message-ID:  <69E3CEF1-87D0-405B-B132-7D6A6A4EA056@yahoo.com>
In-Reply-To: <CAL3Ut_ZQO2WAvJuMqjpsQyCbyqmBVjMrqC%2BjXrid1ovWkpsUjA@mail.gmail.com>
References:  <CAL3Ut_bFZhWKThHJsPaa%2BP0JXH6-=e3Pxv3xF3Y0u9dXpQ3kZQ@mail.gmail.com> <CAL3Ut_Y_BLbGM1WZ%2B8JbkSp9F=s9_xcWbFikLpcOufioxd1m_g@mail.gmail.com> <20211124155352.GA26072@www.zefox.net> <6CCD061E-DCDA-46E0-AE19-76EA1B30E56F@yahoo.com> <CAL3Ut_ZQO2WAvJuMqjpsQyCbyqmBVjMrqC%2BjXrid1ovWkpsUjA@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help


On 2021-Nov-24, at 18:51, Juan David Hurtado G <jdhurtado@orbiware.com> =
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)




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?69E3CEF1-87D0-405B-B132-7D6A6A4EA056>