Re: 13.0-RELEASE Poor performance on Raspberry pi 3 B+

From: Mark Millard via freebsd-arm <freebsd-arm_at_freebsd.org>
Date: Thu, 25 Nov 2021 03:11:34 UTC

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

> Thanks for the feedback !
> 
> > Very strange. I get
> Can you share the brand model of the microSD cards that you are using? Just for reference.
> 
> > bob prohaska
> 
> 
> > 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?
> 
> > ===
> > Mark Millard
> 
> This is what I get:
> 
> root@generic:~ # strings /boot/msdos/u-boot.bin | grep "U-Boot 2"
> U-Boot 2020.10 (Apr 09 2021 - 03:55:54 +0000)
> 
> 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)
> 
> 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
> 
> ```
> arm64# dmesg | grep sdmmc | grep MHz
> [     2.009317] sdmmc1: 4-bit width, 50.000 MHz
> ```

===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)