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

Thanks to @evadot and @f451 on Discord, seems there is the issue:

Raspberry Pi 3B+

```
root@generic:~ # dmesg | grep -i mmcsd
mmcsd0: 31GB <SDHC SPCC 2.0 SN 1072013D MFG 08/2017 by 49 SP> at mmc0
0.4MHz/4bit/65535-block
```

Raspberry Pi 4 with a different card:
```
mmcsd0: 31GB <SDHC 00000 0.0 SN 0000509F MFG 09/2019 by 159 TI> at mmc1
0.4MHz/4bit/65535-block
```

So no matter the pi or the card, the microsd clock is at 0.4MHz while in
raspios same cards gets 50 MHz apparently

Seems that explain the behaviour... So is this a FreeBSD bug? or a card
issue even if I've tested with different cards?

PS: A brand new sandisk ultra is on the way so I can test with it.

El lun, 22 nov 2021 a las 21:42, Juan David Hurtado G (<
jdhurtado@orbiware.com>) escribió:

> Hi, I'm trying to use the OS on a Raspberry pi 3 B+
>
> Boot is pretty slow. It hangs on `ue0: Ethernet addresss: ...` for some
> minutes before showing the `login:` to enter the username. When I enter it,
> it takes a few seconds to ask for the password.
>
> While doing `freebsd-update fetch install` it took a plenty of minutes, so
> I canceled the process and then did `freebsd-update fetch` and then
> `freebsd-update install` to see what was going on.
>
> Found that the process was at `wdraid` state. Doing a simple search, I
> found about `vfs.hirunningspace` so I tweaked it to 1Mb and then to 2Mb. It
> seems to help, but not by much. Look at this:
>
> freebsd@generic:~ % time freebsd-version -kru
> 13.0-RELEASE-p4
> 13.0-RELEASE-p4
> 13.0-RELEASE-p5
> 0.365u 0.045s 0:41.25 0.9%    20+177k 14+0io 0pf+0w
>
> :(
>
> What could I be missing? Maybe I need to tweak partitions and use some
> kind of configuration/optimization? how? I do appreciate any guidance you
> can provide in order to troubleshoot this.
>
> PS: I don't think it is the microsd card since it runs raspios fine.
>
> PS2: The red led is turned off at the boot process so no way of knowing
> visually if the pi is running. Weird is that the led turned on again after
> `shutdown -p now` hehe.
>
> --
> Juan David Hurtado G
>


-- 
Juan David Hurtado G
(+57) 319 252 3773
www.orbiware.com