Re: need your advice before new Raspberry Pi purchase

El 21/4/24 a las 20:33, Justin Parrott escribió:
> what do you use it for?

Lighttpd Web server, home minidlna film server.

> 
> On Sat, Apr 20, 2024 at 2:24 PM Ramiro Aceves <[email protected] 
> <mailto:[email protected]>> wrote:
> 
>     Hello,
> 
>     I am thinking about buying a more powerful Raspberry Pi than my actual
>     Raspberry Pi ZeroW. I like very much how NetBSD operating system is
>     working although I was a bit dissapointed with WIFI driver for the
>     builtin WIFI device, I feel that I can control the OS and it is the
>     OS I
>     was looking for, simple and straightforward without bells and whistles.
> 
>     In general NetBSD works fine in the Pi once you get used to it,
>     everything makes sense soon, you fell confortable and why not to say, I
>     am in a new world after many years using Linux and needed new
>     sensations. On the Zero W WIFI bwfm driver did not work well and
>     overcome that buying a USB WIFI dongle with RTL 8188EU chip that works
>     almost ok (with no channel switching  in the router). Now I am going to
>     use only ethernet network connection so WIFI will not be a problem.
> 
> 
>     I have been reading
>     https://wiki.netbsd.org/ports/evbarm/raspberry_pi/
>     <https://wiki.netbsd.org/ports/evbarm/raspberry_pi/>
>     but information is a bit confusing.
> 
>     "As of early 2024, NetBSD does not support the Raspberry Pi 5."
> 
>     Reading that I inmediatly discarded the Raspberry Pi 5 choice. Being
>     realistic I think It does not work in NetBSD 10 now and I estimate it
>     will not work well for perhaps some years. Life is short, I cannot wait
>     and so I think RaspberryPi 4 should be my buying target.
> 
> 
>     "NetBSD 10"
> 
>           "RPI4 general support (but there are issues)"
> 
>     Seems explained below.
> 
> 
>           "RPI4 ethernet (Broadcom GENETv5) (but the man page for
>     genet(4) is
>     missing)"
> 
>     Can I be sure that ethernet will work fine and reliable? Network speed?
> 
> 
>           "builtin bluetooth on RPI3 (RPI0W? RPI4?)"
> 
>     Does bluetooth work on the Pi4?
> 
> 
>           "builtin WiFi on RPI0W, RPI3 and RPI4 - bwfm(4)"
> 
>     Does WIFI bwfm  driver work as badly as in the ZeroW? Not relevant for
>     my future use of the Pi 4 cause I will use it through ethernet but that
>     will be a bonus, just curious.
> 
> 
>           "RPI4 xhci does not work with a straight netbsd-10 install"
> 
>     I seems that below is the explanation.
> 
>           "RPI4 hardware rng does not work with a straight netbsd-10
>     install"
> 
>     I seems that below is the explanation.
> 
> 
>     The following chapter is very confusing for me:
> 
> 
>     "Issues and Workarounds"
>     "RPI4 xhci"
> 
>     "With the netbsd-10 arm64.img on a RPI4 (most of them), the pci driver
>     is missing and therefore xhci will not attach, so the USB ports will
>     not
>     work. One workaround is to switch to UEFI, but that leads to a 3GB
>     memory limit and needing a monitor. Another is to add kernel config.
>     One
>     can also add the hardware rng. Adding the following to GENERIC64.local
>     results in both working; you likely also need a dtb that includes the
>     RNG. \todo Explain why this isn't in GENERIC64 or link to a PR.
> 
>     GENERIC64
> 
>     bcm2838pcie* at fdt?                    # STB PCIe host controller
>     bcm2838rng* at fdt?                     # RPI4 RNG
> 
>     There is some need to load firmware for the xhci driver, but apparently
>     that works, once the above is added"
> 
> 
>     Does it mean that using  "traditional booting" you end with non working
>     USB ports? Will you even end without keyboard? I mainly will use the Pi
>     headless via ssh but need the keyboard in the first configuring steps.
> 
>     After switching to UEFI you will make USB ports work but 8 GB
>     RapberryPi
>     will be reduced to 3 GB only with no workaround? What do "needing a
>     monitor" mean? Why?
>     If the fix for USB and rng is recompiling the KERNEL, why is not
>     enabled
>     by default in the standard image?
> 
> 
>     "RPI4 UEFI 3 GB"
> 
>     "To work around bugs in hardware (that may or may not be fixed in
>     recent
>     RPI4) and because not all OSes have workarounds, the UEFI firmware's
>     default is to limit RAM to 3GB. NetBSD 10 can be used with more, so
>     this
>     needs to be configured in UEFI."
> 
>     That should be explained more in detail for newcomers.
> 
>     Last questions:
> 
>     Do GPIO pins work ok?
> 
>     Does I2C work? That is important for me cause I plan to read some
>     sensors.
> 
>     Does HDMI output work or should I use serial console? traditional boot
>     vs UEFI difference in this matter?
> 
>     What is your final opinion about NetBSD in that board? Are there better
>     supported boards perhaps?
> 
>     Many thanks and sorry for so many questions, just I want to be sure
>     that
>     I am going to make a good and useful purchase. If I purchase a Rpi 4
>     instead of Rpi 5 to have NetBSD support and It does not work ok, it
>     will
>     be a absolute nonsense.
> 
>     I appreciate your work very much and your comments and advice will be
>     welcome and very valuable for me.
> 
>     Thanks in advance.
> 
> 
>     Ramiro.
> 
> 
> 
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