Re: need your advice before new Raspberry Pi purchase

El 21/4/24 a las 2:24, Michael escribió:
> Hello,
> 
> On Sat, 20 Apr 2024 11:46:51 +0200
> Ramiro Aceves <[email protected]> wrote:
> 
>> "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.
> 
> Not sure what's missing - there is now at least beta UEFI firmware for the Pi5.
> 
>> "NetBSD 10"
>>
>>       "RPI4 general support (but there are issues)"
> 
> I've been using an 8GB Pi4 and a Pi400 with UEFI for a while now.
> 
>>       "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?
> 
> Works fine on mine, good enough for NetBSD and pkgsrc builds with
> sources over NFS.
> 
>>       "builtin bluetooth on RPI3 (RPI0W? RPI4?)"
>>
>> Does bluetooth work on the Pi4?
> 
> Never tried.
> 
>>       "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.
> 
> IIRC I got it to connect to my router but never really stress tested
> it. I prefer wired ethernet wherever practical.
> 
>>       "RPI4 xhci does not work with a straight netbsd-10 install"
>>
>> I seems that below is the explanation.
> 
> Both my Pi4* boot from USB3 disks connected to USB3 ports.
> 
>> 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?
> 
> The 3GB limit is on by default for some old linux kernels that don't
> have the DMA workaround. It takes about 10 seconds to get into the UEFI
> setup menu and turn it off.
> 
> [     1.000000] NetBSD 10.99.7 (GENERIC64) #0: Thu Aug 24 06:18:05 EDT 2023
> [     1.000000]         ml@paddy:/disk/build/obj_earm64/sys/arch/evbarm/compile/GENERIC64
> [     1.000000] total memory = 8029 MB
> [     1.000000] avail memory = 7740 MB
> [     1.000000] entropy: ready
> [     1.000000] ptyfs_hashinit: ffff0001feef5b00
> [     1.000000] timecounter: Timecounters tick every 10.000 msec
> [     1.000000] armfdt0 (root)
> [     1.000000] armfdt0: using EFI runtime services for RTC
> [     1.000000] simplebus0 at armfdt0: Raspberry Pi Foundation Raspberry Pi 4 Model B
> [     1.000000] simplebus1 at simplebus0
> [     1.000000] acpifdt0 at simplebus0
> [     1.000000] acpifdt0: SMBIOS rev. 3.3.0 @ 0x371d0000
> ...
> 
>> Does HDMI output work or should I use serial console? traditional boot
>> vs UEFI difference in this matter?
> 
> I'm typing this on a Pi400 with a monitor hooked to it. My Pi400 even
> came with a micro-HDMI to regular HDMI cable.
> 
> have fun
> Michael

Thanks so much Michael for the details about de RPi4 working in NetBSD. 
Nice to see that UEFI is the way to go. Nice also to see that 3 GB limit 
can be eliminated.

I have also received other people direct positive feedback. Chances to 
buy it are increasing.

Thanks.
Ramiro.