I've updated 2021-07 NetBSD images.

2021年07月28日-netbsd-raspi-earmv6hf.img: for RPI0-3
http://mail-index.netbsd.org/port-arm/2 ... 07381.html

2021年07月27日-netbsd-raspi-aarch64.img: for RPI4
http://mail-index.netbsd.org/port-arm/2 ... 07380.html


Update:
- NetBSD 9.99.87 rpi.img from nyftp.
- gcc10
- ruby27

- pre-installed packages:
https://github.com/ebijun/NetBSD/blob/m ... rc/pkginfo

Overview:
http://wiki.NetBSD.org/ports/evbarm/raspberry_pi/

dmesg:
https://github.com/ebijun/NetBSD/blob/m ... rmv6hf/RPI
https://github.com/ebijun/NetBSD/blob/m ... mv6hf/RPI0
https://github.com/ebijun/NetBSD/blob/m ... v6hf/RPI0W
https://github.com/ebijun/NetBSD/blob/m ... mv6hf/RPI2
https://github.com/ebijun/NetBSD/blob/m ... f/RPI2-1.2
https://github.com/ebijun/NetBSD/blob/m ... mv6hf/RPI3
https://github.com/ebijun/NetBSD/blob/m ... v6hf/RPI3A+
https://github.com/ebijun/NetBSD/blob/m ... v6hf/RPI3B+

Security:
- security.pax.mprotect.enabled
http://netbsd.org/gallery/presentations ... NetBSD.pdf
man security
man paxctl
sysctl -a |grep pax
If application failed, such as omxplayer.
try to test
sysctl -w security.pax.mprotect.enabled=0

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Comments are welcome on port-arm netbsd mailinglist or
twitter @ebijun