Minimal reproducer:
- Pi 5
- 512GB Pi SSD (Biwin variant)
- M.2 HAT+
- Default OS install (on SD)
- SSD ext4 formatted, mounted at /mnt
sudo dd if=/dev/random iflag=fullblock of=/mnt/randomFileName bs=1024 count=10M conv=fsync
for i in $(seq 1 5); do sha256sum /mnt/randomFileName; done
On 6.12, this delivers the same result each time. On 6.18, it never matches what it was on 6.12.
Minimal reproducer:
On 6.12, this delivers the same result each time. On 6.18, it never matches what it was on 6.12.