http://go7cnxivpns4x2trczyaabxwnrz7bwlxjiverkc32o4mjd5npjukpqid.onion/blog/2020-12-03-rescuing-n900.html
On
talk.maemo.org U-Boot "homepage" I found a command to do required conversion. So I uploaded the converted kernel image, updated the boot script, booted the
phone and it still didn't work. This time the correct kernel was booting, but it
stopped at: Kernel panic - not syncing: VFS:
Unable to mount root fs on unknown-block(1,0) Despite many web searches I was clueless.