Extroot on Turris Omnia

Hi, I have a Turris Omnia with 500GB SSD internal drive and I want to configure extroot. I'm on master, because the patch for the SFP module has finally been added. Everything works fine except the extroot configuration. Following the guide on the official project page (https://openwrt.org/docs/guide-user/additional-software/extroot_configuration) I get as a result that the SSD disk is not mounted at startup and everything remains as before the configuration. Previously on a modified build, called Omnia Next Generation, based on master and supporting only ext4 filesystem, without overlay, I could easily mount the SSD disk on / and use it as main storage. What's wrong now?

Post the diagnostics from the troubleshooting section of the guide to pastebin.com.

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Thanks a lot. The guide solved my issue.

Okay, found something. I have read the bootlog preinit and it tells me there is no valid fstab file (but actually there is): https://termbin.com/k0ng.
This is my / etc / config / fstab file: https://termbin.com/1498u
In depth I read about a bug that does not allow the loading of the file in /etc/config if the overlay is not on mtd and in the case of Turris Omnia and on mmcblk0, that is, on eMMC. So I should re-enter this case. I saw there is a patch https://bugs.openwrt.org/index.php?do=details&task_id=2231, but I don't want to compile all over again.
I hope I get resolved soon in the master.

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For now I will continue to use the great Omnia Next Generation build @kkudielka

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