Comment # 2 on bug 1205261 from Antonio Feijoo

(In reply to Felix Miata from comment #0)
> Created attachment 862770 [details]
> rdsosreport.txt from TW boot attempt
> 
> Original Summary:
> dracut/hooks/emergency...ESP's FAT serial number in initrd halts boot in
> dracut emergency shell after rsync migration to new GPT system disk
> 
> Initial state:
> 1-configured booting & mounting are via LABELs (making UUIDs
> administratively unimportant...

Have you overridden dracut's default persistent policy "by-uuid"
(/etc/dracut.conf.d/10-persistent_policy.conf) to "by-label"? I recommend you
to create a new conf snippet with a higher number, because this will be
overwritten after a dracut update.