<snip>
[  147.500901] dracut-initqueue[354]: Warning: dracut-initqueue timeout - starting timeout scripts
  216.366273] dracut-initqueue[354]: Warning: Could not boot.
[  217.381286] dracut-initqueue[354]: Warning: /dev/disk/by-uuid/b7768fcb-885b-4240-89ec-ac336e8313f3 does not exist
         Starting Dracut Emergency Shell...
Warning: /dev/disk/by-uuid/b7768fcb-885b-4240-89ec-ac336e8313f3 does not exist

Generating "/run/initramfs/rdsosreport.txt"


Entering emergency mode. Exit the shell to continue.
Type "journalctl" to view system logs.
You might want to save "/run/initramfs/rdsosreport.txt" to a USB stick or /boot
after mounting them and attach it to a bug report.


dracut:/# ls -l /dev/disk/by-uuid/
ls: cannot access /dev/disk/by-uuid/: No such file or directory
dracut:/#


Andreas, that is exactly why I said what I said at the end of this mail https://lists.centos.org/pipermail/arm-dev/2018-August/003399.html.

You need to create that file and then recreate initramfs for 4.17 or remove and reinstall the kernel.


HTH.

Pablo.