<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.
Cheers,
Ivan