Comment # 4 on bug 1200461 from Thomas Blume

(In reply to Takashi Iwai from comment #3)
> Hm, then try to with verbose option of dracut to see whether you can see
> more information at the hang up.
> 
> Reassigned to dracut maintainers for more helps.

Is there any chance to attach a serial console to your machine and capture the
kernel messages there?

Otherwise, please use the dracut command visible in your screen shot for
creating the initrd and add the parameter -v to the command.