Comment # 15 on bug 1219522 from Takashi Iwai

Oh that's an important point that sometimes boot failed in the past.

First off: don't use recovery mode.  It brings nothing but confusion.  It's
rather for certain purposes, e.g. where the installation failed or so, but not
for debugging or recovering like this case.  It lead to other problems.  So,
keep away from it.

So, test only with the normal boot, but with extra options or removal of
options.  Do I understand correctly that the very same symptom appears with
nomodeset option and the removal of "silence" and "splash=*" options on the
normal boot?  That is, even though the caps lock flushing, you see no kernel
messages but the screen got frozen?  Did you wait long enough (e.g. for a
minute) after that?

The second point to be checked is why dracut invocation for 6.8-rc kernel
fails.
Does it fail in that way only with 6.8-rc kernels?  Or did you see the similar
failures with current or older versions?