Installing `linux66` kernel installs `linux66-rt-headers` instead of `linux66-headers`

[BG405]

This post by Teo may be of help.

However: Do not blindly merge the /etc/passwd.pacnew one!

Pay particular attention to this bit:

@Teo

And compare very carefully the 2 files before making changes and ask first if unsure.

If this doesn’t fix things, I guess you could try installing the correct headers manually.