Booting from a Linux installation disk with a newer graphics card might trigger an "Unknown Chipset" error from nouveau.
Add nomodeset nouveau.modeset=0 to the kernel options to fix it.
In UEFI Boot Mode it might also hang at "Triggering uevents", which is the same issue without the error message.

@MrMattn try to boot up from 6.6 (LTS) linux kernel