Comment # 18 on bug 1217344 from Tommaso Fonda

(In reply to Takashi Iwai from comment #17)
> Yeah, even if you can't chase at the end, it'd be helpful to narrow down the
> regression range.
> 
> I'm interested in whether you can boot your local built 6.5.x kernel
> properly.  It might be something else, such as grub.
> 
> In below you can find some info to reduce the kernel build time:
>   https://docs.kernel.org/admin-guide/quickly-build-trimmed-linux.html
> This will help especially for git bisection.

I've been building my custom kernels for a long time, and my custom 6.5.x boots
fine (just like TW's 6.5.x). I'll keep you updated.