[gentoo-user] Re: Upgrading kernel with gcc6... use mrproper and not clean

[Daniel Frey]

On 12/18/17 18:46, Daniel Frey wrote:
> I just thought I'd send this out in case others aren't aware...
>
> I've updated some seven machines now to the new profile and gcc6. Out of
> the seven, four of them had problems rebuilding the kernel which led to
> an outright hang during booting (black screen, no kernel panic, just hang.)
>
> I found out `make clean` is not enough, I had to backup my .config, use
> `make mrproper`, restore the .config and run `make silentoldconfig`
> before compiling the kernel and modules.
>
> I am thinking `make clean` didn't remove everything made during the
> compile process and caused some strange race condition somewhere while
> booting (completely guessing here.)
>
> I went back to the three that seemed to be working fine and did the
> mrproper process on them, because if something happens down the line I
> probably won't remember what caused the boot issue.
>
> Dan

Sigh... from the kernel Makefile:

# clean - Delete most, but leave enough to build external modules

The computers in question that were hanging were using external modules 
such as nvidia, open-vm-tools modules, vmware modules, etc...

*smacks head against wall*

I guess I answered my own question now, and I'll bet that everyone here 
knew this already!

Dan