Re: Can not build kernel on 1GB VM *Solved*

From: Andriy Gapon <>
Date: Tue, 19 Apr 2022 07:05:49 UTC
On 2022-04-18 20:33, Michael Wayne wrote:
> On Fri, Apr 15, 2022 at 01:49:53PM -0400, Michael Wayne wrote:
>> I have a VM with 1GB RAM running FreeBSD 12.1-RELEASE-p3
>> I'm trying to upgrade the machine to 12.3 and having swap failures.
> I tried a number of things, all of which failed.
> Since the offending line is:
>>     ctfmerge -L VERSION -g -o kernel.full ...
> I went digging through makefiles and found:
>     MK_CTF=no
> Adding this to the command line permitted the build to complete and
> the machine is now running on the new kernel. Hopefully this helps
> others. I'm still not sure why the kernel refused to use swap but
> this is a very easy to duplicate issue.

I think that the canonical way of achieving this is to remove or negate
   makeoptions     WITH_CTF=1
in the kernel configuration.

Andriy Gapon