Problem with nvidia-driver and "X" after upgrade

[Test Rat]

Chris Rees <utisoft at gmail.com> writes:

>> >> Carmel <carmel_ny at hotmail.com> writes:
>> >> > So, after rebuild World/Kernel and installing same and then
>> >> > rebuilding the nvidia-driver, all is well again.
>> >> >
>> >> > Now, in my not so humble opinion, there should be some sort of
>> >> > warning in the driver dialog, or at least in the port description
>> >> > that warns of this behavior. It could have save3d me several hours
>> >> > of needless searching. Hours that I will never get back. :)
[...]
> Really, the proper fix would be to make kldload give a more descriptive
> error, but IIRC this is much easier said than done...

There are a few ports that use SRC_BASE and are *not* kernel modules, e.g.

  devel/linux_kdump
  devel/linuxthreads
  sysutils/lsof

> I don't think doing more clever stuff in the port is the solution; It's not
> specific to that port.

What about bsd.port.mk bailing out early if kernel sources are for
different version? It was in the patch you quoted but probably have not read.