top: sysctl(vfs.bufspace...) expected 8, got 4

[Ian Lepore]

On Thu, 2018-02-22 at 18:41 +0100, O. Hartmann wrote:
> Am Wed, 21 Feb 2018 20:05:24 +0100
> "O. Hartmann" <o.hartmann at walstatt.org> schrieb:
> 
> > 
> > On CURRENT ( 12.0-CURRENT FreeBSD 12.0-CURRENT #196 r329679: Tue
> > Feb 20 23:06:15 CET
> > 2018 amd64) I'm honored by this nice bug when calling top:
> > 
> > top: sysctl(vfs.bufspace...) expected 8, got 4
> > 
> > 
> > Regards,
> > 
> > oh
> I still can not use "top", it quits with the error mentioned above.
> Whats is wrong with
> my setup?
> 

It seems like the two big candidates must be mismatch between kernel
and userland, or maybe 32/64-bit mismatch between the kernel and top.

What's the output of

  uname -pmUK
  file `which top`
  ldd `which top`

-- Ian