Problems with UsePrivilegeSeparation (was: port fwd as user != root?

[Kevin Steves]

On Tue, May 28, 2002 at 11:55:26AM +0800, Mathias Koerber wrote:
> mmap(0, 65536, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_ANONYMOUS, -1, 0) = -1
> EINVAL (Invalid argument)
> 
> The kernel is a somewhat older Linux 2.2.13.

i don't know.
what can cause EINVAL from that mmap() call?