>>x still needs to write to /dev/mem in order to work, and that's still
>>not allowed even for root at securelevels higher than 0.
>
>I have an Athlon box with an ATI AGP card and XF86 4.1.0. Even with
>the aperture driver, that box still needs INSECURE in order to run
>X for a regular user. It's running NetBSD 1.5.4_ALPHA.

what do lsof or fstat or pmap (copy it from a -current source tree)
tell you x is using?  you should see /dev/xf86, and not /dev/mem.

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