Subject: Re: problem starting X: Could not mmap /dev/vga
To: John F. Woods <>
From: Frederick Bruckman <>
List: current-users
Date: 08/19/2002 08:47:01
On Sun, 18 Aug 2002, John F. Woods wrote:

> When I try starting up X on my 1.6E system, I get the following failure:
> Fatal server error:
> xf86MapVidMem: Could not mmap /dev/vga (Invalid argument)
> I got that message when trying to reuse my old XF86Config file, as well
> as when trying to create a new one with X -configure.
> Sure enough, I don't have a /dev/vga, and /dev/MAKEDEV does not know how
> to create one.  So, what do I need to do to get this working?
> I have wscons enabled in my kernel config, and the relevant dmesg lines
> at boot time are:

You need "options INSECURE", or else use the aperture driver:

There's a package for the aperture driver that fixes a bug regarding
k6 mtrr's. On 1.6.E, it's better to let the kernel set mtrr's instead
of the aperture driver anyhow (so use "options INSECURE").