Subject: Re: /dev/vga and /dev/mem XFree problems with UVM
To: None <tls@rek.tjls.com>
From: matthew green <mrg@eterna.com.au>
List: tech-kern
Date: 02/10/1998 11:34:44 
      284 XF86_SVGA CALL  open(0xaf26c,0x2,0xf9000000)
      284 XF86_SVGA NAMI  "/dev/mem"
      284 XF86_SVGA RET   open 4
      284 XF86_SVGA CALL  mmap(0,0x1000,0x3,0,0x4,0,0xa0000,0)
      284 XF86_SVGA RET   mmap -1 errno 22 Invalid argument


ugh.  EINVAL is generated by a whole lot of things in the mmap code path..