Regarding: Incorrect DPI calculation
Email: [EMAIL PROTECTED]
------------------------------------------------------------
XFree86 Version: XFree86 Version 4.2.1 (Debian 4.2.1-1 20021004194022 
[EMAIL PROTECTED]) / X Window System

OS: Debian unstable/sid as of today

Area: Xserver

Server: XFree86 (The XFree86 4.x server)

Video Card:

VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 03)


Description:


XFree86 Version 4.2.1 (Debian 4.2.1-1 20021004194022 [EMAIL PROTECTED]) / X Window 
System
(protocol Version 11, revision 0, vendor release 6600)
Release Date: 3 September 2002
        If the server is older than 6-12 months, or if your card is
        newer than the above date, look for a newer version before
        reporting problems.  (See http://www.XFree86.Org/)
Build Operating System: Linux 2.4.18 i686 [ELF] 
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
         (++) from command line, (!!) notice, (II) informational,
         (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/XFree86.0.log", Time: Sat Jan 11 01:07:31 2003
(==) Using config file: "/etc/X11/XF86Config-4"
(==) ServerLayout "Default Layout"
(**) |-->Screen "Screen 1" (0)
(**) |   |-->Monitor "My Monitor"
(**) |   |-->Device "Matrox Millennium G400"
(**) |-->Input Device "Generic Keyboard"
(**) Option "XkbRules" "xfree86"
(**) XKB: rules: "xfree86"
(**) Option "XkbModel" "pc104"
(**) XKB: model: "pc104"
(**) Option "XkbLayout" "dvorak"
(**) XKB: layout: "dvorak"
(**) Option "XkbOptions" "group:switch,ctrl:swapcaps"
(**) XKB: options: "group:switch,ctrl:swapcaps"
(==) Keyboard: CustomKeycode disabled
(**) |-->Input Device "Configured Mouse"
(WW) The directory "/usr/lib/X11/fonts/local/" does not exist.
        Entry deleted from font path.
(WW) The directory "/usr/lib/X11/fonts/cyrillic" does not exist.
        Entry deleted from font path.
(WW) `fonts.dir' not found (or not valid) in "/usr/lib/X11/fonts/100dpi/".
        Entry deleted from font path.
        (Run 'mkfontdir' on "/usr/lib/X11/fonts/100dpi/").
(WW) `fonts.dir' not found (or not valid) in "/usr/lib/X11/fonts/100dpi".
        Entry deleted from font path.
        (Run 'mkfontdir' on "/usr/lib/X11/fonts/100dpi").
(WW) `fonts.dir' not found (or not valid) in 
"/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID/".
        Entry deleted from font path.
        (Run 'mkfontdir' on "/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID/").
(**) FontPath set to 
"/usr/lib/X11/fonts/misc,/usr/lib/X11/fonts/75dpi/:unscaled,/usr/lib/X11/fonts/Type1,/usr/lib/X11/fonts/Speedo,/usr/lib/X11/fonts/75dpi,/usr/lib/X11/fonts/TrueType/,/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType/,/usr/local/share/fonts/truetype/"
(==) RgbPath set to "/usr/X11R6/lib/X11/rgb"
(==) ModulePath set to "/usr/X11R6/lib/modules"
(++) using VT number 7

(WW) Open APM failed (/dev/apm_bios) (No such device)
(II) Module ABI versions:
        XFree86 ANSI C Emulation: 0.1
        XFree86 Video Driver: 0.5
        XFree86 XInput driver : 0.3
        XFree86 Server Extension : 0.1
        XFree86 Font Renderer : 0.3
(II) Loader running on linux
(II) LoadModule: "bitmap"
(II) Loading /usr/X11R6/lib/modules/fonts/libbitmap.a
(II) Module bitmap: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        Module class: XFree86 Font Renderer
        ABI class: XFree86 Font Renderer, version 0.3
(II) Loading font Bitmap
(II) LoadModule: "pcidata"
(II) Loading /usr/X11R6/lib/modules/libpcidata.a
(II) Module pcidata: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 0.1.0
        ABI class: XFree86 Video Driver, version 0.5
(II) PCI: Probing config type using method 1
(II) PCI: Config type is 1
(II) PCI: stages = 0x03, oldVal1 = 0x80010040, mode1Res1 = 0x80000000
(II) PCI: PCI scan (all values are in hex)
(II) PCI: 00:00:0: chip 1106,3099 card 1106,3099 rev 00 class 06,00,00 hdr 00
(II) PCI: 00:01:0: chip 1106,b099 card 0000,0000 rev 00 class 06,04,00 hdr 01
(II) PCI: 00:0c:0: chip 10b7,7646 card 10b7,7646 rev 30 class 02,00,00 hdr 00
(II) PCI: 00:0d:0: chip 12b9,1008 card 12b9,00aa rev 01 class 07,00,02 hdr 00
(II) PCI: 00:11:0: chip 1106,3147 card 1106,3147 rev 00 class 06,01,00 hdr 80
(II) PCI: 00:11:1: chip 1106,0571 card 1106,0571 rev 06 class 01,01,8a hdr 00
(II) PCI: 00:11:2: chip 1106,3038 card 0925,1234 rev 23 class 0c,03,00 hdr 00
(II) PCI: 00:11:3: chip 1106,3038 card 0925,1234 rev 23 class 0c,03,00 hdr 00
(II) PCI: 00:11:5: chip 1106,3059 card 1458,a002 rev 40 class 04,01,00 hdr 00
(II) PCI: 00:14:0: chip 1106,3038 card 0925,1234 rev 50 class 0c,03,00 hdr 80
(II) PCI: 00:14:1: chip 1106,3038 card 0925,1234 rev 50 class 0c,03,00 hdr 80
(II) PCI: 00:14:2: chip 1106,3104 card 0925,1234 rev 51 class 0c,03,20 hdr 80
(II) PCI: 01:00:0: chip 102b,0525 card 102b,19f8 rev 03 class 03,00,00 hdr 00
(II) PCI: End of PCI scan
(II) LoadModule: "scanpci"
(II) Loading /usr/X11R6/lib/modules/libscanpci.a
(II) Module scanpci: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 0.1.0
        ABI class: XFree86 Video Driver, version 0.5
(II) UnloadModule: "scanpci"
(II) Unloading /usr/X11R6/lib/modules/libscanpci.a
(II) Host-to-PCI bridge:
(II) PCI-to-ISA bridge:
(II) PCI-to-PCI bridge:
(II) Bus 0: bridge is at (0:0:0), (-1,0,0), BCTRL: 0x08 (VGA_EN is set)
(II) Bus 0 I/O range:
        [0] -1 0        0x00000000 - 0x0000ffff (0x10000) IX[B]
(II) Bus 0 non-prefetchable memory range:
        [0] -1 0        0x00000000 - 0xffffffff (0x0) MX[B]
(II) Bus 0 prefetchable memory range:
        [0] -1 0        0x00000000 - 0xffffffff (0x0) MX[B]
(II) Bus 1: bridge is at (0:1:0), (0,1,1), BCTRL: 0x0c (VGA_EN is set)
(II) Bus 1 I/O range:
(II) Bus 1 non-prefetchable memory range:
        [0] -1 0        0xdee00000 - 0xdfefffff (0x1100000) MX[B]
(II) Bus 1 prefetchable memory range:
        [0] -1 0        0xdac00000 - 0xdecfffff (0x4100000) MX[B]
(II) Bus -1: bridge is at (0:17:0), (0,-1,0), BCTRL: 0x08 (VGA_EN is set)
(II) Bus -1 I/O range:
(II) Bus -1 non-prefetchable memory range:
(II) Bus -1 prefetchable memory range:
(--) PCI:*(1:0:0) Matrox MGA G400 AGP rev 3, Mem @ 0xdc000000/25, 0xdfefc000/14, 
0xdf000000/23, BIOS @ 0xdfee0000/16
(II) Addressable bus resource ranges are
        [0] -1 0        0x00000000 - 0xffffffff (0x0) MX[B]
        [1] -1 0        0x00000000 - 0x0000ffff (0x10000) IX[B]
(II) OS-reported resource ranges:
        [0] -1 0        0xffe00000 - 0xffffffff (0x200000) MX[B](B)
        [1] -1 0        0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
        [2] -1 0        0x000f0000 - 0x000fffff (0x10000) MX[B]
        [3] -1 0        0x000c0000 - 0x000effff (0x30000) MX[B]
        [4] -1 0        0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [5] -1 0        0x0000ffff - 0x0000ffff (0x1) IX[B]
        [6] -1 0        0x00000000 - 0x000000ff (0x100) IX[B]
(II) Active PCI resource ranges:
        [0] -1 0        0xdffffe00 - 0xdffffeff (0x100) MX[B]
        [1] -1 0        0xdfffff80 - 0xdfffffff (0x80) MX[B]
        [2] -1 0        0xe0000000 - 0xefffffff (0x10000000) MX[B]
        [3] -1 0        0xdfee0000 - 0xdfeeffff (0x10000) MX[B](B)
        [4] -1 0        0xdf000000 - 0xdf7fffff (0x800000) MX[B](B)
        [5] -1 0        0xdfefc000 - 0xdfefffff (0x4000) MX[B](B)
        [6] -1 0        0xdc000000 - 0xddffffff (0x2000000) MX[B](B)
        [7] -1 0        0x0000d400 - 0x0000d41f (0x20) IX[B]
        [8] -1 0        0x0000d800 - 0x0000d81f (0x20) IX[B]
        [9] -1 0        0x0000dc00 - 0x0000dcff (0x100) IX[B]
        [10] -1 0       0x0000e000 - 0x0000e01f (0x20) IX[B]
        [11] -1 0       0x0000e400 - 0x0000e41f (0x20) IX[B]
        [12] -1 0       0x0000fc00 - 0x0000fc0f (0x10) IX[B]
        [13] -1 0       0x0000e800 - 0x0000e807 (0x8) IX[B]
        [14] -1 0       0x0000ec00 - 0x0000ec7f (0x80) IX[B]
(II) Active PCI resource ranges after removing overlaps:
        [0] -1 0        0xdffffe00 - 0xdffffeff (0x100) MX[B]
        [1] -1 0        0xdfffff80 - 0xdfffffff (0x80) MX[B]
        [2] -1 0        0xe0000000 - 0xefffffff (0x10000000) MX[B]
        [3] -1 0        0xdfee0000 - 0xdfeeffff (0x10000) MX[B](B)
        [4] -1 0        0xdf000000 - 0xdf7fffff (0x800000) MX[B](B)
        [5] -1 0        0xdfefc000 - 0xdfefffff (0x4000) MX[B](B)
        [6] -1 0        0xdc000000 - 0xddffffff (0x2000000) MX[B](B)
        [7] -1 0        0x0000d400 - 0x0000d41f (0x20) IX[B]
        [8] -1 0        0x0000d800 - 0x0000d81f (0x20) IX[B]
        [9] -1 0        0x0000dc00 - 0x0000dcff (0x100) IX[B]
        [10] -1 0       0x0000e000 - 0x0000e01f (0x20) IX[B]
        [11] -1 0       0x0000e400 - 0x0000e41f (0x20) IX[B]
        [12] -1 0       0x0000fc00 - 0x0000fc0f (0x10) IX[B]
        [13] -1 0       0x0000e800 - 0x0000e807 (0x8) IX[B]
        [14] -1 0       0x0000ec00 - 0x0000ec7f (0x80) IX[B]
(II) OS-reported resource ranges after removing overlaps with PCI:
        [0] -1 0        0xffe00000 - 0xffffffff (0x200000) MX[B](B)
        [1] -1 0        0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
        [2] -1 0        0x000f0000 - 0x000fffff (0x10000) MX[B]
        [3] -1 0        0x000c0000 - 0x000effff (0x30000) MX[B]
        [4] -1 0        0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [5] -1 0        0x0000ffff - 0x0000ffff (0x1) IX[B]
        [6] -1 0        0x00000000 - 0x000000ff (0x100) IX[B]
(II) All system resource ranges:
        [0] -1 0        0xffe00000 - 0xffffffff (0x200000) MX[B](B)
        [1] -1 0        0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
        [2] -1 0        0x000f0000 - 0x000fffff (0x10000) MX[B]
        [3] -1 0        0x000c0000 - 0x000effff (0x30000) MX[B]
        [4] -1 0        0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [5] -1 0        0xdffffe00 - 0xdffffeff (0x100) MX[B]
        [6] -1 0        0xdfffff80 - 0xdfffffff (0x80) MX[B]
        [7] -1 0        0xe0000000 - 0xefffffff (0x10000000) MX[B]
        [8] -1 0        0xdfee0000 - 0xdfeeffff (0x10000) MX[B](B)
        [9] -1 0        0xdf000000 - 0xdf7fffff (0x800000) MX[B](B)
        [10] -1 0       0xdfefc000 - 0xdfefffff (0x4000) MX[B](B)
        [11] -1 0       0xdc000000 - 0xddffffff (0x2000000) MX[B](B)
        [12] -1 0       0x0000ffff - 0x0000ffff (0x1) IX[B]
        [13] -1 0       0x00000000 - 0x000000ff (0x100) IX[B]
        [14] -1 0       0x0000d400 - 0x0000d41f (0x20) IX[B]
        [15] -1 0       0x0000d800 - 0x0000d81f (0x20) IX[B]
        [16] -1 0       0x0000dc00 - 0x0000dcff (0x100) IX[B]
        [17] -1 0       0x0000e000 - 0x0000e01f (0x20) IX[B]
        [18] -1 0       0x0000e400 - 0x0000e41f (0x20) IX[B]
        [19] -1 0       0x0000fc00 - 0x0000fc0f (0x10) IX[B]
        [20] -1 0       0x0000e800 - 0x0000e807 (0x8) IX[B]
        [21] -1 0       0x0000ec00 - 0x0000ec7f (0x80) IX[B]
(II) LoadModule: "GLcore"
(II) Loading /usr/X11R6/lib/modules/extensions/libGLcore.a
(II) Module GLcore: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Server Extension, version 0.1
(II) LoadModule: "bitmap"
(II) Reloading /usr/X11R6/lib/modules/fonts/libbitmap.a
(II) Loading font Bitmap
(II) LoadModule: "dbe"
(II) Loading /usr/X11R6/lib/modules/extensions/libdbe.a
(II) Module dbe: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        Module class: XFree86 Server Extension
        ABI class: XFree86 Server Extension, version 0.1
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "ddc"
(II) Loading /usr/X11R6/lib/modules/libddc.a
(II) Module ddc: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Video Driver, version 0.5
(II) LoadModule: "dri"
(II) Loading /usr/X11R6/lib/modules/extensions/libdri.a
(II) Module dri: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Server Extension, version 0.1
(II) Loading sub module "drm"
(II) LoadModule: "drm"
(II) Loading /usr/X11R6/lib/modules/linux/libdrm.a
(II) Module drm: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Server Extension, version 0.1
(II) Loading extension XFree86-DRI
(II) LoadModule: "extmod"
(II) Loading /usr/X11R6/lib/modules/extensions/libextmod.a
(II) Module extmod: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        Module class: XFree86 Server Extension
        ABI class: XFree86 Server Extension, version 0.1
(II) Loading extension SHAPE
(II) Loading extension MIT-SUNDRY-NONSTANDARD
(II) Loading extension BIG-REQUESTS
(II) Loading extension SYNC
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XC-MISC
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-Misc
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension FontCache
(II) Loading extension TOG-CUP
(II) Loading extension Extended-Visual-Information
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) LoadModule: "freetype"
(II) Loading /usr/X11R6/lib/modules/fonts/libfreetype.a
(II) Module freetype: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.1.10
        Module class: XFree86 Font Renderer
        ABI class: XFree86 Font Renderer, version 0.3
(II) Loading font FreeType
(II) LoadModule: "glx"
(II) Loading /usr/X11R6/lib/modules/extensions/libglx.a
(II) Module glx: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Server Extension, version 0.1
(II) Loading sub module "GLcore"
(II) LoadModule: "GLcore"
(II) Reloading /usr/X11R6/lib/modules/extensions/libGLcore.a
(II) Loading extension GLX
(II) LoadModule: "int10"
(II) Loading /usr/X11R6/lib/modules/linux/libint10.a
(II) Module int10: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Video Driver, version 0.5
(II) LoadModule: "record"
(II) Loading /usr/X11R6/lib/modules/extensions/librecord.a
(II) Module record: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.13.0
        Module class: XFree86 Server Extension
        ABI class: XFree86 Server Extension, version 0.1
(II) Loading extension RECORD
(II) LoadModule: "speedo"
(II) Loading /usr/X11R6/lib/modules/fonts/libspeedo.a
(II) Module speedo: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.1
        Module class: XFree86 Font Renderer
        ABI class: XFree86 Font Renderer, version 0.3
(II) Loading font Speedo
(II) LoadModule: "type1"
(II) Loading /usr/X11R6/lib/modules/fonts/libtype1.a
(II) Module type1: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.1
        Module class: XFree86 Font Renderer
        ABI class: XFree86 Font Renderer, version 0.3
(II) Loading font Type1
(II) Loading font CID
(II) LoadModule: "vbe"
(II) Loading /usr/X11R6/lib/modules/libvbe.a
(II) Module vbe: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Video Driver, version 0.5
(II) LoadModule: "mga"
(II) Loading /usr/X11R6/lib/modules/drivers/mga_drv.o
(II) Module mga: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.1.0
        Module class: XFree86 Video Driver
        ABI class: XFree86 Video Driver, version 0.5
(II) LoadModule: "mouse"
(II) Loading /usr/X11R6/lib/modules/input/mouse_drv.o
(II) Module mouse: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        Module class: XFree86 XInput Driver
        ABI class: XFree86 XInput driver, version 0.3
(II) MGA: driver for Matrox chipsets: mga2064w, mga1064sg, mga2164w,
        mga2164w AGP, mgag100, mgag100 PCI, mgag200, mgag200 PCI, mgag400,
        mgag550
(II) Primary Device is: PCI 01:00:0
(--) Assigning device section with no busID to primary device
(--) Chipset mgag400 found
(II) resource ranges after xf86ClaimFixedResources() call:
        [0] -1 0        0xffe00000 - 0xffffffff (0x200000) MX[B](B)
        [1] -1 0        0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
        [2] -1 0        0x000f0000 - 0x000fffff (0x10000) MX[B]
        [3] -1 0        0x000c0000 - 0x000effff (0x30000) MX[B]
        [4] -1 0        0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [5] -1 0        0xdffffe00 - 0xdffffeff (0x100) MX[B]
        [6] -1 0        0xdfffff80 - 0xdfffffff (0x80) MX[B]
        [7] -1 0        0xe0000000 - 0xefffffff (0x10000000) MX[B]
        [8] -1 0        0xdfee0000 - 0xdfeeffff (0x10000) MX[B](B)
        [9] -1 0        0xdf000000 - 0xdf7fffff (0x800000) MX[B](B)
        [10] -1 0       0xdfefc000 - 0xdfefffff (0x4000) MX[B](B)
        [11] -1 0       0xdc000000 - 0xddffffff (0x2000000) MX[B](B)
        [12] -1 0       0x0000ffff - 0x0000ffff (0x1) IX[B]
        [13] -1 0       0x00000000 - 0x000000ff (0x100) IX[B]
        [14] -1 0       0x0000d400 - 0x0000d41f (0x20) IX[B]
        [15] -1 0       0x0000d800 - 0x0000d81f (0x20) IX[B]
        [16] -1 0       0x0000dc00 - 0x0000dcff (0x100) IX[B]
        [17] -1 0       0x0000e000 - 0x0000e01f (0x20) IX[B]
        [18] -1 0       0x0000e400 - 0x0000e41f (0x20) IX[B]
        [19] -1 0       0x0000fc00 - 0x0000fc0f (0x10) IX[B]
        [20] -1 0       0x0000e800 - 0x0000e807 (0x8) IX[B]
        [21] -1 0       0x0000ec00 - 0x0000ec7f (0x80) IX[B]
(II) resource ranges after probing:
        [0] -1 0        0xffe00000 - 0xffffffff (0x200000) MX[B](B)
        [1] -1 0        0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
        [2] -1 0        0x000f0000 - 0x000fffff (0x10000) MX[B]
        [3] -1 0        0x000c0000 - 0x000effff (0x30000) MX[B]
        [4] -1 0        0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [5] -1 0        0xdffffe00 - 0xdffffeff (0x100) MX[B]
        [6] -1 0        0xdfffff80 - 0xdfffffff (0x80) MX[B]
        [7] -1 0        0xe0000000 - 0xefffffff (0x10000000) MX[B]
        [8] -1 0        0xdfee0000 - 0xdfeeffff (0x10000) MX[B](B)
        [9] -1 0        0xdf000000 - 0xdf7fffff (0x800000) MX[B](B)
        [10] -1 0       0xdfefc000 - 0xdfefffff (0x4000) MX[B](B)
        [11] -1 0       0xdc000000 - 0xddffffff (0x2000000) MX[B](B)
        [12] 0 0        0x000a0000 - 0x000affff (0x10000) MS[B]
        [13] 0 0        0x000b0000 - 0x000b7fff (0x8000) MS[B]
        [14] 0 0        0x000b8000 - 0x000bffff (0x8000) MS[B]
        [15] -1 0       0x0000ffff - 0x0000ffff (0x1) IX[B]
        [16] -1 0       0x00000000 - 0x000000ff (0x100) IX[B]
        [17] -1 0       0x0000d400 - 0x0000d41f (0x20) IX[B]
        [18] -1 0       0x0000d800 - 0x0000d81f (0x20) IX[B]
        [19] -1 0       0x0000dc00 - 0x0000dcff (0x100) IX[B]
        [20] -1 0       0x0000e000 - 0x0000e01f (0x20) IX[B]
        [21] -1 0       0x0000e400 - 0x0000e41f (0x20) IX[B]
        [22] -1 0       0x0000fc00 - 0x0000fc0f (0x10) IX[B]
        [23] -1 0       0x0000e800 - 0x0000e807 (0x8) IX[B]
        [24] -1 0       0x0000ec00 - 0x0000ec7f (0x80) IX[B]
        [25] 0 0        0x000003b0 - 0x000003bb (0xc) IS[B]
        [26] 0 0        0x000003c0 - 0x000003df (0x20) IS[B]
(II) Setting vga for screen 0.
(II) Loading sub module "vgahw"
(II) LoadModule: "vgahw"
(II) Loading /usr/X11R6/lib/modules/libvgahw.a
(II) Module vgahw: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 0.1.0
        ABI class: XFree86 Video Driver, version 0.5
(**) MGA(0): Depth 24, (--) framebuffer bpp 32
(==) MGA(0): RGB weight 888
(**) MGA(0): Option "UseFBDev" "false"
(**) MGA(0): Option "AGPMode" "4"
(II) Loading sub module "mga_hal"
(II) LoadModule: "mga_hal"
(WW) Warning, couldn't open module mga_hal
(II) UnloadModule: "mga_hal"
(EE) MGA: Failed to load module "mga_hal" (module does not exist, 0)
(II) MGA(0): Matrox HAL module not loaded - using builtin mode setup instead
(--) MGA(0): Chipset: "mgag400"
(**) MGA(0): Using AGP 4x mode
(--) MGA(0): Linear framebuffer at 0xDC000000
(--) MGA(0): MMIO registers at 0xDFEFC000
(--) MGA(0): Pseudo-DMA transfer window at 0xDF000000
(--) MGA(0): BIOS at 0xDFEE0000
(II) Truncating PCI BIOS Length to 32768
(--) MGA(0): Video BIOS info block at offset 0x07CE0
(WW) MGA(0): Video BIOS info block not detected!
(II) MGA(0): MGABios.RamdacType = 0x0
(==) MGA(0): Write-combining range (0xdc000000,0x2000000)
(--) MGA(0): VideoRAM: 32768 kByte
(II) Loading sub module "ddc"
(II) LoadModule: "ddc"
(II) Reloading /usr/X11R6/lib/modules/libddc.a
(II) Loading sub module "i2c"
(II) LoadModule: "i2c"
(II) Loading /usr/X11R6/lib/modules/libi2c.a
(II) Module i2c: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.2.0
        ABI class: XFree86 Video Driver, version 0.5
(==) MGA(0): Write-combining range (0xdc000000,0x2000000)
(II) MGA(0): vgaHWGetIOBase: hwp->IOBase is 0x03d0, hwp->PIOOffset is 0x0000
(II) MGA(0): I2C bus "DDC" initialized.
(II) MGA(0): I2C device "DDC:ddc2" registered.
(II) MGA(0): I2C device "DDC:ddc2" removed.
(II) MGA(0): I2C Monitor info: (nil)
(II) MGA(0): end of I2C Monitor info

(--) MGA(0): No DDC signal
(II) MGA(0): DDC Monitor info: (nil)
(II) MGA(0): end of DDC Monitor info

(**) MGA(0): Using gamma correction (1.5, 1.7, 1.5)
(==) MGA(0): Min pixel clock is 12 MHz
(==) MGA(0): Max pixel clock is 300 MHz
(II) MGA(0): My Monitor: Using hsync range of 30.00-54.00 kHz
(II) MGA(0): My Monitor: Using vrefresh range of 50.00-100.00 Hz
(II) MGA(0): Clock range:  12.00 to 300.00 MHz
(II) MGA(0): Not using default mode "1024x768" (hsync out of range)
(II) MGA(0): Not using default mode "512x384" (hsync out of range)
(II) MGA(0): Not using default mode "1024x768" (hsync out of range)
(II) MGA(0): Not using default mode "512x384" (hsync out of range)
(II) MGA(0): Not using default mode "1024x768" (hsync out of range)
(II) MGA(0): Not using default mode "512x384" (hsync out of range)
(II) MGA(0): Not using default mode "1152x864" (hsync out of range)
(II) MGA(0): Not using default mode "576x432" (hsync out of range)
(II) MGA(0): Not using default mode "1280x960" (hsync out of range)
(II) MGA(0): Not using default mode "640x480" (hsync out of range)
(II) MGA(0): Not using default mode "1280x960" (hsync out of range)
(II) MGA(0): Not using default mode "640x480" (hsync out of range)
(II) MGA(0): Not using default mode "1280x1024" (hsync out of range)
(II) MGA(0): Not using default mode "640x512" (hsync out of range)
(II) MGA(0): Not using default mode "1280x1024" (hsync out of range)
(II) MGA(0): Not using default mode "640x512" (hsync out of range)
(II) MGA(0): Not using default mode "1280x1024" (hsync out of range)
(II) MGA(0): Not using default mode "640x512" (hsync out of range)
(II) MGA(0): Not using default mode "1600x1200" (hsync out of range)
(II) MGA(0): Not using default mode "800x600" (hsync out of range)
(II) MGA(0): Not using default mode "1600x1200" (hsync out of range)
(II) MGA(0): Not using default mode "800x600" (hsync out of range)
(II) MGA(0): Not using default mode "1600x1200" (hsync out of range)
(II) MGA(0): Not using default mode "800x600" (hsync out of range)
(II) MGA(0): Not using default mode "1600x1200" (hsync out of range)
(II) MGA(0): Not using default mode "800x600" (hsync out of range)
(II) MGA(0): Not using default mode "1600x1200" (hsync out of range)
(II) MGA(0): Not using default mode "800x600" (hsync out of range)
(II) MGA(0): Not using default mode "1792x1344" (hsync out of range)
(II) MGA(0): Not using default mode "896x672" (hsync out of range)
(II) MGA(0): Not using default mode "1792x1344" (hsync out of range)
(II) MGA(0): Not using default mode "896x672" (hsync out of range)
(II) MGA(0): Not using default mode "1856x1392" (hsync out of range)
(II) MGA(0): Not using default mode "928x696" (hsync out of range)
(II) MGA(0): Not using default mode "1856x1392" (hsync out of range)
(II) MGA(0): Not using default mode "928x696" (hsync out of range)
(II) MGA(0): Not using default mode "1920x1440" (hsync out of range)
(II) MGA(0): Not using default mode "960x720" (hsync out of range)
(II) MGA(0): Not using default mode "1920x1440" (hsync out of range)
(II) MGA(0): Not using default mode "960x720" (hsync out of range)
(II) MGA(0): Not using default mode "1400x1050" (hsync out of range)
(II) MGA(0): Not using default mode "700x525" (hsync out of range)
(II) MGA(0): Not using default mode "1400x1050" (hsync out of range)
(II) MGA(0): Not using default mode "700x525" (hsync out of range)
(II) MGA(0): Not using default mode "1600x1024" (hsync out of range)
(II) MGA(0): Not using default mode "800x512" (hsync out of range)
(II) MGA(0): Not using mode "1152x864" (no mode of this name)
(**) MGA(0): Virtual size is 2048x1536 (pitch 2048)
(**) MGA(0): Default mode "1024x768": 65.0 MHz, 48.4 kHz, 60.0 Hz
(II) MGA(0): Modeline "1024x768"   65.00  1024 1048 1184 1344  768 771 777 806 -hsync 
-vsync
(**) MGA(0): Default mode "800x600": 56.3 MHz, 53.7 kHz, 85.1 Hz
(II) MGA(0): Modeline "800x600"   56.30  800 832 896 1048  600 601 604 631 +hsync 
+vsync
(**) MGA(0): Default mode "640x400": 31.5 MHz, 37.9 kHz, 85.1 Hz
(II) MGA(0): Modeline "640x400"   31.50  640 672 736 832  400 401 404 445 -hsync +vsync
(**) MGA(0): Default mode "512x384": 32.5 MHz, 48.4 kHz, 60.0 Hz (D)
(II) MGA(0): Modeline "512x384"   32.50  512 524 592 672  384 385 388 403 doublescan 
-hsync -vsync
(**) MGA(0): Default mode "400x300": 28.1 MHz, 53.7 kHz, 85.3 Hz (D)
(II) MGA(0): Modeline "400x300"   28.15  400 416 448 524  300 300 302 315 doublescan 
+hsync +vsync
(**) MGA(0): Default mode "320x240": 18.0 MHz, 43.3 kHz, 85.2 Hz (D)
(II) MGA(0): Modeline "320x240"   18.00  320 348 376 416  240 240 242 254 doublescan 
-hsync -vsync
(**) MGA(0): Default mode "320x200": 15.8 MHz, 37.9 kHz, 85.3 Hz (D)
(II) MGA(0): Modeline "320x200"   15.75  320 336 368 416  200 200 202 222 doublescan 
-hsync +vsync
(**) MGA(0): Display dimensions: (524, 392) mm
(**) MGA(0): DPI set to (99, 99)
(II) MGA(0): YDstOrg is set to 0
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/X11R6/lib/modules/libfb.a
(II) Module fb: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 ANSI C Emulation, version 0.1
(II) Loading sub module "xaa"
(II) LoadModule: "xaa"
(II) Loading /usr/X11R6/lib/modules/libxaa.a
(II) Module xaa: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 1.0.0
        ABI class: XFree86 Video Driver, version 0.5
(II) Loading sub module "ramdac"
(II) LoadModule: "ramdac"
(II) Loading /usr/X11R6/lib/modules/libramdac.a
(II) Module ramdac: vendor="The XFree86 Project"
        compiled for 4.2.1, module version = 0.1.0
        ABI class: XFree86 Video Driver, version 0.5
(--) Depth 24 pixmap format is 32 bpp
(II) do I need RAC?  No, I don't.
(II) resource ranges after preInit:
        [0] 0 0 0xdf000000 - 0xdf7fffff (0x800000) MX[B]
        [1] 0 0 0xdfefc000 - 0xdfefffff (0x4000) MX[B]
        [2] 0 0 0xdc000000 - 0xddffffff (0x2000000) MX[B]
        [3] -1 0        0xffe00000 - 0xffffffff (0x200000) MX[B](B)
        [4] -1 0        0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
        [5] -1 0        0x000f0000 - 0x000fffff (0x10000) MX[B]
        [6] -1 0        0x000c0000 - 0x000effff (0x30000) MX[B]
        [7] -1 0        0x00000000 - 0x0009ffff (0xa0000) MX[B]
        [8] -1 0        0xdffffe00 - 0xdffffeff (0x100) MX[B]
        [9] -1 0        0xdfffff80 - 0xdfffffff (0x80) MX[B]
        [10] -1 0       0xe0000000 - 0xefffffff (0x10000000) MX[B]
        [11] -1 0       0xdfee0000 - 0xdfeeffff (0x10000) MX[B](B)
        [12] -1 0       0xdf000000 - 0xdf7fffff (0x800000) MX[B](B)
        [13] -1 0       0xdfefc000 - 0xdfefffff (0x4000) MX[B](B)
        [14] -1 0       0xdc000000 - 0xddffffff (0x2000000) MX[B](B)
        [15] 0 0        0x000a0000 - 0x000affff (0x10000) MS[B](OprD)
        [16] 0 0        0x000b0000 - 0x000b7fff (0x8000) MS[B](OprD)
        [17] 0 0        0x000b8000 - 0x000bffff (0x8000) MS[B](OprD)
        [18] -1 0       0x0000ffff - 0x0000ffff (0x1) IX[B]
        [19] -1 0       0x00000000 - 0x000000ff (0x100) IX[B]
        [20] -1 0       0x0000d400 - 0x0000d41f (0x20) IX[B]
        [21] -1 0       0x0000d800 - 0x0000d81f (0x20) IX[B]
        [22] -1 0       0x0000dc00 - 0x0000dcff (0x100) IX[B]
        [23] -1 0       0x0000e000 - 0x0000e01f (0x20) IX[B]
        [24] -1 0       0x0000e400 - 0x0000e41f (0x20) IX[B]
        [25] -1 0       0x0000fc00 - 0x0000fc0f (0x10) IX[B]
        [26] -1 0       0x0000e800 - 0x0000e807 (0x8) IX[B]
        [27] -1 0       0x0000ec00 - 0x0000ec7f (0x80) IX[B]
        [28] 0 0        0x000003b0 - 0x000003bb (0xc) IS[B](OprU)
        [29] 0 0        0x000003c0 - 0x000003df (0x20) IS[B](OprU)
(==) MGA(0): Write-combining range (0xdc000000,0x2000000)
(II) MGA(0): vgaHWGetIOBase: hwp->IOBase is 0x03d0, hwp->PIOOffset is 0x0000
(--) MGA(0): 16 DWORD fifo
(==) MGA(0): Default visual is TrueColor
(EE) MGA(0): Static buffer allocation failed, not initializing the DRI
(EE) MGA(0): Need at least 36864 kB video memory at this resolution, bit depth
(II) MGA(0): Using 512 lines for offscreen memory.
(II) MGA(0): Using XFree86 Acceleration Architecture (XAA)
        Screen to screen bit blits
        Solid filled rectangles
        Solid filled trapezoids
        8x8 mono pattern filled rectangles
        8x8 mono pattern filled trapezoids
        Indirect CPU to Screen color expansion
        Screen to Screen color expansion
        Solid Lines
        Dashed Lines
        Scanline Image Writes
        Offscreen Pixmaps
        Driver provided FillMono8x8PatternRects replacement
        Setting up tile and stipple cache:
                32 128x128 slots
                8 256x256 slots
(==) MGA(0): Backing store disabled
(==) MGA(0): Silken mouse enabled
(**) Option "dpms"
(**) MGA(0): DPMS enabled
(II) MGA(0): Using overlay video
(--) MGA(0): Direct rendering disabled
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension LBX
(II) Initializing built-in extension XC-APPGROUP
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFree86-Bigfont
(II) Initializing built-in extension RENDER
(II) Keyboard "Generic Keyboard" handled by legacy driver
(**) Option "Protocol" "IntelliMouse"
(**) Configured Mouse: Protocol: "IntelliMouse"
(**) Option "CorePointer"
(**) Configured Mouse: Core Pointer
(**) Option "Device" "/dev/ttyS0"
(**) Option "BaudRate" "1200"
(**) Option "StopBits" "1"
(**) Option "DataBits" "7"
(**) Option "Parity" "None"
(**) Option "Vmin" "1"
(**) Option "Vtime" "0"
(**) Option "FlowControl" "None"
(**) Option "ZAxisMapping" "4 5"
(**) Configured Mouse: ZAxisMapping: buttons 4 and 5
(**) Configured Mouse: Buttons: 5
(**) Configured Mouse: BaudRate: 1200
(II) XINPUT: Adding extended input device "Configured Mouse" (type: MOUSE)
(**) Option "BaudRate" "1200"


Repeat By:

Set ScreenSize option in the Monitor section of the configuration. Aditionally define 
a Display subsection in your Screen section containing at least one entry in the Modes 
line (eg. 1024x768) and a Virtual configuration bigger than zero and different from 
the above resolution.
The DPI will be calculated from the Virtual screen size where, what matters here IMO, 
is the actual screen resolution. That is, given these -cut down to a minimum- settings:
Section "Monitor"
  DisplaySize    262 196
EndSection
Section "Screen"
  Subsection "Display"
    Modes           "1024x768"
    Virtual         2048 1536
  EndSubsection
EndSection

I get the following output from xdpyinfo:
  dimensions:    2048x1536 pixels (263x196 millimeters)
  resolution:    198x199 dots per inch

Where it's clear the resolution should be just half that.


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