Problem with virtual size and real size on monitor

[ali nebi]

Here are the xorg.conf and Xorg.0.log files.
We did update on new version for chipset 1.7.2
Here is the configuration for monitor and chpset:

Section "Monitor"
	Identifier   "Monitor0"
	VendorName   "Monitor Vendor"
	ModelName    "Acer AL1916W"
        DisplaySize  410        260
	# 1440x900 @ 75.00 Hz (GTF) hsync: 70.50 kHz; pclk: 136.49
MHz
	# Modeline "1440x900"  136.49  1440 1536 1688 1936  900 901
904 940  -HSync +Vsync
	# 1440x900 @ 60.00 Hz (GTF) hsync: 55.92 kHz; pclk: 106.47
MHz
	Modeline "1440x900"  106.47  1440 1520 1672 1904  900 901
904 932  -HSync +Vsync
	Option	    "dpms"
EndSection

Section "Device"
	Identifier  "Videocard0"
	Driver      "i810"
	VendorName  "Videocard vendor"
	BoardName   "Intel Corporation Integrated Graphics
Controller"
EndSection

Section "Screen"
	Identifier "Screen0"
	Device     "Videocard0"
	Monitor    "Monitor0"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     16
		Modes    "1440x900" "1024x768" "800x600" "640x480"
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     24
		Modes    "1440x900" "1024x768" "800x600" "640x480"
	EndSubSection
EndSection


Here is part of the log:

(II) I810(0): Supported Future Video Modes:
(II) I810(0): #0: hsize: 1280  vsize 1024  refresh: 60  vid:
32897
(II) I810(0): #1: hsize: 1280  vsize 960  refresh: 60  vid:
16513
(II) I810(0): #2: hsize: 1152  vsize 864  refresh: 75  vid:
20337
(II) I810(0): #3: hsize: 1440  vsize 900  refresh: 60  vid:
149
(II) I810(0): Supported additional Video Mode:
(II) I810(0): clock: 106.5 MHz   Image Size:  408 x 255 mm
(II) I810(0): h_active: 1440  h_sync: 1520  h_sync_end 1672
h_blank_end 1904 h_border: 0
(II) I810(0): v_active: 900  v_sync: 903  v_sync_end 909
v_blanking: 934 v_border: 0
(II) I810(0): Ranges: V min: 56  V max: 76 Hz, H min: 30  H
max: 82 kHz, PixClock max 140 MHz
(II) I810(0): Monitor name: Acer AL1916W
(II) I810(0): Serial No: ETL5209126
(II) I810(0): Will use BIOS call 0x5f05 to set refresh rates
for CRTs.
(--) I810(0): Maximum space available for video modes: 12288
kByte
(II) I810(0): Using detected DDC timings
(II) I810(0): 	HorizSync 30-82
(II) I810(0): 	VertRefresh 56-76
(WW) I810(0): config file hsync range 28-33kHz not within
DDC hsync range 30-82kHz
(WW) I810(0): config file vrefresh range 43-72Hz not within
DDC vrefresh range 56-76Hz

......
II) I810(0): Increasing the scanline pitch to allow tiling
mode (1440 -> 2048).
(--) I810(0): Virtual size is 1440x900 (pitch 2048)
(**) I810(0): *Built-in mode "1440x900"
(**) I810(0): *Built-in mode "1024x768"
(**) I810(0): *Built-in mode "800x600"
(**) I810(0): *Built-in mode "640x480"
(II) I810(0): Attempting to use 60.00Hz refresh for mode
"1440x900" (858)
(II) I810(0): Attempting to use 75.08Hz refresh for mode
"1024x768" (854)
(II) I810(0): Attempting to use 75.00Hz refresh for mode
"800x600" (852)
(II) I810(0): Attempting to use 75.00Hz refresh for mode
"640x480" (850)
(--) I810(0): Display dimensions: (410, 260) mm
(--) I810(0): DPI set to (89, 87)

What can be a problem with the size?



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