intel/xrandr1.2: cannot resize for larger external monitor
Drew Parsons
dparsons at debian.org
Mon Apr 16 18:24:14 PDT 2007
I'm experiencing this problem on an Intel 82852/855GM (IBM thinkpad
R51). Using video-intel 2.0RC4 (Debian 1.9.94-1), xserver 1.3RC5
(1.2.99.905-1), xrandr 1.2.0.
If I start X on the laptop alone with no external monitor plugged in, X
configures itself to the laptop screen at 1024x768, which is fine. I
power down with S4 hibernate, resume back in the office and plug in the
office monitor, which has a 1900x1200 resolution. xrandr --auto detects
the external monitor and connects to it, but only configures it at a
resolution of 1280x1024. It does not acknowledge the 1900x1200
resolution.
Indeed, the log file reports the matter this way:
(II) intel(0): Supported additional Video Mode:
(II) intel(0): clock: 154.0 MHz Image Size: 519 x 324 mm
(II) intel(0): h_active: 1920 h_sync: 1968 h_sync_end 2000 h_blank_end
2080 h_border: 0
(II) intel(0): v_active: 1200 v_sync: 1203 v_sync_end 1209 v_blanking:
1235 v_border: 0
(II) intel(0): Serial No: MW7967390D3S
(II) intel(0): Monitor name: DELL 2407WFP
(II) intel(0): Ranges: V min: 56 V max: 76 Hz, H min: 30 H max: 83
kHz, PixClock max 170 MHz
(II) intel(0): EDID (in hex):
(II) intel(0): 00ffffffffffff0010ac16a053334430
(II) intel(0): 0a1101030e342178eeee91a3544c9926
(II) intel(0): 0f5054a54b008180a940714fb3000101
(II) intel(0): 010101010101283c80a070b023403020
(II) intel(0): 360007442100001a000000ff004d5737
(II) intel(0): 39363733393044335320000000fc0044
(II) intel(0): 454c4c20323430375746500a000000fd
(II) intel(0): 00384c1e5311000a2020202020200042
...
(II) intel(0): Modeline "1280x1024" 109.00 1280 1368 1496 1712 1024
1027 1034 1063 -hsync +vsync
(II) intel(0): Modeline "1600x1200" 161.00 1600 1712 1880 2160 1200
1203 1207 1245 -hsync +vsync
(II) intel(0): Modeline "1152x864" 104.00 1152 1224 1344 1536 864 867
871 905 -hsync +vsync
(II) intel(0): Modeline "1680x1050" 146.25 1680 1784 1960 2240 1050
1053 1059 1089 -hsync +vsync
(II) intel(0): Modeline "1920x1200" 154.00 1920 1968 2000 2080 1200
1203 1209 1235 -hsync +vsync
(II) intel(0): EDID vendor "DEL", prod id 40982
(II) intel(0): Not using mode "1920x1200" (width too large for virtual
size)
(II) intel(0): Not using mode "1600x1200" (width too large for virtual
size)
(II) intel(0): Not using mode "1680x1050" (width too large for virtual
size)
So apparently the problem is with the virtual screen. If I try to
resize it with "xrandr --fb 1920x1200", then xrandr refuses, saying the
maximum allowed size is 1280x1280. I seem to be able to change this
with "xrandr --fbmm 1920x1200" after which "xrandr --fb 1920x1200" does
appear to work. But then when I try to resize the display with "xrandr
--output VGA --auto" in hope of now seeing the 1920x1200 mode, the
server crashes hard.
Upon restarting X (rebooting) with the external monitor plugged in, X
does see the 1920x1200 mode which I can select with no further trouble.
Is this a bug which needs reporting or am I misusing xrandr?
conf file and log attached
Drew
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# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
# sudo dpkg-reconfigure -phigh xserver-xorg
Section "Files"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/usr/X11R6/lib/X11/fonts/misc"
FontPath "/usr/share/fonts/X11/cyrillic"
FontPath "/usr/X11R6/lib/X11/fonts/cyrillic"
FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi/:unscaled"
FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi/:unscaled"
FontPath "/usr/share/fonts/X11/Type1"
FontPath "/usr/X11R6/lib/X11/fonts/Type1"
FontPath "/usr/share/fonts/X11/100dpi"
FontPath "/usr/X11R6/lib/X11/fonts/100dpi"
FontPath "/usr/share/fonts/X11/75dpi"
FontPath "/usr/X11R6/lib/X11/fonts/75dpi"
# path to defoma fonts
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
FontPath "/usr/share/fonts/Mathematica/Type1"
FontPath "/usr/share/fonts/Mathematica/BDF"
EndSection
Section "Module"
Load "bitmap"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "type1"
Load "vbe"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc104"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ExplorerPS/2"
EndSection
Section "InputDevice"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizScrollDelta" "0"
EndSection
Section "Device"
Identifier "Intel 855GM"
Driver "intel"
BusID "PCI:0:2:0"
EndSection
Section "Monitor"
Identifier "Generic Monitor"
Option "DPMS"
HorizSync 28-50
VertRefresh 43-75
ModeLine "1920x1200" 161.8 1920 2020 2052 2184 1200 1202 1208 1235 -hsync -vsync
ModeLine "1920x1200" 154.1 1920 1968 2000 2080 1200 1203 1209 1235 -hsync -vsync
EndSection
Section "Screen"
Identifier "Default Screen"
Device "Intel 855GM"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1920x1200" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1024x768" "1920x1200" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1024x768" "1920x1200" "800x600" "640x480"
EndSubSection
SubSection "Display"
Virtual 1920 1200
Depth 15
Modes "1024x768" "1920x1200" "800x600" "640x480"
EndSubSection
SubSection "Display"
Virtual 1920 1200
Depth 16
Modes "1024x768" "1920x1200" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1024x768" "1920x1200" "800x600" "640x480"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "Synaptics Touchpad"
EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "Composite" "enable"
EndSection
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