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I've been trying to get a dual screen environment working, with Sony Vaio SR21 laptop screen + Samsung Syncmaster 710v Screen, without much luck.
I can set both screens with xrandr/arandr, but only one is working, the other one is powered up but it is blank all the time.
The output of xrandr -q is:
xrandr -q
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 2560 x 1024
VGA-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm
1280x1024 60.0*+ 75.0 60.0*
1152x864 75.0
1024x768 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 59.9
720x400 70.1
LVDS connected 1280x800+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
1280x800 59.8*+
1280x720 59.9
1152x768 59.8
1024x768 60.0 59.9
800x600 60.3 59.9
640x480 59.9 59.4
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 disconnected (normal left inverted right x axis y axis)
Current xorg.conf:
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc:unscaled"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/75dpi"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/100dpi"
FontPath "/usr/share/fonts/PEX"
# Additional fonts: Locale, Gimp, TTF...
FontPath "/usr/share/fonts/cyrillic"
# FontPath "/usr/share/lib/X11/fonts/latin2/75dpi"
# FontPath "/usr/share/lib/X11/fonts/latin2/100dpi"
# True type and type1 fonts are also handled via xftlib, see /etc/X11/XftConfig!
FontPath "/usr/share/fonts/Type1"
FontPath "/usr/share/fonts/ttf/western"
FontPath "/usr/share/fonts/ttf/decoratives"
FontPath "/usr/share/fonts/truetype"
FontPath "/usr/share/fonts/truetype/openoffice"
FontPath "/usr/share/fonts/truetype/ttf-bitstream-vera"
FontPath "/usr/share/fonts/latex-ttf-fonts"
FontPath "/usr/share/fonts/defoma/CID"
FontPath "/usr/share/fonts/defoma/TrueType"
EndSection
Section "Module"
Load "ddc" # ddc probing of monitor
Load "dbe"
Load "dri"
Load "drm"
Load "extmod"
Load "glx"
Load "bitmap" # bitmap-fonts
Load "type1"
Load "freetype"
Load "record"
#Load "synaptics"
EndSection
# Auto-generated by Archie mkxcfg
Section "Monitor"
Identifier "LVDS"
Option "PreferredMode" "1280x800"
Option "DPMS" "true"
EndSection
Section "Monitor"
Identifier "VGA-0"
Option "PreferredMode" "1280x1024"
EndSection
# Auto-generated by Archie mkxcfg
Section "Device"
Identifier "Card0"
Driver "radeon"
#VendorName "All"
#BoardName "All"
Option "DRI" "true"
Option "AccelMethod" "EXA"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "LVDS"
DefaultDepth 24
SubSection "Display"
Depth 24
Viewport 0 0
Virtual 2560 1024
EndSubSection
EndSection
Section "DRI"
Mode 0666
EndSection
Section "ServerLayout"
Identifier "Xorg Configured"
Screen 0 "Screen0" 0 0
EndSection
I've tried before with only one screen defined, without any luck neither.
I'm using: RandR version 1.3, Openbox 3.4.7.2.
Also I've tried with multiple xrandr options, including "--auto" and:
xrandr --output LVDS --mode 1280x800 --output VGA-0 --mode 1280x1024 --left-of LVDS
Could you please give some guidance to make it work?
Thank you in advance.
Last edited by underflow (2009-06-05 08:06:33)
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i don't have a solution, but i can tell you that i've tried many xrandr settings on my Vaio fw31 without much success. it might be buggy behaviour of the driver which needs fixing..
ᶘ ᵒᴥᵒᶅ
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Your problem may be related to ones listed in "Known Issues" here: www2.ati.com/drivers/linux/catalyst_95_linux.pdf
If you get dualscreen work please let me now, I'm thinking about buying an ATI card soon.
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Thank you litemotiv and mgzzy.
If I find the problem and/or a solution, I'll post here and let u know.
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You may want to take a look at this page if you haven't done it before http://www.thinkwiki.org/wiki/Xorg_RandR_1.2
R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K
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