Last time I did this I had to add Option "DesktopSetup" "horizontal" under the first device section. I don't have the card anymore so I can't check my config. Jeff On Thu, 2007-05-03 at 12:16 -0700, Mark Hull-Richter wrote: > On 5/3/07, Jeff Stacey <Jeff.Stacey at jri.ca> wrote to me: > > > > Grab the ATI Driver Installer it supports Xorg 7.1 > > > Okay, I did that. I have now been fighting with xorg.conf and > system-config-display for about an hour and I still have mirror > screens and do not know what to do. Here is my xorg.conf (which isn't > even changed as I write this, it just doesn't work) and excerpts from > the Xorg.0.log where there were errors (EE) or warnings (WW) and I > don't understand some of these. Hopefully someone out there will? > > xorg.conf: > > # Xorg configuration created by system-config-display > > Section "ServerLayout" > Identifier "Multihead layout" > Screen 0 "aticonfig-Screen[0]" LeftOf "aticonfig-Screen[1]" > Screen 1 "aticonfig-Screen[1]" > InputDevice "Keyboard0" "CoreKeyboard" > Option "Xinerama" "on" > Option "Clone" "off" > EndSection > > Section "Files" > EndSection > > Section "InputDevice" > Identifier "Keyboard0" > Driver "kbd" > Option "XkbModel" "pc105" > Option "XkbLayout" "us" > EndSection > > Section "Monitor" > Identifier "aticonfig-Monitor[0]" > VendorName "ATI Proprietary Driver" > ModelName "Generic Autodetecting Monitor" > Option "DPMS" "true" > EndSection > > Section "Monitor" > Identifier "aticonfig-Monitor[1]" > VendorName "ATI Proprietary Driver" > ModelName "Generic Autodetecting Monitor" > Option "DPMS" "true" > EndSection > > Section "Device" > Identifier "aticonfig-Device[0]" > Driver "fglrx" > BusID "PCI:1:0:0" > EndSection > > Section "Device" > Identifier "aticonfig-Device[1]" > Driver "fglrx" > BusID "PCI:1:0:1" > EndSection > > Section "Screen" > Identifier "aticonfig-Screen[0]" > Device "aticonfig-Device[0]" > Monitor "aticonfig-Monitor[0]" > DefaultDepth 24 > SubSection "Display" > Viewport 0 0 > Depth 24 > Modes "1280x1024" "1280x960" "1280x800" "1152x864" > "1024x768" "800x600" "640x480" > EndSubSection > EndSection > > Section "Screen" > Identifier "aticonfig-Screen[1]" > Device "aticonfig-Device[1]" > Monitor "aticonfig-Monitor[1]" > DefaultDepth 24 > SubSection "Display" > Viewport 0 0 > Depth 24 > Modes "1280x1024" "1280x960" "1280x800" "1152x864" > "1024x768" "800x600" "640x480" > EndSubSection > EndSection > > Don't I need something that has a Screen section with two Display > subsections? I can't remember what that was.... > > Anyway, here are the errors and warnings from my Xorg.0.log (there > were no notices or unknowns): > > (==) |-->Input Device "<default pointer>" > (WW) The core pointer device wasn't specified explicitly in the layout. > Using the default mouse configuration. > : > (WW) fglrx(0): *********************************** > (WW) fglrx(0): * DRI initialization disabled! * > (WW) fglrx(0): * 2D acceleraton available (MMIO) * > (WW) fglrx(0): * no 3D acceleration available * > (WW) fglrx(0): *********************************** > : > (WW) fglrx(0): Failed to set up write-combining range (0xd7fc0000,0x20000) > (WW) fglrx(0): Failed to set up write-combining range (0xd7f80000,0x60000) > (WW) fglrx(0): Failed to set up write-combining range (0xd7f00000,0xe0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd7e00000,0x1e0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd7c00000,0x3e0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd7800000,0x7e0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd7000000,0xfe0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd6000000,0x1fe0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd4000000,0x3fe0000) > (WW) fglrx(0): Failed to set up write-combining range (0xd0000000,0x7fe0000) > : > (WW) fglrx(0): Textured Video not supported without DRI enabled. > (==) RandR enabled > (WW) Not including screen "aticonfig-Screen[0]" in origins calculation. > : > (EE) AIGLX: Screen 0 is not DRI capable [882] > : > (WW) Disabling Composite since Xinerama is enabled > : > (WW) <default pointer>: No Device specified, looking for one... > > None of these look to me like they are related to the problem - no > dual head. What's worse is that s-c-d doesn't seem to understand this > either. It shows: > > Settings: 800x600, Millions of colors (with only 640x480 as the other > res option) > > Hardware: Generic Autodetecting Monitor (should be Dell 1707FP) and > Unkown Video Card (which is actually correct - this is the fglrx > driver). > > Dual Head: Use Dual Head, Generic Autodetecting Monitor (see above), > Second video card is "ATI Technologies Inc Unknown device 71d2" (which > is technically correct but useless), 800x600 (no options), Millions of > colors and "Spanning Desktops" which do not appear. > > Anyone know what this is/might be and, hopefully, how to fix it? > > Thanks. > > -- > Mark Hull-Richter > DATAllegro (www.datallegro.com) > 85 Enterprise, Second Floor, Aliso Viejo, CA 92656 > 949-680-3082 - Office 949-330-7691 - fax > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos