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Old 23rd May 2009, 01:36 AM
bcl Offline
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Join Date: Nov 2004
Location: Port Orchard, WA
Posts: 11
Fedora9 Intel 945G problems

I am having a problem getting a system working with 2 displays. I have a POS (Point of Sale) system with a large LCD and a smaller one.

When using the vesa driver both displays come on in mirrored mode, and when in console mode.

When using the intel driver it comes up with X running on the small display. The large display remains blank unless I drop to console mode.

What I need to do is: Boot on the large display, and be able to use the smaller display as a second screen.

I have tried the instructions at http://intellinuxgraphics.org/dualhead.html and nothing I do with xrandr make the large display turn on. I have also tried other various xorg.conf settings, but nothing makes the main display activate.

xorg.conf

Code:
Section "Screen"
        Identifier      "Large Screen"
        DefaultDepth  24
        SubSection "Display"
                Depth   24
                Modes   "1024x768"   "640x480"
                Virtual 2048 768
        EndSubSection
EndSection
xrandr -q
Code:
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 2048 x 768
VGA connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768       60.0*+
   800x600        60.3  
   640x480        59.9  
Unknown-1 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768       60.0*+
   800x600        60.3  
   640x480        59.9
Selected parts of /var/log/Xorg.0.log
Code:
(--) PCI:*(0@0:2:0) Intel Corporation 82945G/GZ Integrated Graphics Controller rev 2, Mem @ 0xfdf00000/0, 0xd0000000/0, 0xfdf80000/0, I/O @ 0x0000ff00/0
(--) PCI: (0@0:2:1) Intel Corporation 82945G/GZ Integrated Graphics Controller rev 2, Mem @ 0xfde80000/0

(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
        i810-dc100, i810e, i815, i830M, 845G, 852GM/855GM, 865G, 915G,
        E7221 (i915), 915GM, 945G, 945GM, 945GME, 965G, G35, 965Q, 946GZ,
        965GM, 965GME/GLE, G33, Q35, Q33, Intel Integrated Graphics Device
(II) Primary Device is: PCI 00@00:02:0

(**) intel(0): Depth 24, (--) framebuffer bpp 32
(==) intel(0): RGB weight 888
(==) intel(0): Default visual is TrueColor
(II) intel(0): Integrated Graphics Chipset: Intel(R) 945G
(--) intel(0): Chipset: "945G"
(--) intel(0): Linear framebuffer at 0xD0000000
(--) intel(0): IO registers at addr 0xFDF00000
(II) intel(0): 2 display pipes available.
(==) intel(0): Using EXA for acceleration
(II) Loading sub module "ddc"
(II) LoadModule: "ddc"
(II) Module "ddc" already built-in
(II) Loading sub module "i2c"
(II) LoadModule: "i2c"
(II) Module "i2c" already built-in
(II) intel(0): Output VGA has no monitor section
(II) intel(0): I2C bus "CRTDDC_A" initialized.
(II) intel(0): I2C bus "SDVOCTRL_E for SDVOB" initialized.
(II) intel(0): I2C device "SDVOCTRL_E for SDVOB:SDVO Controller B" registered at address 0x70.
(II) intel(0): I2C bus "SDVOB DDC Bus" initialized.
(EE) intel(0): SDVO: No active TMDS outputs (0x4000)
(II) intel(0): Output Unknown-1 has no monitor section
(II) intel(0): SDVO device VID/DID: 02:41.01, clock range 25.0MHz - 200.0MHz, input 1: Y, input 2: N, output 1: N, output 2: N
(II) intel(0): I2C bus "SDVOCTRL_E for SDVOC" initialized.
(II) intel(0): I2C device "SDVOCTRL_E for SDVOC:SDVO Controller C" registered at address 0x72.
(II) intel(0): No SDVO device found on SDVOC
(II) intel(0): I2C device "SDVOCTRL_E for SDVOC:SDVO Controller C" removed.
(II) intel(0): I2C bus "SDVOCTRL_E for SDVOC" removed.
(II) intel(0): Current clock rate multiplier: 2
(II) intel(0): I2C device "CRTDDC_A:ddc2" registered at address 0xA0.
(II) intel(0): I2C device "CRTDDC_A:ddc2" removed.
(II) intel(0): I2C device "SDVOB DDC Bus:ddc2" registered at address 0xA0.
(II) intel(0): I2C device "SDVOB DDC Bus:ddc2" removed.
(II) intel(0): Output VGA connected
(II) intel(0): Output Unknown-1 connected
(II) intel(0): Using user preference for initial modes
(II) intel(0): Output VGA using initial mode 1024x768
(II) intel(0): Output Unknown-1 using initial mode 1024x768
(II) intel(0): detected 256 kB GTT.
(II) intel(0): detected 7932 kB stolen memory.
(==) intel(0): video overlay key set to 0x101fe
(==) intel(0): Will not try to enable page flipping
(==) intel(0): Triple buffering disabled
(==) intel(0): Intel XvMC decoder disabled
(==) intel(0): Using gamma correction (1.0, 1.0, 1.0)
(==) intel(0): DPI set to (96, 96)

(II) intel(0): Output configuration:
(II) intel(0):   Pipe A is on
(II) intel(0):   Display plane A is now enabled and connected to pipe A.
(II) intel(0):   Pipe B is on
(II) intel(0):   Display plane B is now enabled and connected to pipe B.
(II) intel(0):   Output VGA is connected to pipe A
(II) intel(0):   Output Unknown-1 is connected to pipe B
(II) intel(0): [drm] dma control initialized, using IRQ 16
(II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message.
(II) intel(0): DPMS enabled
(II) intel(0): Set up textured video
(II) intel(0): Set up overlay video
(II) intel(0): direct rendering: Enabled

Thanks for any help or hints!
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dual monitors, fedora9, intel

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