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Strange things on Randeon X800 (DVI-0 / DVI-1) using AVLinux 5

I'm using AVLinux, with 2.6.39.2.avl.3 kernel.
I have some problem about dual screen (xinerama).
My graphics card is this:

Code:

04:00.0 VGA compatible controller: ATI Technologies Inc R430 [Radeon X800 XL] (PCIe)

04:00.1 Display controller: ATI Technologies Inc R430 [Radeon X800 XL] (PCIe) (Secondary)

Using "arandr" (... thanks!) I can't place DVI-0 on the left or on the right of DVI-1: it seems that both output DVI-0 and DVI-1 are connected to the same signal, and I can only use two monitor with the same image.
Using "lxrandr" it is the same: with the second output disabled, both monitors switched off.
I tried to use "sgfxi", but it does not complete the installation, it comes out after finding the card correctly.
Output of xrandr:

Code:

Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1280

DVI-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm

  1280x1024      60.0*+  75.0  

  1280x960      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  

DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm

  1280x1024      60.0 +  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

It seems there is a problem of identification of DVI-0.
The two monitors are "seen" as being related to DVI-1.

Thanks, Touch.

Show us the output of 'xrandr --props'

Quote:

Originally Posted by adamk75 (Post 4412014)

Show us the output of 'xrandr --props'

This:

Code:

touch@AVLinux5:~$ xrandr --props

Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1280

DVI-1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm

        EDID:

                00ffffffffffff004c2d530239314f44

                021101036c261e782ade91a3544c9926

                0f5054bfef8081808140714f01010101

                010101010101302a009851002a403070

                1300782d1100001e000000fd00384b1e

                510e000a202020202020000000fc0053

                796e634d61737465720a2020000000ff

                00485348503131393730300a202000fc

        dvi_monitor_type: auto

        scaler: off

        tmds_pll: bios

        load_detection: 1 (0x00000001)        range:  (0,1)

  1280x1024      60.0*+  75.0  

  1280x960      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  

DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm

        EDID:

                00ffffffffffff00047246ad00000000

                1510010308221b78e8dc55a359489e24

                115054bfef0001010101010101010101

                010101010101302a009851002a403070

                1300520e1100001e000000fd00384b1e

                530e000a202020202020000000ff0036

                32313035373439343031380a000000fc

                00414c31373136410a202020202000b2

        scaler: off

  1280x1024      60.0 +  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

Thanks.

Updating.
The same issue with Avlinux 5.0.2, based on Debian Squeeze 6.0.3.

Any suggestions?

Thanks,
Touch.