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Horizontal Artifacts on Screen - Testing



Hi,

I have upgraded my machine to testing, however since doing so my desktop
has started intermittently displaying horizontal artifacts on the screen
like this ... http://www.stocktons.org.uk/Screenshot.png.

It does not seem to matter which applications I am running or which
window manager, I have also tried changing the Refresh Rate from 75Hz to
60Hz and also dropping the resolution from 1280x1024 but this has not
helped either.

I have some kind of old ATI agp card (not sure what sorry) and am 
using the ati driver.

I had no problems whilst running Xfree86, this problem seems to have
come about when upgrading to testing and xorg.

Any advice much appreciated, as I have run out of ideas.

My xorg.conf is below.

Regards

Tom


# XF86Config-4 (XFree86 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 XF86Config-4 manual page.
# (Type "man XF86Config-4" at the shell prompt.)
#
# This file is automatically updated on xserver-xfree86 package upgrades
*only*
# if it has not been modified since the last upgrade of the
xserver-xfree86
# package.
#
# If you have edited this file but would like it to be automatically
updated
# again, run the following commands as root:
#
#   cp /etc/X11/XF86Config-4 /etc/X11/XF86Config-4.custom
#   md5sum /etc/X11/XF86Config-4 >/var/lib/xfree86/XF86Config-4.md5sum
#   dpkg-reconfigure xserver-xfree86

Section "Files"
        FontPath        "unix/:7100"                    # local font
server
        # if the local font server has problems, we can fall back on
these
        FontPath        "/usr/share/fonts/X11/misc"
        FontPath        "/usr/lib/X11/fonts/misc"
        FontPath        "/usr/share/fonts/X11/cyrillic"
        FontPath        "/usr/lib/X11/fonts/cyrillic"
        FontPath        "/usr/lib/X11/fonts/100dpi/:unscaled"
        FontPath        "/usr/lib/X11/fonts/75dpi/:unscaled"
        FontPath        "/usr/share/fonts/X11/Type1"
        FontPath        "/usr/lib/X11/fonts/Type1"
        FontPath        "/usr/share/fonts/X11/CID"
        FontPath        "/usr/lib/X11/fonts/CID"
        FontPath        "/usr/lib/X11/fonts/Speedo"
        FontPath        "/usr/share/fonts/X11/100dpi"
        FontPath        "/usr/lib/X11/fonts/100dpi"
        FontPath        "/usr/share/fonts/X11/75dpi"
        FontPath        "/usr/lib/X11/fonts/75dpi"
EndSection

Section "Module"
        Load    "bitmap"
        Load    "dbe"
        Load    "ddc"
        Load    "dri"
        Load    "extmod"
        Load    "freetype"
        Load    "glx"
        Load    "int10"
        Load    "record"
        Load    "type1"
        Load    "vbe"
EndSection

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "keyboard"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xfree86"
        Option          "XkbModel"      "pc104"
        Option          "XkbLayout"     "gb"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/psaux"
        Option          "Protocol"              "ImPS/2"
        Option          "ZAxisMapping"          "4 5"
EndSection

Section "Device"
        Identifier      "ati radeon ve"
        Driver          "ati"
EndSection

Section "Monitor"
        Identifier      "Generic Monitor"
        HorizSync       30-94
        VertRefresh     50-75
        Option          "DPMS"
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Device          "ati radeon ve"
        Monitor         "Generic Monitor"
        DefaultDepth    16
        SubSection "Display"
                Depth           1
                Modes           "1280x1024" "1280x960" "1152x864"
"1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           4
                Modes           "1280x1024" "1280x960" "1152x864"
"1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           8
                Modes           "1280x1024" "1280x960" "1152x864"
"1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           15
                Modes           "1280x1024" "1280x960" "1152x864"
"1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           16
                Modes           "1280x1024" "1280x960" "1152x864"
"1024x768" "800x600" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           24
                Modes           "1280x1024" "1280x960" "1152x864"
"1024x768" "800x600" "640x480"
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Default Screen"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
EndSection

Section "DRI"
        Mode    0666
EndSection





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