[kde-linux] KDE blinks second monitor on and off on a one second interval

[Jim Cicon]

DESCRIPTION

I ran 'software updater' today and restarted my machine.  The second monitor
started blinking on and off at about a one second rate.

Eventually I figured out that if I end the KDE session and log in using GNOME
that everything is just fine.

It is only under KDE that the monitor blinks on and off.

VERSION: Fedora 7 (with Nov 13 updates)

HOW REPRODUCIBLE: Happens every time

HARDWARE INFORMATION

LAPTOP PC MODEL: Toshiba Satellite M45-S269

SECOND VIDEO CARD ADAPTER: I use two different VGA adapters, one at work and one
at home.  I plug them into my laptop USB port.
   Work VGA Adapter: Targus ACP50US
   Home VGA Adapter: USB2.0VGA

NOTES:
1) Everything was working fine until I ran software updater today. 
2) I have tried four different monitors and all act the same way.
3) I use two different USB-VGA adapters (see above).  KDE blinks the display the
same for either adapter.
4) If I use GNOME, everthing is just fine.


jec
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# Xorg configuration created by system-config-display

Section "ServerLayout"
	Identifier     "two monitor configuration"
	Screen      0  "Screen0" 0 0
	Screen      1  "Screen1" LeftOf "Screen0"
	InputDevice    "Keyboard0" "CoreKeyboard"
	InputDevice    "Synaptics" "CorePointer"
EndSection

Section "InputDevice"
	Identifier  "Keyboard0"
	Driver      "kbd"
	Option	    "XkbModel" "pc105"
	Option	    "XkbLayout" "us"
EndSection

Section "InputDevice"
	Identifier  "Synaptics"
	Driver      "synaptics"
	Option	    "Device" "/dev/input/mice"
	Option	    "Protocol" "auto-dev"
	Option	    "Emulate3Buttons" "yes"
EndSection

Section "Monitor"
	Identifier   "Monitor1"
	ModelName    "LCD Panel 1280x1024"
        HorizSync    31.5 - 90.0
        VertRefresh  50.0 - 75
	Option	    "dpms"
EndSection

Section "Device"
	Identifier  "Videocard1"
	Driver      "sisusb"
	BoardName   "Magic Control Technology Corp. SVGA Adapter"
EndSection

Section "Screen"
	Identifier "Screen1"
	Device     "Videocard1"
	Monitor    "Monitor1"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     24 
		Modes     "1280x1024"
	EndSubSection
EndSection


Section "Monitor"
        Identifier   "Monitor0"
        ModelName    "LCD Panel 1280x800"
        HorizSync    31.5 - 90.0
        VertRefresh  50.0 - 75
        Option      "dpms"
EndSection

Section "Device"
        Identifier  "Videocard0"
        Driver      "intel"
        BusID       "PCI:0:2:0
        BoardName   "Intel Corporation Mobile 915GM/GMS/910GML Express Graphics"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Videocard0"
        Monitor    "Monitor0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
                Modes     "1280x800" 
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     16
                Modes    "800x600"
        EndSubSection
EndSection