Re: [gentoo-desktop] Screen-blanking on X startup

[andy stern]

Hi Lasse,

is there any Logging from X11?
have you tried to plug a second monitor?

best regards,
Andy

On Mon, 18 Feb 2008 20:05:44 +0100
Lasse Riis <lists@×××××××××.dk> wrote:

> Hi,
>
> When Xorg starts on my laptop (or actually Gentoo boots and xdm is
> started) the X startup procedure involves blanking, or actually
> powering off my display completely. This has always been "standard
> procedure" to me, and I've gotten used to it over the years.
>
> However, in my current setup it actually "blinks" or powers off
> twice. It might be the version of Xorg, or it might be this laptop.
> In any case I didn't notice it till now.
>
> I've Googled some to find out what's actually going on but to no
> avail. Some says it's probing for external monitors and thus turns
> off VGA which in turn causes my laptop display to power off(?).
>
> Is there a way to disable this? I don't need probing for external
> monitors on every X start. preferably I'd like to not have the
> monitor turn of at all. But I would at least like to prevent it from
> doing it twice.
>
> I'm on a Thinkpad x60s with this graphics controller:
>
> 00:02.0 VGA compatible controller: Intel Corporation Mobile
> 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
> 00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS,
> 943/940GML Express Integrated Graphics Controller (rev 03)
>
> My current xorg.conf is pretty much auto-generated, but looks like
> this: Section "ServerLayout"
> 	Identifier     "X.org Configured"
> 	Screen      0  "Screen0" 0 0
> 	InputDevice    "Mouse0" "CorePointer"
> 	InputDevice    "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "Files"
> 	RgbPath      "/usr/share/X11/rgb"
> 	ModulePath   "/usr/lib/xorg/modules"
> 	FontPath     "/usr/share/fonts/misc/"
> 	FontPath     "/usr/share/fonts/TTF/"
> 	FontPath     "/usr/share/fonts/OTF"
> 	FontPath     "/usr/share/fonts/Type1/"
> 	FontPath     "/usr/share/fonts/100dpi/"
> 	FontPath     "/usr/share/fonts/75dpi/"
> EndSection
>
> Section "Module"
> 	Load  "dbe"
> 	Load  "GLcore"
> 	Load  "glx"
> 	Load  "dri"
> 	Load  "record"
> 	Load  "xtrap"
> 	Load  "extmod"
> 	Load  "freetype"
> 	Load  "type1"
> EndSection
>
> Section "InputDevice"
> 	Identifier  "Keyboard0"
> 	Driver      "kbd"
> 	Option          "CoreKeyboard"
>          Option          "XkbRules"      "xorg"
>          Option          "XkbModel"      "pc105"
>          Option          "XkbLayout"     "dvorak"
> EndSection
>
> Section "InputDevice"
>         Identifier  "Mouse0"
>         Driver      "mouse"
>         Option      "CorePointer"
>         Option      "Device"              "/dev/input/mice"
>         Option      "Protocol"            "ExplorerPS/2"
>         Option      "Emulate3Buttons"     "on"
>         Option      "Emulate3TimeOut"     "50"
>         Option      "EmulateWheel"        "on"
>         Option      "EmulateWheelTimeOut" "200"
>         Option      "EmulateWheelButton"  "2"
>         Option      "YAxisMapping"        "4 5"
>         Option      "XAxisMapping"        "6 7"
>         Option      "ZAxisMapping"        "4 5"
>   EndSection
>
>
> Section "Monitor"
> 	Identifier   "LCD"
> 	VendorName   "LEN"
> 	ModelName    "4000"
> #	Option	    "DPMS"
> EndSection
>
> Section "Device"
> 	Identifier  "Card0"
> 	Driver      "i810"
> 	BusID       "PCI:0:2:0"
>          Option      "MonitorLayout" "CRT,LFP"
>          Option      "FlipPrimary" "true"
>          Option      "LFP" ""
>          Screen      0
> EndSection
>
> Section "Device"
>    Identifier   "External"
>    BusID        "PCI:0:2:0"
>    Driver       "i810"
>    Screen       1
>    Option "Ignore" "True"
> EndSection
>
> Section "Screen"
> 	Identifier "Screen0"
> 	Device     "Card0"
> 	Monitor    "LCD"
> 	SubSection "Display"
> 		Viewport   0 0
> 		Depth     24
> 		Modes	"1024x768"
> 	EndSubSection
> EndSection
>