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Re: Xorg -configure fails with "created screens does not match number of detected devices"

On 02-04-2015 20:06, Floris wrote:
Op Thu, 02 Apr 2015 12:32:48 +0200 schreef venkat <venkat.s@vortexindia.co.in>:

Looks good. The right driver is used.

Add a Screen and Monitor selection to the Xorg.conf

Section "Screen"
  Identifier "Screen0"
  Device "gma500_gfx"
  Monitor "Monitor0"

Section "Monitor"
  Identifier "Monitor0"
  VendorName "Monitor Vendor"
  ModelName "Monitor Model"

The system boots but when GDM starts i just see a blank screen..

Switch back to tty1, kill gdm and start the X server with startx

Yes i tried that and i get an error: no screens found

[    21.958] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[    21.959] (II) Module modesetting: vendor="X.Org Foundation"
[    21.959]     compiled for, module version = 0.3.0
[    21.959]     Module class: X.Org Video Driver
[    21.959]     ABI class: X.Org Video Driver, version 12.0
[    21.959] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[    21.959] (++) using VT number 8

[    21.967] (WW) Falling back to old probe method for modesetting
[    21.967] (II) UnloadModule: "modesetting"
[    21.967] (EE) Screen(s) found, but none have a usable configuration.
[    21.967]
Fatal server error:
[    21.967] no screens found
[    21.967]
Please consult the The X.Org Foundation support
     at http://wiki.x.org
 for help.
There are a lot of trial and error stories about the gma500 module.
An other possible solution. add
Option "IgnoreACPI" "yes"
to the device section of your xorg.conf



Tried various options today and finally modified xorg.conf with below settings made my X server start with multiple displays enabled.

Section "Device"
  Identifier "Intel GMA3600"
  Driver "modesetting"
  BusID "PCI: 0: 2: 0
  Option "Monitor-DVI-0" "DVI screen"
  Option "Monitor-VGA-0" "VGA screen"
Section "Monitor"
  Identifier "DVI screen"
Section "Monitor"
  Identifier "VGA screen"

However, i notice that the display is not smooth. Even, when i traverse to from one menu to other i see it so shaky. Right now fighting to fix that.
 Need some guidance


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