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Old 12-20-2007, 10:37 AM   #1
vvinuv
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X Server error during linux installation


Hi all
I am trying to install scientific linux on a dell inspiron 1520 laptop. But unfortunately I could not start the X-server. During the installation it shows

Running Anaconda, the Scientific Linux Sistem Installer - please wait
Probing for video card: Intel corporation Mobile Integrated Graphics controller
Attempting to start X Server
Waiting for X Server to start...


Then I installed the linux in the text mode. After installation I tried to start the X-server using startx. But is showing errors

Please help to solve this problem
Thanks
Vinu V
 
Old 12-20-2007, 11:57 AM   #2
weibullguy
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My browser must not be working because I can't see the errors that you got from the X server. They would be in /var/log/Xorg.0.log. Posting the contents of your /etc/X11/xorg.conf file may be helpful too depending on the errors you're getting.
 
Old 12-20-2007, 12:49 PM   #3
vvinuv
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Thank u!. Here is the error I got

X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: Linux 2.6.18-8.1.1.el5xen x86_64 Red Hat, Inc.
Current Operating System: Linux localhost.localdomain 2.6.18-8.1.3.el5 #1 SMP Mon Apr 30 14:35:55 EDT 2007 x86_64
Build Date: 06 April 2007Build ID: xorg-x11-server 1.1.1-48.13.0.1.el5

Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implimented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Fri Dec 21 10:49:37 2007
(==) Using config file: "/etc/X11/xorg.conf"
(EE) VESA(0): No valid modes
(EE) Screen(s) found, but none have usable configuration.

Fatal server error:
no screens found
XIO: fatal IO error 104 (Connection reset by peer) on X server ":0.0"
after 0 requests (0 known processed) with 0 events remaining.\


The xorg.conf is

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "Screen0" 0 0
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 "Emulate3Bttons" "yes"
EndSection

Section "Device"
Identifier "Videocard0"
Driver "vesa"
EndSection

Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
 
Old 12-20-2007, 02:33 PM   #4
weibullguy
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The error is telling you that it found this section but the combination of 16 million colors (Depth 24) and the listed modes don't work.
Code:
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
You could log in as root at create a configuration
Code:
cd ~ && Xorg -configure
Test your new configuration by
Code:
X -config /root/xorg.conf.new
If all is well, you should see a simple black and white pattern. Verify if your mouse works correctly and if the resolution is good. Exit with the Ctrl-Alt-Backspace combo and make this your new configuration file
Code:
cp /root/xorg.conf.new /etc/X11/xorg.conf
You could also try adding adding some more Displays with lower depths so the Screen section looks something like
Code:
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
When the xorg-server fails at 24-bit depth, it will then try each combination in the 16-bit section, etc. until something works (hopefully).

You could try using a different driver by replacing vesa in the Device section. You could try vga or the driver for your actual GPU. Looks like one of the Intel drivers, but I don't know which one.
 
Old 12-20-2007, 09:28 PM   #5
vvinuv
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Thank you very much
Unfortunately these did not work. I tried new configuration, adding more displays and used vga instead of vesa. The video card is Intel corporation Mobile Integrated Graphics controller. I don't know which driver must be used.
 
Old 12-21-2007, 01:27 AM   #6
vvinuv
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SOLVED PROBLEM
I have included the following in the xorg.conf and worked well. this may useful for some other. Thanks for the help

Section "Monitor"
Identifier "LPL0301"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
HorizSync 28.0-96.0
VertRefresh 50.0-75.0
EndSection

Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "LPL0301"
SubSection "Display"
Viewport 0 0
Depth 1
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 4
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 8
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 15
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 16
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1280x800" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
 
Old 12-21-2007, 06:16 AM   #7
weibullguy
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Duh...I didn't even notice the Monitor section was missing!
 
  


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