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As far as I can see, the Xorg.0.log doesn't show any remarkable issues. So the problem seems to be the loginmanager gdm. You may try to reinstall gdm when booting with the Live-USB-drive. Maybe this fixes any problems with the configuration.
And read the documentation for your system, google for "Ubuntut login" or "Ubuntu gdm configuration".
I hope this helps.
Sir,what will this command do(sudo apt-get install Desktop).Will it be able to solve my problem.Also if we login using usb and install any package wouldn't it be installed in os which is in usbdrive.
If you booted the system from a usb stick, the '/' is the root of the USB system, in ram, this is NOT the root system when booted from the hard drive.
The hard drive will have to be mounted to the USB's file system, probably at /mnt/yourharddrive or /media/yourharddrive.
So, the log file you posted shows no errors because this is the one created during a successful boot from the USB stick. Some systems will automount any found HD partitions, some will not. You may have do a manual mount to see the failing Xorg.0.log file.
Have another look, and post the file again.
Sir when i booted with usb,I looked at the panel which contained 'places' ,clicked to open the list there i found all my partitions whether windows or ubuntu present.So I mounted the partition which I knew had the file system of ubuntu(in hardisk).Still I will check the again.
But the last lines of the Xorg.0.log file shows that the modules for touchpad etc are being unloaded. So I thought that this logfile belongs to a system which already went down, whereas the booted Live-USB is still running and the modules would not yet be unloaded.
Sir,my touch pad had issues.It didn't automatically I mean i had to press fn-f8 to make it work every time i logged in.
Well, the remarkable message at the end of this logfile is
Fatal server error:
xf86OpenConsole: VT_WAITACTIVE failed: Interrupted system call
this seems to be a known bug in the Xorg-server.
So,what should I do,other than formating.Sir can you tell me, of the two files which is the newest and currently working.thanks alot for your support.should I reconfigure my Xorg file? If yes, please do me a favor of posting the procedure.
to be clear, the Xorg.0.log and Xorg.1.log are logfiles, as their names say. This files are created by the program "X-server" in order to inform the user whats going on in the system.
So you cannot configure anything in a logfile. Otherwise we don't know what's going wrong with your system. And You don't know exactly what you have done before the problem occured (if/which files or packages you uninstalled by mistake).
Well, if you want to reinstall your whole system, you can leave the home-directory as it is, but backup your data anyway.
You may otherwise post in the Ubuntuforums, maybe there is someone who knows this issue already.
And what can happen is, that after a reinstallation the problem remains, which would show us, that it is a configurationproblem anywhere in your /home directory. If you could enter your system, I'd recommend to add a new user and find out if your issue is also relevant for the new user, but since you are not able to login, I'll guess you'll have to reinstall the system.
Last edited by markush; 01-07-2011 at 03:08 AM.
Then I guess I'll have to do a fresh install.Sir i have windows7 installed how should I install ubuntu so that my windows don't get effected in any way.Also suggest me some books(easy to understand) through which I can understand linux.Thanks
Well, if Windows is already installed, Ubuntu will recognize it and integrate it to the bootloader automatically. It is always important that Windows is installed before Linux since Windows cannot recognize Linux-systems.