xwindows question

[destro]

hi there i'm relatively new to linux and i am using redhat 7.2 .i wish to have 3d rendering but for some reason with a radeon 64 meg open gl is not enabled.i have a via chipset and i know there is a line i need to add ,insmod agpgart agp_try_unsupported=1
Now my problem is when i quit the x interface and go to command line prompt i log in as root,i then typ the insmod as above it says loaded ,then i type startx and it gives me an error sayin that the x server is already running.so i guess my question is basically this how do i get around this problem?
thanks for any responses ,and sorry if its a dumb question but i'm determined to learn linux so i can move away from using the evil empires OS micro$oft
:)

[mangeli]

I'm not sure I understand you, but if you're logged in as a regular user, and you SU to root, you cannot open an X session. The way to do this is to log in as a regular user and in the GUI open an xterm or eterm or aterm or whatever. Then su to root.

However, I think the problem with the OpenGl is that you need the MESA libs installed.

[bdg1983]

I have agpgart in /etc/modules/.default and

alias char-major-10-175 agpgart
pre-install mga modprobe "-k" "agpgart"
options agpgart agp_try_unsupported=1

in /etc/modules.conf

Actually my agpgart is in

/etc/modules/2.4.13/#1 Fri Oct 26 14:33:17 EDT 2001.default

though other may just use /etc/modules/.default

[destro]

ok to be more clear,i hit ctrl alt f1 to quit x.i then login as root.after i log in as root i use, insmod agpgart agp_try_unsupported=1

i then load insmod radeon
i then type exit
i login as root again and type startx then i get an error sayin x server is already running,how do i fix this ?

and thanks for the fast responses i'm at work right now lol and want as much info as possible before i get home and start tryin to tweak this system. thank u all

[Ksmith- Tx]

ok MESA libs how this might pretain to me also... i have Radeon 64 also

[Linuxcool]

' ctrl alt f1 ' doesn't terminate x. It just switches you to a virtual console. ' ctrl alt backspace ' will terminate x. Then you can ' ctrl alt f1 ' to the console and do whatever you want and then run ' startx ' again.

[destro]

thank u very much ur help is greatly appreciated.i look forward to seeing how linux works