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<HTML
><HEAD
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>Down to business</TITLE
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>i810 with XFree86 4.x HOWTO</TH
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><A
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>Prev</A
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><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="AEN26"
>2. Down to business</A
></H1
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>Do everything that follows logged on as root.</P
></BLOCKQUOTE
></DIV
><P
>There are three distinct stages that need <EM
>not</EM
> be followed
in the order listed here (please feel free to use your imagination). Said
stages are;</P
><P
></P
><UL
><LI
STYLE="list-style-type: disc"
><P
>get and install X4.x</P
></LI
><LI
STYLE="list-style-type: disc"
><P
>get and compile kernel 2.2.18 or 2.4.x (including mknod agpgart stuff)</P
></LI
><LI
STYLE="list-style-type: disc"
><P
>nimbly tweak XF86Config</P
></LI
></UL
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN40"
>2.1. Getting and installing X4.x</A
></H2
><P
>The first stage is of course listed only as a guide for those who have perhaps
tried getting XFree86 3.3.6 working with the i810 and failed, or perhaps those
who have not even heard that X4.x supports the i810 and have been struggling
vainly with their <TT
CLASS="FILENAME"
>XF86Config</TT
> file. I
suppose the majority of people who find these instructions useful will have
already loaded X4.x. You lot can skip this bit. Anyway, if you do need to
know, X4.x can be got from; <A
HREF="ftp://ftp.xfree86.org/pub/XFree86/4.0/binaries"
TARGET="_top"
>ftp://ftp.xfree86.org/pub/XFree86/4.0/binaries</A
></P
><P
>But before you rush ahead and download away you must first be sure which
version of X4.x suits your system. So download <TT
CLASS="FILENAME"
>Xinstall.sh</TT
> on its own and run (from within the
folder containing <TT
CLASS="FILENAME"
>Xinstall.sh</TT
>):&#13;</P
><P
><TT
CLASS="USERINPUT"
><B
>sh Xinstall.sh -check</B
></TT
></P
><P
>The results will direct you to the correct folder within the above mentioned
URL from where the appropriate files for your system can be downloaded.</P
><P
>For a basic installation and to save time downloading one needs only the
following absolute necessities, without exception (the others are optional and
when included in the install process, I feel, increase the chances of things
going wrong for the unwary and inexperienced):
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="FILENAME"
>extract[.exe]</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xdoc.tgz</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xvar.tgz</TT
></TD
></TR
><TR
><TD
><TT
CLASS="FILENAME"
>Xbin.tgz</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xfenc.tgz</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xxserv.tgz</TT
></TD
></TR
><TR
><TD
><TT
CLASS="FILENAME"
>Xlib.tgz</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xfnts.tgz</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xmod.tgz</TT
></TD
></TR
><TR
><TD
><TT
CLASS="FILENAME"
>Xman.tgz</TT
></TD
><TD
><TT
CLASS="FILENAME"
>Xetc.tgz</TT
></TD
><TD
>&nbsp;</TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>Now knowing which set of files are suited to your system you can go ahead and
download whichever suits. Then install with the following command (from within
the folder containing freshly downloaded files):&#13;</P
><P
><TT
CLASS="USERINPUT"
><B
>sh Xinstall.sh</B
></TT
></P
><P
>If you have been good everything will proceed smoothly. You will be asked some
questions which the README file can explain/answer better than I. If something
doesn't work as expected I refer you to the far more detailed, aforementioned
README file, which you should definitely peruse. As a newbie I always read the
readme files before downloading, installing, compiling and even getting up
from my seat to go to the toilette. You can never be too sure.</P
><P
>That is the end of this stage.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN80"
>2.2. Get and compile kernel 2.2.18 or 2.4.x (including mknod agpgart
stuff)</A
></H2
><P
>You can get either kernel from <A
HREF="ftp://ftp.kernel.com"
TARGET="_top"
>ftp://ftp.kernel.com</A
>. Of
course, read everything called README while you are at it. (In the README
literature that comes with the 2.4.x kernel, there is an important note about
where to unpack the source. Make sure you read it.) Put the kernel source file
in <TT
CLASS="FILENAME"
>/usr/src/kernels</TT
>, and
then run the following compile sequence, which I learned from a linuxnewbie
article (to which you should refer if my directions are not clear enough for
you, however it is specific to 2.2.x kernels). It can be found at the following address; <A
HREF="http://www.linuxnewbie.org/nfh/intel/compiling/kernel_update.html"
TARGET="_top"
>http://www.linuxnewbie.org/nfh/intel/compiling/kernel_update.html</A
>.
Of course, the location of the still-packed kernel is not really relevant, it
only matters that it is unpacked to an acceptable location. OK, now for the
commands:</P
><P
><TT
CLASS="USERINPUT"
><B
>tar -xzvf /usr/src/kernels/linux-2.4.x.tar.gz</B
></TT
></P
><P
>or if you downloaded the better compressed bz2 version</P
><P
><TT
CLASS="USERINPUT"
><B
>bzcat /usr/src/kernels/linux-2.4.x.tar.bz2 | tar xv</B
></TT
></P
><P
>and watch the screen spew out pages of information about what's happening.
When it is finished it will have created a new <TT
CLASS="FILENAME"
>linux</TT
> folder.</P
><P
>OK, so, change to the new directory:</P
><P
><TT
CLASS="USERINPUT"
><B
>cd linux</B
></TT
></P
><P
>and begin the compile process proper...</P
><P
><TT
CLASS="USERINPUT"
><B
>make config</B
></TT
></P
><P
><EM
>Or preferably</EM
></P
><P
><TT
CLASS="USERINPUT"
><B
>make menuconfig</B
></TT
></P
><P
>There's also <B
CLASS="COMMAND"
>make xconfig</B
>, but you haven't got X running,
or you wouldn't be reading this. So that won't work. And I'm embarrassed to
mention it in such an imperfect fashion but there is also something like
<B
CLASS="COMMAND"
>make oldconfig</B
> but I can't find any reference to it in my
books. In any case I am not addressing it here, though I am sure the procedure
for it is very similar to that which follows for <B
CLASS="COMMAND"
>make
menuconfig</B
>, should you be awkward and want to use it.</P
><P
>Now, I have gone through three text based kernel compiles (<B
CLASS="COMMAND"
>make
config</B
>) and know how long winded they are. I reommend <B
CLASS="COMMAND"
>make
menuconfig</B
> instead, which requires only that ncurses be loaded (you
don't need X) and you will be taken through the pretty face of kernel
recompilation. I loaded ncurses during a custom install of Red Hat 6.1, but I
forget exactly at which stage that option is available. Otherwise ncurses is,
I'm sure, on your distro's CD in rpm format, so if issuing <B
CLASS="COMMAND"
>make
menuconfig</B
> just produces errors, install ncurses and try
again.</P
><P
>The most relevant stages of the <B
CLASS="COMMAND"
>make</B
> process for solving
our particular problem are:</P
><P
></P
><UL
><LI
STYLE="list-style-type: disc"
><P
>to select EXPERIMENTAL early on (by hitting return while the very first option
is highlighted and then selecting the only suboption which is consequently
revealed),</P
></LI
><LI
STYLE="list-style-type: disc"
><P
>towards the bottom of the base options, to enter "Character Devices" and
select (not as "M" but as "*") "/dev/agpgart (AGP) support" (only available if
the above instruction has been followed), and</P
></LI
><LI
STYLE="list-style-type: disc"
><P
>select the appropriate sub-option of "/dev/agpgart (AGP) support" (again not
as a module "M" but as a static part of the kernel "*"), namely the "I810/I810
dc100I810e support" part.</P
></LI
></UL
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>The above explanation assumes you have run <B
CLASS="COMMAND"
>make menuconfig</B
>
and so a little thinkology will be required to map it to a situation where
<B
CLASS="COMMAND"
>make</B
> has been issued instead. But only a little.</P
></BLOCKQUOTE
></DIV
><P
>(It has been pointed out to me that loading these features as modules would be
more logical, since they are not required until <B
CLASS="COMMAND"
>startx</B
> is
run. I have not tried the 'loadable module way' yet and will ammend this
section of the HOWTO after I have tested it. I recommend the static mode here
because I ran this procedure on a test version of the 2.4.x kernel and it was
suggested to me that loading statically was a safer and stabler way to go. Now
that 2.4.x is officially out there, perhaps modules will be more sensible.
I'll let you know how it goes. (Thanks to Heron Ordonez for this.))</P
><P
>When all is over and you feel calm enough, do this;
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>make dep</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>make clean</B
></TT
> (not violently necessary but does no
harm)</TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>make bzImage</B
></TT
> (takes a while, this bit)</TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>make modules</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>make modules_install</B
></TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>Now have a look at the <TT
CLASS="FILENAME"
>/boot</TT
> directory.
You will probably see that <TT
CLASS="FILENAME"
>System.map</TT
> is
a symbolic link to <TT
CLASS="FILENAME"
>System.map-[your_kernel_version]</TT
> and <TT
CLASS="FILENAME"
>vmlinuz</TT
> is a symbolic link to <TT
CLASS="FILENAME"
>vmlinuz-[your_kernel_version]</TT
>. This arrangement is
true for many distros, but not all. I think some store <TT
CLASS="FILENAME"
>vmlinuz</TT
> in <TT
CLASS="FILENAME"
>/</TT
>,
while <TT
CLASS="FILENAME"
>System.map</TT
> resides in <TT
CLASS="FILENAME"
>/boot</TT
>. Whatever the case is, use your brain and
apply these instructions accordingly. So, basically you need to remove the
symbolic links like so:
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>rm System.map</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>rm vmlinuz</B
></TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>Then new symbolic links need to be created to the
about-to-be-copied-over-while-simultaneously-being-renamed, recently created
files. It goes like this (assuming you have an i386 computer):
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>cp /usr/src/kernels/linux/arch/i386/boot/bzImage
/boot/vmlinuz-2.4.x</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>ln -s /boot/vmlinuz-2.4.x
/boot/vmlinuz</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>cp /usr/src/kernels/linux/System.map
/boot/System.map-2.4.x</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>ln -s /boot/System.map-2.4.x
/boot/System.map</B
></TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><DIV
CLASS="TIP"
><BLOCKQUOTE
CLASS="TIP"
><P
><B
>Tip: </B
>You don't need to use absolute pathnames if you are in <TT
CLASS="FILENAME"
>/boot</TT
>. But if you are the excessively cautious type
and do use absolute pathnames, you just have longer names for your symbolic
files. In fact the whole symbolic link thing here is only necessary if
you want to play it that way. Essentially, minimalistically, you can have
one kernel called <TT
CLASS="FILENAME"
>vmlinuz</TT
>
and name all the others by their version number (or just trash them!), and swap
all the names around when you want to boot another kernel. Or give each kernel a unique
name, and have one entry per kernel in <TT
CLASS="FILENAME"
>/etc/lilo.conf</TT
>.
It's up to you.</P
></BLOCKQUOTE
></DIV
><P
>Now you need to edit <TT
CLASS="FILENAME"
>/etc/lilo.conf</TT
>.
This is achieved thusly:
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>image=/boot/vmlinuz</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>label=[what-ever-you-want-that-is-relevant-easy-to-type-and-remember]</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>read-only</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>root=/dev/hda[n]</TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>After editing <TT
CLASS="FILENAME"
>lilo.conf</TT
> you must do this:</P
><P
><TT
CLASS="USERINPUT"
><B
>/sbin/lilo</B
></TT
></P
><P
>so that the crisp, shiny, new linux kernel be made known to lilo, otherwise (I
have experienced this) the new kernel will not be available for booting. Which
would be silly. So after all this take a deep breath and reboot, select your
new kernel and with fingers crossed, watch. It should work. If it does, go and
celebrate a little. But don't let it get to your head because you have yet to
mknod the agpgart module, a simple yet essential procedure done thusly:
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>cd /dev</B
></TT
></TD
></TR
><TR
><TD
><TT
CLASS="USERINPUT"
><B
>mknod agpgart c 10 175</B
></TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>which basically creates the very essential character device (X won't run
without it) driver which acts kinda like a 'go-between' for the i810 chipset
and the X server. (Thanks to Heron Ordonez for saving me some embarrassment
here.) Pretty scientic stuff. Sorry about that.</P
><P
>That was the end of this stage.</P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN192"
>2.3. Nimbly tweak XF86Config</A
></H2
><P
>I've done a lot of this and it get's mighty tedious when it fails 23 times in
a row I CAN TELL YOU, so pay attention and read very closely the man page (run
<TT
CLASS="USERINPUT"
><B
>man XF86Config</B
></TT
> at the command prompt). First of all I
recommend running the in-no-way-user-friendly <B
CLASS="COMMAND"
>xf86config</B
>
(<EM
>observe case!</EM
>) to genertate a base <TT
CLASS="FILENAME"
>XF86Config</TT
> file as the other tools seem to produce
<TT
CLASS="FILENAME"
>XF86Config</TT
> files which are in my
experience incompatible with X4.x. When you run through the questions
<B
CLASS="COMMAND"
>xf86config</B
> asks and you reach the card section, there will
be nothing for you to choose, so choose that very nothing. You'll be entering
the right stuff later, after the base file has been created. Then, after
answering all the questions as well as you can, save the file as <TT
CLASS="FILENAME"
>/etc/X11/XF86Config</TT
>.</P
><P
> So, finally, the all important addition is:
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>Section "Device"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Identifier "i810"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Driver "i810"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> VideoRam "4096"</TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>and it should be inserted in the Graphics Device Section. There should in any
case be an existing "Device" section which you could edit if you prefer. From
thereon you should, having defined the i810 for X, enter "i810" wherever you
see a "Device" field. I am including a couple of sections from my <TT
CLASS="FILENAME"
>XF86Config</TT
> file as an example, and hopefully to
make a little clearer what I mean:
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>Section "Device"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Identifier "i810"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Driver "i810"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> VideoRam "4096"</TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
><P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>Section "Screen"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Identifier "Screen 1"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Device "i810"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Monitor "Highscreen
17inch"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> DefaultColorDepth 24</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> SubSection "Display"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Depth 8</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Modes "1024x768"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> EndSubSection</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> SubSection "Display"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Depth 15</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Modes "1024x768"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> EndSubSection</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> SubSection "Display"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Depth 16</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Modes "1024x768"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> EndSubSection</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> SubSection "Display"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Depth 24</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Modes "1024x768"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> EndSubSection</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> SubSection "Display"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Depth 32</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Modes "1024x768"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> EndSubSection</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
>EndSection</TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><DIV
CLASS="WARNING"
><P
></P
><TABLE
CLASS="WARNING"
BORDER="1"
WIDTH="100%"
><TR
><TD
ALIGN="CENTER"
><B
>Warning</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>As you can see I have only given X the option of "1024x768", and have a
default colour depth of 24 bits, because I like it that way, and the i810 can
easily cope with that resolution and depth on my 17" monitor. How that would
work on a 21" I do not know. Experimentation will teach you.</P
></TD
></TR
></TABLE
></DIV
><P
>I am going to be boring and say it again, but a more complete understanding
than I can give here of the mysteries of the <TT
CLASS="FILENAME"
>XF86Config</TT
> file can be achieved by closely reading
the man page (see above). This is really important if you want to have a
chance of solving any problems that are bound to come up now and again, that
have not been covered here.</P
><P
>That should do it. Now save <TT
CLASS="FILENAME"
>XF86Config</TT
>
and run:</P
><P
><TT
CLASS="USERINPUT"
><B
>startx</B
></TT
></P
><P
>It should work. It did for me. You will be happy. If not contact me at
<TT
CLASS="EMAIL"
>&#60;<A
HREF="mailto:trussl@hotmail.com"
>trussl@hotmail.com</A
>&#62;</TT
> and I will endeavour to help you.</P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>This is a kind of a p.s. to this section but may be helpful. I had a wee
problem when going through the XF86Config part of this HOWTO during a test
run. It stemmed from having read but not fully understood some blurb about the
i810 and X4.x not working at all resolutions with a buffer extension (or
something like that). Anyway, I made no notes about this and cannot therefore
remember exactly what I read. Because I remember this vaguely I can only say
the following with certainty; you need the following stanza at the beginning
of your <TT
CLASS="FILENAME"
>XF86Config</TT
> file:
<P
></P
><TABLE
BORDER="0"
><TBODY
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
># This loads the DBE extension
module</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Load "dbe" # Double buffer
extension</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
># This loads the miscellaneous extensions module, and
disables </TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
># initialisation of the XFree86-DGA extension within
that module.</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> SubSection "extmod"</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> Option "omit xfree86-dga" # don't initialise the
DGA extension</TT
></TD
></TR
><TR
><TD
><TT
CLASS="COMPUTEROUTPUT"
> EndSubSection</TT
></TD
></TR
></TBODY
></TABLE
><P
></P
></P
><P
>So if X reports errors about a "shape extender" or "shape extension", you may
well find that your <TT
CLASS="FILENAME"
>XF86Config</TT
> file is
missing the above listed stanza.</P
></BLOCKQUOTE
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