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Adding new e1000 driver to pxe initrd

Adding new e1000 driver to pxe initrd

2003-09-27       - By Randy Tidd

 Back
Hi,

I'm attempting to add a newer version of e1000.o and e100.o to the
initrd.img included in the /images/pxeboot directory of the Redhat 8.0
CD1.  I have hardware which requires the use of the newer driver and
also have a need to use the default RH 8.0 kernel.

I have successfully added my compiled versions of e1000.o and e100.o to
the initrd.img, and have updated the pcitables to recognize my new
hardware, but get symbol errors when the driver loads so I suspect I
have a problem in the way that I compile the driver.


I have a fresh install of Redhat 8.0 that I am attempting to compile the
e1000 and e100 source from.  I do the following:

In the 2.4.18-14 source tree , I copy configs/2.4.18-14-i386-BOOT to
.config and do a make clean dep.  

Once that completes I modify include/linux/version.h to return
2.4.18-14BOOT when compiling the drivers so the module won't fail to
load simply because the kernel versions do not match.

I then enter the e1000 source and the e100 source and do a make to
compile the module.  Both modules compile without error.  

However after adding them to the initrd.img and booting from the
network, I see symbol errors when the modules are loaded.

Can anyone point out what I'm doing wrong here?  Any tips welcome.

Thanks,

-Randy

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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I&#8217;m attempting to add a newer version of e1000.o and
e100.o to the <span class=SpellE>initrd.img</span> included in the /images/<span
class=SpellE>pxeboot</span> directory of the <span class=SpellE>Redhat</span>
8.0 CD1.<span style='mso-spacerun:yes'>&nbsp; </span>I have hardware which
requires the use of the newer driver and also have a need to use the default RH
8.0 kernel.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have successfully added my compiled versions of e1000.o
and e100.o to the <span class=SpellE>initrd.img</span>, and have updated the
<span
class=SpellE>pcitables</span> to recognize my new hardware, but get symbol
errors when the driver loads so I suspect I have a problem in the way that I
compile the driver.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have a fresh install of <span class=SpellE>Redhat</span>
8.0 that I am attempting to compile the e1000 and e100 source from. <span
style='mso-spacerun:yes'>&nbsp;</span>I do the following:<o:p></o:p></span><
/font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>In the 2.4.18-14 source <span class=GramE>tree ,</span> I
copy configs/2.4.18-14-i386-BOOT to .<span class=SpellE>config</span> and do a
make clean dep.<span style='mso-spacerun:yes'>&nbsp; </span><o:p></o:p></span><
/font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Once that completes I modify include/<span class=SpellE
>linux/version.h</span>
to return 2.4.18-14BOOT when compiling the drivers so the module won&#8217;t
fail to load simply because the kernel versions do not match.<o:p></o:p></span>
</font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I then enter the e1000 source and the e100 source and do a
make to compile the module.<span style='mso-spacerun:yes'>&nbsp; </span>Both
modules compile without error.<span style='mso-spacerun:yes'>&nbsp; </span><o:p
></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>However after adding them to the <span class=SpellE>initrd
.img</span>
and booting from the network, I see symbol errors when the modules are loaded.
<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can anyone point out what I&#8217;m doing wrong here?<span
style='mso-spacerun:yes'>&nbsp; </span>Any tips welcome.<o:p></o:p></span><
/font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-Randy<o:p></o:p></span></font></p>

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