modversion issue on redhat 9

Jun Sun jsun at junsun.net
Wed Aug 27 13:02:15 EDT 2003


On Wed, Aug 27, 2003 at 06:12:17PM +1000, Ryan Abbenhuys wrote:
> Hostap installs perfectly for me under Redhat9 using pcmcia-cs-3.2.4 and
> kernel 2.4.21
> No unresolved symbols or errors.  HostAP appears to function fine, it's just
> that I have no Tx-Power settings or ability to alter it.
>

My report is only applicable to the original kernel that comes with
RedHat CD.

After you re-configure and re-compile the kernel, or even upgrade
the kernel through rpms, things can be quite different.  IIRC, earlier
RH kernels (such as 7.x) don't use MODVERSIONS.  That is probably why I
did not notice this problem.

Jun

> 
> ----- Original Message ----- 
> From: "Jun Sun" <jsun at junsun.net>
> To: <hostap at shmoo.com>
> Sent: Wednesday, August 27, 2003 4:03 PM
> Subject: modversion issue on redhat 9
> 
> 
> > I am surprised that nobody has reported this problem before.
> >
> > Basically if you compile hostap modules for a redhat 9 box, you
> > will end up many unresolved kernel symbols when you install the modules.
> >
> > The problem is that hostap would include linux/modversions.h file ahead
> > of all other header files, but in reality this file needs to be included
> > after linux/rhconfig.h file because many #ifdef's used there.
> >
> > I attached a quick hack here which makes thing work.  I suspect
> > the true fix is in linux/modversions.h, which should include
> > linux/rhconfig.h
> >
> > Jun
> >
> >
> 
> 
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> ----
> 
> 
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