Re: insmod segfault in pci_find_subsys()

[Toralf Lund <toralf@procaptura.com>]

Greg KH wrote:

> On Tue, Mar 29, 2005 at 04:15:37PM +0200, Toralf Lund wrote:
>  
>
> > Greg KH wrote:
> >
> >    
> >
> > > On Fri, Mar 18, 2005 at 10:12:05AM +0100, Toralf Lund wrote:
> > >
> > >
> > >      
> > >
> > > > Am I seeing an issue with the PCI functions here, or is it just that I 
> > > > fail to spot an obvious mistake in the module itself?
> > > >  
> > > >
> > > >        
> > > I think it's a problem in your code.  I built and ran the following
> > > example module just fine (based on your example, which wasn't the
> > > smallest or cleanest...), with no oops.  Does this code work for you?
> > >
> > >
> > >      
> > OK, I've finally been able to test this, and no, it does not work. 
> > insmod segfaults and the system log says
> >
> > kernel: Unable to handle kernel paging request at virtual address 533e3762
> >    
>
> Then I think you have a broken build system or makefile or gcc.  It
> works fine here.
>  
Yes. You are right. I actually mentioned this on a different thread: I 
eventually found out that the kernel was compiled with -mregparam=3, and 
the module was not. This option seems to have been added to the default 
config and/or Red Hat's build setup sometime before the current kernel 
release, but after the start of the 2.6 series...

- Toralf

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