[olug] Wierdness with iptables amd compiling the kernel. (continued)

[Jonathan Warren]

On Wed, Aug 14, 2002 at 09:15:16PM -0500, Don Kauffman wrote:
> Sorry about my incomplete earlier message. I clicked send when I wanted 
> to do something else . . . .
> 
> I have some wierdness going on between  the 2.4.7-10 kernel and the 
> 2.4.9-34 kernel (from RedHat) and IPtables. (netfilter) I'm off the net 
> with the Linux box until I get this figured out  I have an idea thie all 
> might have to do with the System.map but I'm not sure. So, here goes an 
> attempt to express this well enough to get some help! [:-)]
> 
> 1. I compiled the 2.4.9-34 kernel using the configuration file I saved 
> from when I configured and compiled the 2.4.7 version. I compiled all of 
> netfilter as part of the kernel instead of as a module.
> 
> 2. When I run my IPtables firewall shell script with 2.4.9, I get the 
> following (for example):
> /lib/modules/2.4.7-10/kernel/net/ipv4/netfilter/ip_tables.o: 
> init_module: Device or resource busy
> Hint: insmod errors can be caused by incorrect module parameters, 
> including invalid IO or IRQ parameters
> /lib/modules/2.4.7-10/kernel/net/ipv4/netfilter/ip_tables.o: insmod 
> /lib/modules/2.4.7-10/kernel/net/ipv4/netfilter/ip_tables.o failed
> /lib/modules/2.4.7-10/kernel/net/ipv4/netfilter/ip_tables.o: insmod 
> ip_tables failed
> iptables v1.2.4: can't initialize iptables table `filter': iptables who? 
> (do you need to insmod?)
> Perhaps iptables or your kernel needs to be upgraded.
> 
> 3. Having already installed iptables as part of the kernel, why would I 
> then need to insmod???? I also wonder if the 2.4.7 modules aren't 
> getting in the way here?

yeah I don't think it is part of the kernel.  

> 
> 4. When I use the 2.4.7 version that I compiled, it tells me that 
> iptables not found and I KNW that shouldn't be because I compiled it 
> with IPTABLES support. It used to work but doesn't since I compilled the 
> 2.4.9 version??????
cd /usr/src/linux;make modules ; make modules_install
> 
> 4. I checked /lib/ and I don't have a modules-2.4.9* library. Problem? 
> Do I create it myself? It seems like  the compilation of the kernel 
> should do it for me
cd /usr/src/linux;make modules ; make modules_install
> 
> 5. What is  the purpose of System.map? I can't find anything in my 
> documentation that gives any indication of its funstion,
I have never had System.map cause any problems and I have had it pretty out of whach with the running kernel.  I wouldn't spend too much time looking at that.  Make sure your modules got configured and installed.
> 
> If anyone has answers to the above questions or knows how to get them, 
> I'd really appreciate some feedback!
> 
> Thanks!
> 
> -- 
> Don Kauffman
> Email: mailto:dkauffman at tconl.com
> ---------------------------------
> I know God won't give me anything I can't handle.  
> I just wish God didn't trust me so much. 
> 
> 
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