> On Sun, 9 Apr 2006 22:05:33 -0400 (EDT) George P Nychis wrote:
>
>>
>>> On Sun, 9 Apr 2006 13:37:25 -0400 (EDT) George P Nychis wrote:
>>>
>>>> Thanks for the help.
>>>>
>>>> Here is the makefile: http://rafb.net/paste/results/auchPH75.html
>>>>
>>>> And here is the full errors I receive:
>>>> http://rafb.net/paste/results/Qplpqw74.html
>>>>
>>>> Greatly appreciate it
>>>>
>>>> - George
>>>
>>> [repeat: please don't top-post]
>>>
>>> I don't know how much I can help you. It's been a long time since
>>> I've built external modules on 2.4.x.
>>>
>>> Problems that I see: - the Makefile does not use the expected 2.4
>>> kernel build infrastructure; - kernel Makefile uses -nostdinc to
>>> prevent use of userspace headers; - Makefile is trying to include
>>> userspace headers instead of kernel headers, e.g.: In file included
>>> from /usr/include/linux/if_ether.h:107, from
>>> /usr/include/linux/netdevice.h:29, from sch_xcp.c:8: - this specified
>>> include directory is only in 2.6.x, not 2.4.x: -I/lib/modules/`uname
>>> -r`/build/include/asm/mach-default
>>>
>>> It's not clear to me how this makefile could work with 2.4.x at all.
>>> Is it supposed to, or that's just what you want to see it do?
>>>
>>> You could try to fix the Makefile based on makefile-changes articles
>>> at lwn.net. E.g.: http://lwn.net/Articles/151784/
>>> http://lwn.net/Articles/79984/ http://lwn.net/Articles/74767/
>>> http://lwn.net/Articles/69148/ http://lwn.net/Articles/21823/
>>>
>>>
>>>
>>>>> On Sat, 8 Apr 2006 19:18:47 -0400 (EDT) George P Nychis wrote:
>>>>>
>>>>>> Yeah, this module is unfortunately not under the GPL, it was
>>>>>> made for research and i am not the author, I was only given the
>>>>>> code for my own research.
>>>>>>
>>>>>> I enabled that support in the kernel, and then tried to
>>>>>> recompile and get tons of errors/warnings... so maybe I am
>>>>>> missing something else to be enabled in the kernel... here are a
>>>>>> few examples of errors: /usr/include/linux/skbuff.h:30:26:
>>>>>> net/checksum.h: No such file or directory
>>>>>> /usr/include/asm/irq.h:16:25: irq_vectors.h: No such file or
>>>>>> directory /usr/include/linux/irq.h:72: error: `NR_IRQS'
>>>>>> undeclared here (not in a function)
>>>>>> /usr/include/asm/hw_irq.h:28: error: `NR_IRQ_VECTORS' undeclared
>>>>>> here (not in a function)
>>>>>>
>>>>>> I think those are the top most errors, so if i can fix those
>>>>>> hopefully the rest shall vanish!
>>>>>
>>>>> Looks like a Makefile problem then. Can you post the Makefile?
>>>>> Hopefully it is using a Makefile and not just an elaborate gcc
>>>>> command line.
>>>>>
>>>>> [and please don't top-post]
>>>>>
>>>>>> - George
>>>>>>
>>>>>>
>>>>>>> From: "George P Nychis" <[email protected]> Date: Sat, 8 Apr
>>>>>>> 2006 18:47:34 -0400 (EDT)
>>>>>>>
>>>>>>>> Hey,
>>>>>>>>
>>>>>>>> I have a kernel module that uses unregister_qdisc and
>>>>>>>> register_qdisc, whenever i try to insert the module I get:
>>>>>>>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o:
>>>>>>>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o: unresolved
>>>>>>>> symbol unregister_qdisc
>>>>>>>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o:
>>>>>>>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o: unresolved
>>>>>>>> symbol register_qdisc
>>>>>>>>
>>>>>>>> Am i missing some sort of support in the kernel?
>>>>>>>
>>>>>>> Make sure CONFIG_NET_SCHED is enabled and that you compiled
>>>>>>> your module against that kernel.
>>>>>>>
>>>>>>> Where does this sch_xcp come from? It's not in the vanilla
>>>>>>> sources.
>>>>>>>
>>>>>>> Also, please direct networking questions to the
>>>>>>> [email protected] mailing list which I have added to the
>>>>>>> CC:.
>>>
>>> --- ~Randy
>>>
>>>
>>
>> By the way, if I add -I/usr/src/linux/include to the compile line, it
>> successfully compiles, however, i am back to the start: lanthanum-ini
>> src-1.0.1 # insmod sch_xcp Using
>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o
>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o:
>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o: unresolved symbol
>> unregister_qdisc /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o:
>> /lib/modules/2.4.32/kernel/net/sched/sch_xcp.o: unresolved symbol
>> register_qdisc
>
> Yet your 2.4.32 kernel image file does have those symbols in it? Can you
> verify that by using 'nm' on the kernel image file?
>
> If so, then I suppose that you'll need to make a small module test case
> that exhibits this behavior, or just tell us where to get the sch_xcp
> files...
>
> (re-added cc: for netdev)
>
> --- ~Randy
>
>
By kernel image, do you mean /usr/src/linux/vmlinux ?
if so,
lanthanum-ini linux # nm vmlinux | grep register_qdisc
c0399200 R __kstrtab_register_qdisc
c0399240 R __kstrtab_unregister_qdisc
c039ebc8 R __ksymtab_register_qdisc
c039ebd0 R __ksymtab_unregister_qdisc
c02eda40 T register_qdisc
c02edaf0 T unregister_qdisc
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