Dummynet AQM v0.1- CoDel and FQ-CoDel for FreeBSD's ipfw/dummynet

Don Lewis truckman at FreeBSD.org
Fri Mar 11 09:35:01 UTC 2016


On  9 Mar, To: ralsaadi at swin.edu.au wrote:
> On 10 Mar, Rasool Al-Saadi wrote:
>> 
>> 
>> On Wednesday, 9 March 2016, Don Lewis wrote:

>>> Without the patch below, the dummynet module fails to load
>>> 
>>> # kldload dummynet.ko
>>> kldload: can't load dummynet.ko: No such file or directory
>>> 
>>> and the following is printed to /var/log/messages:
>>> 
>>> link_elf: symbol sysctl__net_inet_ip_dummynet_children undefined
>> 
>> Thanks again for testing the patch and for providing feedback.
>> 
>> It seems that this error (and the compilation error in your previous
>> email) appears in i386 versions of FreeBSD.
> 
> I was testing on FreeBSD 10.3-PRERELEASE and would have been willing to
> bet that the difference in behavior was due to a recent change in
> FreeBSD.  After testing, this second bug is also a difference between
> i386 and amd64.

> For some reason, the kernel linker on amd64 accepts this module, whereas
> on i386 it is (correctly in my opinion) rejected.  I'll try to put
> together a simple example that I can use to file a FreeBSD bug report.

FreeBSD bug report here:
<https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207898>



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