link cache fails to get updated when interface added to/removed from bridge

[David Mosberger]

Oh, forgot to mention: this implies that libnl v3.2.15 or newer is
required to make my test-program work.

  --david

On Tue, Apr 15, 2014 at 9:34 AM, David Mosberger <davidm at egauge.net> wrote:
> Thomas,
>
> I did a git bisect and it appears this is the patch that makes things work:
>
>   125119aff05e16f150ad881dc9479686495cb5bd  Add AF_BRIDGE support to link cache
>
>     --david
>
> On Tue, Apr 15, 2014 at 4:09 AM, Thomas Haller <thaller at redhat.com> wrote:
>> On Mon, 2014-04-14 at 14:40 -0600, David Mosberger wrote:
>>> Thomas,
>>>
>>> Is it possible you have a newer version of libnl installed?  If so, I
>>> think you'd have to run the program with:
>>>
>>>   LD_LIBRARY_PATH=lib/.libs ./a.out
>>>
>>> to ensure the test-library gets used.
>>>
>>> For what it's worth: I tried on an x86-64 system using the GIT tree:
>>> with v3.2.11, I see the same broken behavior.  With the latest GIT
>>> tree (version.h is 3.2.24), my test program works fine.
>>>
>>> Perhaps I should just upgrade the embedded system to 3.2.24.
>>>
>>>   --david
>>
>>
>> Hi David,
>>
>>
>> yes, I used brctl addif/delif on an other terminal to modify the bridge.
>> I also tried to enslave my em1 interface (not only dummy0/dummy1). That
>> worked too.
>>
>> Also, even I didn't say so, I got it right with using the correct
>> library version (by setting LD_LIBRARY_PATH, checked with ldd).
>>
>> I tested the git version, commit
>> 941ba950a9fa914e324c7e204c145bf7af526bf4 (libnl3_2_11). Compiled with
>>
>>   git clean -fdx && ./autogen.sh && ./configure && make
>>
>>
>> It might be related to your kernel/architecture, although you say it
>> breaks also on your x86-64. I cannot reproduce any issues on my
>> 3.13.9-200.fc20.x86_64 kernel.
>>
>>
>> Great if the newest version fixes it for you. It would be interesting
>> however to find the reason. If you care, I would suggest to git-bisect
>> it.
>>
>>
>> ciao,
>> Thomas
>
>
>
> --
> eGauge Systems LLC, http://egauge.net/, 1.877-EGAUGE1, fax 720.545.9768



-- 
eGauge Systems LLC, http://egauge.net/, 1.877-EGAUGE1, fax 720.545.9768