[Olsr-dev] Master tree: all routers segmentation fault when 1 node leaves the network.

[Henning Rogge]

On Tue June 8 2010 23:19:56 ZioPRoTo (Saverio Proto) wrote:
> Hello,
> 
> I'm working on the development tree and I found a bug that I cannot
> exactly reproduce.
> 
> I'm running a network in my virtual environment with 7 routers, and
> when 1 (any) of the routers stops, all the other 6 nodes will have a
> segmentation fault after about 30 seconds.
> 
> From this file it is easy to understand the topology, where every OLSR
> router has some interfaces attached to some collision domain:
> https://svn.ninux.org/ninuxdeveloping/browser/obamp-netkitlab/lab.conf
> 
> I'm running OLSR into gdb, at the end of the email a couple of
> different backtraces I found. Once I also had a segmentation fault on
> ip4cmp function but I did not cut and paste and I was not able to
> reproduce it.
> 
> I will fill a bug on tracker soon... first I wanted to understand if
> it was more reproducible...

I really hate the tc_set...

Can you enter a bug report and test the patch attached to this mail ? It 
should prevent the segfault racecondition in the tc_set.

Henning
-- 
Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
Kommunikation, Informationsverarbeitung und Ergonomie FKIE
Kommunikationssysteme (KOM)
Neuenahrer Straße 20, 53343 Wachtberg, Germany
Telefon +49 228 9435-961,   Fax +49 228 9435 685
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