[ndnSIM] Simulation terminated with signal SIGSEGV - possible bug

Junxiao Shi shijunxiao at email.arizona.edu
Sat May 5 07:29:42 PDT 2018


Hi Thiago

I love that you included your scenario code and complete information about
software versions. Every questioner should be doing that.


We run this scenario for 4,000 seconds, but the simulation ends at 2,099
> seconds with the code
>
>     Command ['/home/vagrant/ndnSIM/ns-3/build/scratch/ndn-debug-scenario']
> terminated with signal SIGSEGV. Run it under a debugger to get more
> information (./waf --run <program> --command-template="gdb --args %s
> <args>").
>
>
>
> Running with GDB didn’t offer any other insights.
>
Even if you don’t see “any other insights”, it’s still valuable to provide
GDB ‘bt full’ output on Gist or PasteBin.
Also, try Valgrind as well in case it’s an memory error.


Increasing the number of nodes makes the simulation crash at an earlier
> time.
>
This raises suspicion on a memory allocation failure.

Yours, Junxiao
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