serval crashes on a 100 nodes hub senario

[lampep]

As we described in #101 we ran some tests with serval.

Another test for serval is to start 100 nodes and bridge them together on a hub. In case of this test we realised serval crashes on some nodes. It's the same configuration that is working on other network topologies.

We have extracted the fatal messages from the log and attached them. If you need more information we're happy to send them to you. Any Ideas what causes this?

serval_hub_dump.txt

Edit: we just realised our serval is built without a symbol table. If you need more details from the dump we could recompile serval.

[lakeman]

Can you recompile with debug symbols? Or is there something else related to
your test environment that is preventing gdb from reading the executable?

On Wed, Apr 27, 2016 at 8:46 PM, Patrick Lampe notifications@github.com
wrote:

As we described in #101
#101 we ran some
tests with serval.

Another test for serval is to start 100 nodes and bridge them together on
a hub. In case of this test we realised serval crashes on some nodes. It's
the same configuration that is working on other network topologies.

We have extracted the fatal messages from the log and attached them. If
you need more information we're happy to send them to you. Any Ideas what
causes this?

serval_hub_dump.txt
https://github.com/servalproject/serval-dna/files/238510/serval_hub_dump.txt

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#102

[Rubyfi]

We recompiled the binary with debug symbols.
Here's the dump of the error:
serval_fatals_dump.txt

[gardners]

Temporarily adding extra asserts to _ob_append_bytes() to help Lars get more detailed info. Can strip those out after Lars has reported the results. 3826944

[lakeman]

Note that the crash from the first comment looks like the same one as #103.
This second crash is different.