[tor-dev] Segfault trying to start tor in with bufferevents

Nick Mathewson nickm at alum.mit.edu
Thu Aug 22 14:25:00 UTC 2013

On Thu, Aug 22, 2013 at 10:17 AM, Ian Goldberg <iang at cs.uwaterloo.ca> wrote:
> I just tried to upgrade my tor exit node to, and got this:

> I rebuilt without bufferevents, and it hasn't crashed yet.  (I also
> don't see the "Something tried to close an or_connection_t" warnings.)

Seems likely.  This is a dup of bug
https://trac.torproject.org/projects/tor/ticket/7734 .

When you started Tor, did you get this warning?

  log_warn(LD_GENERAL, "Tor was compiled with the --enable-bufferevents "
           "option. This is still experimental, and might cause strange "
           "bugs. If you want a more stable Tor, be sure to build without "

(The bufferevent backend is not preferred in 0.2.3 or 0.2.4.  Maybe
0.2.5 is where somebody hammers all the bugs out of it.)


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