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Re: RTorrent issue with curl+nss

From: Jari Sundell <>
Date: Fri, 30 Dec 2016 12:34:33 +0900

On 29 December 2016 at 20:08, Daniel Stenberg <> wrote:

> On Thu, 29 Dec 2016, Jari Sundell wrote:
>> Lately there's been some reports of issues with rtorrent that seem to be
>> related to libcurl, possibly when compiled with nss support and not with
>> openssl.
>> It is unclear to me if this is a bug in libcurl or incorrect usage of the
>> library by rtorrent.
> I'm not sure what we can do to make that more clear. Any suggestions? Even
> the discussions in #457 seem to not really know what specific versions that
> trigger this problem or what they were built to use. What libcurl version
> and what TLS library and version get this problem?
> Is it possible to bisect to a specific range that causes problems or not
> causes problems?
> And if we can narrow that down, can you help us write up a stand-alone
> libcurl-using app that uses libcurl is way similar to how rtorrent does it
> so that we can attempt to reproduce the problem without having to debug the
> actual rtorrent - which I just guess is a bit complicated for us curl
> people who have no clues about its design.

It seems to be related to nss, so unless there's been any known issues
related to this I'll try to reproduce it. Currently working on something
else so it might take a while.

Jari Sundell

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Received on 2016-12-30