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List:       gnutls-dev
Subject:    Re: [gnutls-devel] guile and SSL 3.0
From:       Nikos Mavrogiannopoulos <n.mavrogiannopoulos () gmail ! com>
Date:       2016-07-30 18:28:01
Message-ID: CAJU7zaK1r9VYt1SWhtfAsDMOo35KHt1PCAvmEyMCvQ-3Wr-+Tw () mail ! gmail ! com
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On Fri, Jul 29, 2016 at 10:40 PM, Ludovic Courtès <ludo@gnu.org> wrote:
>> On Fri, Jul 29, 2016 at 4:47 PM, Ludovic Courtès <ludo@gnu.org> wrote:
>>>>> I cannot reproduce it with 8098024c35f48a69ef88929ea370c0512bf235b0
>>>>> when
>>>>> running:
>>>>>   while GUILE_WARN_DEPRECATED=no ./pre-inst-guile -L
>>>>> ../../guile/tests/ ../../guile/tests/openpgp-auth.scm ; do : ; done
>>>>> Is there anything else I should know about the build environment or
>>>>> configuration options?
>>>> It may be the compiler (either compilation of guile or gnutls'
>>>> bindings)... That system uses gcc 6.1.1. Not sure if you'd like to
>>>> debug it further, but if you do and you make a clone of the gnutls
>>>> repository in gitlab I could give you access to that CI system.
>>> I've rebuilt GnuTLS master (but not Guile) with GCC 6.1.0 and can't seem
>>> to reproduce this segfault.
>>> Could you post a backtrace of the core dump?  It might give clues.
>>
>> I couldn't reproduce it in my last attempts but accessing that system
>> isn't easy. Would it work if we run the guile tests under valgrind
>> similarly to how we do at tests, or could there be a problem with
>> guile?
> Valgrind misinterprets the tricks that libgc (the Boehm-Demers-Weiser
> garbage collector) plays.  There are libgc suppression files floating
> around, but I'm not sure if there's anything reliable.  :-/

Let's ignore it for the moment then. If the crash happens again I'll
try to reproduce on the CI system and catch it if possible with gdb.

regards,
Nikos

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