Re: users Digest 30 Jan 2019 15:52:55 -0000 Issue 5789

[Jan.SYKORA@xxxxx]

Hi Luca,

Thank you for your information.
I tried to debug this situation as was
described in article.
But unfortunatelly I was able to do
only core dump from this fall. I'm sending you this dump file. Are you
able to identify in which module is my problem?

Thanks
Jan






----- Message from Luca Toscano <toscano.luca@xxxxxxxxx> on Wed,
30 Jan 2019 07:52:37 -0800 -----

To:	users@xxxxxxxxxxxxxxxx
Subject:	Re: Segmentation fault when builded with openssl 1.1.1

Hi!

Il giorno lun 28 gen 2019 alle ore 06:36 <Jan.SYKORA@xxxxx> ha scritto:
>
> Hi,
>
> I have an issue with version httpd 2.4.38 when it is builded with
openssl 1.1.1 and mod_cluster
> There are repeated error messages in error.log:
>
> AH00052: child pid xxxx exit signal Segmentation fault (11)
>
> These error messages are suppressed when mod_ssl is disabled
>
> Builded on Linux 3.10.0-693.1.1.el7.x86_64
>
> httpd server builded with:
>
> APR=apr-1.6.5.tar.gz
> APR_UTIL=apr-util-1.6.1.tar.gz
> HTTPD=httpd-2.4.38.tar.gz
> LIBXML=libxml2-2.9.7.tar.gz
> M4=m4-1.4.18.tar.gz
> MOD_CLUSTER=mod_cluster-1.3.10.Final.tar.gz
> MOD_SECURITY=modsecurity-2.9.2.tar.gz
> NGHTTP2=nghttp2-1.36.0.tar.gz
> OPENSSL=openssl-1.1.1a.tar.gz
> PCRE=pcre-8.42.tar.gz
>
> Do you have any idea what could be wrong or it is possible bug in
actual version of httpd server? Because when i tried to build httpd 2.4.37
with same prerequesities with same way and also with openssl 1.1.1 there
is no problem with this combination.

could you follow http://httpd.apache.org/dev/debugging.html#crashes
and report back the stacktrace of the segmentation fault? It would be
very useful to understand what module is triggering this. mod_cluster
is not part of the standard httpd distribution, so in case of issues
with it I'd suggest to follow up with them to get more info about how
to fix the issue.

Thanks!

Luca

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