[tao-bugs] TAO : SIGSEGV during a CORBA call

[Corniglion, Jean-Yves [FR]]

Hello,
Here is a bug report about TAO :

    TAO VERSION: 2.1.4-18
    ACE VERSION: 6.1.4-18

    HOST MACHINE and OPERATING SYSTEM: CentOS 2.6.32-642.4.2.el6

    TARGET MACHINE and OPERATING SYSTEM, if different from HOST: Same as host

    COMPILER NAME AND VERSION (AND PATCHLEVEL): gcc 4.4.7

    THE $ACE_ROOT/ace/config.h FILE
#define ACE_HAS_IPV6
#define ACE_USES_IPV4_IPV6_MIGRATION
#include "ace/config-linux.h"

    THE $ACE_ROOT/include/makeinclude/platform_macros.GNU FILE
TAO_IDL = /usr/bin/tao_idl
TAO_IDL_DEP = /usr/bin/tao_idl
ssl = 1
inline = 0
optimize = 1
include $(ACE_ROOT)/include/makeinclude/platform_linux.GNU

    CONTENTS OF $ACE_ROOT/bin/MakeProjectCreator/config/default.features
ssl=1
cidl=0
bzip2 = 1
zlib = 1

    AREA/CLASS/EXAMPLE AFFECTED:
    See stack below.

    DOES THE PROBLEM AFFECT:
        EXECUTION: SIGSEGV during execution

    SYNOPSIS:
SIGSEGV during a CORBA call

    DESCRIPTION:
Our code is a CORBA client using TAO. Sometimes, when doing a CORBA call to the server, we got a SIGSEGV with the following stack :
/usr/lib/libTAO.so.2.1.4(_ZN29TAO_Default_Endpoint_Selector15select_endpointEPN3TAO26Profile_Transport_ResolverEP14ACE_Time_Value+0x57)[0x489ef57]
/usr/lib/libTAO.so.2.1.4(_ZN3TAO26Profile_Transport_Resolver7resolveEP14ACE_Time_Value+0x5e)[0x48d495e]
/usr/lib/libTAO.so.2.1.4(_ZN3TAO18Invocation_Adapter15invoke_remote_iEP8TAO_StubR21TAO_Operation_DetailsR16TAO_Pseudo_Var_TIN5CORBA6ObjectEERP14ACE_Time_Value+0x74)[0x489dd84]
/usr/lib/libTAO.so.2.1.4(_ZN3TAO18Invocation_Adapter8invoke_iEP8TAO_StubR21TAO_Operation_Details+0xd4)[0x489dfd4]
/usr/lib/libTAO.so.2.1.4(_ZN3TAO18Invocation_Adapter6invokeEPNS_14Exception_DataEm+0x79)[0x489e469]
... our code : a CORBA call ...
It happens very rarely. Most time, the CORBA call works normally.

    REPEAT BY:
It happens very rarely. Most time, the CORBA call works normally.

    SAMPLE FIX/WORKAROUND:
No workaround found

Thanks for your help.

Jean-Yves Corniglion

1 Boulevard Jean Moulin
78996 Elancourt CEDEX
France
T +33 (0)1 61 38 63 16
F +33 (0)1 61 38 57 52
E jean-yves.corniglion at airbus.com<mailto:jean-yves.corniglion at airbus.com>
www.intelligence-airbusds.com<http://www.intelligence-airbusds.com>

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