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Segmentation Fault in ld


From: J. W. Jones
Subject: Segmentation Fault in ld
Date: Tue, 08 Jul 2003 10:54:38 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.2) Gecko/20021120 Netscape/7.01



Hi,

I am not sure whether this is a bug in ld or gcc.

I have been developing some software over a number of years that has grown over
time.

I have just hit a problem where the executable produces a segmentation fault
before it even gets to a line of my code. The gdb trace of the core file is:

GNU gdb 5.1.1
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-suse-linux"...
Core was generated by `mesh_exe'.
Program terminated with signal 11, Segmentation fault.
#0  0x40009e53 in ?? ()
(gdb) where
#0  0x40009e53 in ?? ()
#1  0x40003e3a in ?? ()
#2  0x4000e5dd in ?? ()
#3  0x40002432 in ?? ()
#4  0x4000237c in ?? ()

In order to try to find the problem I returned my code to its previous working
state and slowly added the new bits in. It seems that just by adding an extra
shared library to the link line during compilation causes the code to crash even
though nothing in the library is referenced yet.

Is this a limit at to the number of shared libraries that can be linked?

The output of ldd for the executable is:

cgjulius:cvnforce1 112% ldd `which mesh_exe`
       libmesh_server_s.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_server_s.so
(0x40017000)
       libmesh_server_c.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_server_c.so
(0x40130000)
       libgeneric_server_idl_s.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libgeneric_server_idl_s.so
(0x40271000)
       libgeneric_server_idl_c.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libgeneric_server_idl_c.so
(0x40279000)
       libmesh_spreader.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_spreader.so
(0x40284000)
       libmesh_3d.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_3d.so
(0x40286000)
       libglobal_element_map.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libglobal_element_map.so
(0x4035e000)
       libmesh_2d.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_2d.so
(0x40368000)
       libmesh_io_new.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_io_new.so
(0x40414000)
       libmesh_io_new_exc.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_io_new_exc.so
(0x404a6000)
       libmesh_checks.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_checks.so
(0x404b0000)
       libmesh_analysis_criteria.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmesh_analysis_criteria.so
(0x404b8000)
       libedge_set.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libedge_set.so
(0x404be000)
       librender_object_s.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/librender_object_s.so
(0x404cc000)
       librender_object_base.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/librender_object_base.so
(0x404fe000)
       libtetrahedra_set.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libtetrahedra_set.so
(0x40505000)
       libtriangle_set.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libtriangle_set.so
(0x40512000)
       libnumbering_set.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libnumbering_set.so
(0x4052e000)
       libcommunication_set.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libcommunication_set.so
(0x4053f000)
       libtetrahedron.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libtetrahedron.so
(0x40550000)
       libpyramid.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libpyramid.so
(0x4055c000)
       libprism.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libprism.so
(0x40563000)
       libhexahedron.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libhexahedron.so
(0x4056a000)
       libremote_control.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libremote_control.so
(0x40572000)
       libremote_daemon_factory_c.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libremote_daemon_factory_c.so
(0x4058c000)
       libremote_daemon_c.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libremote_daemon_c.so
(0x405a5000)
       libprocess_startup.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libprocess_startup.so
(0x405c2000)
       libplatform_list.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libplatform_list.so
(0x405d2000)
       libplatform.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libplatform.so
(0x405df000)
       libvariable_info_s.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libvariable_info_s.so
(0x405e6000)
       libvariable_info_c.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libvariable_info_c.so
(0x405f0000)
       libobject_attr_server.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libobject_attr_server.so
(0x405ff000)
       libobject_attr_manager.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libobject_attr_manager.so
(0x40620000)
       libplane.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libplane.so
(0x4063b000)
       libline.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libline.so
(0x4064d000)
       libargument_parser.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libargument_parser.so
(0x40660000)
       libvstring.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libvstring.so
(0x4066a000)
       libmpi_communicator.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmpi_communicator.so
(0x40674000)
       libbuf_communicator.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libbuf_communicator.so
(0x40680000)
       libcommunicator.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libcommunicator.so
(0x4068d000)
       libcritical.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libcritical.so
(0x40697000)
       liblog_control.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/liblog_control.so
(0x4069d000)
       liblicense.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/liblicense.so
(0x406b0000)
       libmatrix_lib.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libmatrix_lib.so
(0x406b6000)
       libvector_lib.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libvector_lib.so
(0x406bc000)
       libtimer.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libtimer.so
(0x406c5000)
       libarray_lib.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libarray_lib.so
(0x406cb000)
       libglobal_const_c.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libglobal_const_c.so
(0x406d0000)
       libdummy_opengl_lib.so =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/PSUE_II/libdummy_opengl_lib.so
(0x4073a000)
       libOB.so.3.3.4 =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/Orbacus/lib/libOB.so.3.3.4
(0x4073c000)
       libJTC.so.1.0.14 =>
/civeng/cvonyx01/cgjulius/PSUE_II_Trials2/Distribution/Libraries/Linux/Orbacus/lib/libJTC.so.1.0.14
(0x40a63000)
       libpthread.so.0 => /lib/libpthread.so.0 (0x40a9a000)
       libstdc++-libc6.2-2.so.3 => /usr/lib/libstdc++-libc6.2-2.so.3 
(0x40ab0000)
       libm.so.6 => /lib/libm.so.6 (0x40afd000)
       libc.so.6 => /lib/libc.so.6 (0x40b21000)
       /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)


Any help would be appreciated.

Regards,

Jason


--
=======================================================

Dr Jason Jones
Technical Manager
Digital Technium
School of Engineering
University of Wales Swansea
Singleton Park
Swansea
SA2 8PP        Tel: 01792-295869
              Fax: 01792-295676







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