[root@snw-xen ~/test]# gdb exec exec.core
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This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `exec'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/local/lib/libxenlight.so.4.5...Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenlight.so.4.5]
Reading symbols from /usr/local/lib/libxlutil.so.4.3...Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxlutil.so.4.3]
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /usr/local/lib/libxenctrl.so.4.5...Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenctrl.so.4.5]
Reading symbols from /usr/local/lib/libxenguest.so.4.5...Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenguest.so.4.5]
Reading symbols from /usr/local/lib/libxenstore.so.3.0...Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenstore.so.3.0]
Reading symbols from /lib/libutil.so.9...done.
Loaded symbols for /lib/libutil.so.9
Reading symbols from /usr/local/lib/libyajl.so.2...done.
Loaded symbols for /usr/local/lib/libyajl.so.2
Reading symbols from /lib/libthr.so.3...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /usr/lib/libbz2.so.4...done.
Loaded symbols for /usr/lib/libbz2.so.4
Reading symbols from /usr/lib/liblzma.so.5...done.
Loaded symbols for /usr/lib/liblzma.so.5
Reading symbols from /usr/local/lib/liblzo2.so.2...done.
Loaded symbols for /usr/local/lib/liblzo2.so.2
Reading symbols from /lib/libz.so.6...done.
Loaded symbols for /lib/libz.so.6
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x0000000801060679 in ?? () from /usr/local/lib/libxenctrl.so.4.5
[New Thread 802c06400 (LWP 100075/<unknown>)]
(gdb) bt
#0  0x0000000801060679 in ?? () from /usr/local/lib/libxenctrl.so.4.5
#1  0x00000008008816cf in ?? () from /usr/local/lib/libxenlight.so.4.5
#2  0xffffffff00000001 in ?? ()
#3  0x00000008008816cf in ?? () from /usr/local/lib/libxenlight.so.4.5
#4  0x000000080087e03e in ?? () from /usr/local/lib/libxenlight.so.4.5
#5  0x0000000800880c90 in ?? () from /usr/local/lib/libxenlight.so.4.5
#6  0x0000000000000000 in ?? ()
(gdb) run
Starting program: /root/test/exec
Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenlight.so.4.5]
Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxlutil.so.4.3]
Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenctrl.so.4.5]
Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenguest.so.4.5]
Error while reading shared library symbols:
Dwarf Error: wrong version in compilation unit header (is 4, should be 2) [in module /usr/local/lib/libxenstore.so.3.0]

Program received signal SIGSEGV, Segmentation fault.
0x0000000801060679 in ?? () from /usr/local/lib/libxenctrl.so.4.5
(gdb)