.
Thread 3 (Thread 4701):
#0  0x00fb7723 in ?? () from /usr/lib/libpangoft2-1.0.so.0
No symbol table info available.
#1  0x00fb9151 in ?? () from /usr/lib/libpangoft2-1.0.so.0
No symbol table info available.
#2  0x00fb17a3 in ?? () from /usr/lib/libpangoft2-1.0.so.0
No symbol table info available.
#3  0x00faa4e0 in ?? () from /usr/lib/libpangoft2-1.0.so.0
No symbol table info available.
#4  0x00fab282 in pango_ot_ruleset_substitute ()
   from /usr/lib/libpangoft2-1.0.so.0
No symbol table info available.
#5  0x00d7d075 in ?? () from /usr/lib/pango/1.6.0/modules/pango-basic-fc.so
No symbol table info available.
#6  0x004465fa in ?? () from /usr/lib/libpango-1.0.so.0
No symbol table info available.
#7  0x0045904c in pango_shape () from /usr/lib/libpango-1.0.so.0
No symbol table info available.
#8  0x0044b79e in ?? () from /usr/lib/libpango-1.0.so.0
No symbol table info available.
#9  0x0044c1c0 in ?? () from /usr/lib/libpango-1.0.so.0
No symbol table info available.
#10 0x0044de66 in ?? () from /usr/lib/libpango-1.0.so.0
No symbol table info available.
#11 0x0044f104 in ?? () from /usr/lib/libpango-1.0.so.0
No symbol table info available.
#12 0x00853c03 in gtk_text_layout_get_line_display ()
   from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#13 0x00857bd2 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#14 0x00851f9f in gtk_text_layout_wrap () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#15 0x008343a0 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#16 0x008344cf in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#17 0x00834705 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#18 0x0085656d in gtk_text_layout_validate ()
   from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#19 0x00864bdd in ?? () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#20 0x00ce54f8 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
No symbol table info available.
#21 0x00a9fe81 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#22 0x00aa1e05 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
No symbol table info available.
#23 0x00aa5b08 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#24 0x00aa605f in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#25 0x00787159 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
No symbol table info available.
#26 0x08054c06 in main ()
No symbol table info available.
.
Thread 2 (Thread 4704):
#0  0x00636422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00c3b8f1 in select () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0x00de647d in eXosip_read_message () from /usr/lib/libeXosip2.so.4
No symbol table info available.
#3  0x00dd717a in eXosip_execute () from /usr/lib/libeXosip2.so.4
No symbol table info available.
#4  0x00dd7794 in ?? () from /usr/lib/libeXosip2.so.4
No symbol table info available.
#5  0x0011a96e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0x00c4292e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 4705):
#0  0x00c84177 in ?? () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#1  0x00000002 in ?? ()
No symbol table info available.
#2  0xb62fac00 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)