More complete trace:

--- stack trace ---
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
Core was generated by `/usr/lib/evolution/2.8/evolution-alarm-notify'.
Program terminated with signal 11, Segmentation fault.
#0  0xb72b36a8 in strcmp () from /lib/tls/i686/cmov/libc.so.6
#0  0xb72b36a8 in strcmp () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#1  0xb7456034 in IA__g_str_equal (v1=0x6e6f, v2=0xb65005c8) at gstring.c:77
No locals.
#2  0xb742d176 in IA__g_hash_table_lookup (hash_table=0x806e460, key=0xb65005c8) at ghash.c:240
	node = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_hash_table_lookup"
#3  0xb79d0e73 in ORBit_handle_request (orb=0x8093118, recv_buffer=0xb6501a88) at orbit-adaptor.c:192
	forw_obj = <value optimized out>
	objkey = <value optimized out>
	adaptor = (ORBit_ObjectAdaptor) 0x0
#4  0xb79ba077 in giop_connection_handle_input (lcnx=0x808eec8) at giop-recv-buffer.c:1288
	buf = (GIOPRecvBuffer *) 0xb6501a88
	cnx = <value optimized out>
	__PRETTY_FUNCTION__ = "giop_connection_handle_input"
#5  0xb79d7a1d in link_connection_io_handler (gioc=0x0, condition=<value optimized out>, data=0x808eec8) at linc-connection.c:1417
	rv = <value optimized out>
	n = <value optimized out>
	n_size = <value optimized out>
	cnx = <value optimized out>
#6  0xb79da9ce in link_source_dispatch (source=0x80c3540, callback=0xb79d7940 <link_connection_io_handler>, user_data=0x808eec8) at linc-source.c:159
No locals.
#7  0xb7439802 in IA__g_main_context_dispatch (context=0x80a7e58) at gmain.c:2045
No locals.
#8  0xb743c7df in g_main_context_iterate (context=0x80a7e58, block=1, dispatch=1, self=0x80a7f38) at gmain.c:2677
	got_ownership = <value optimized out>
	max_priority = 2147483647
	timeout = -1
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0xb6501f58
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#9  0xb743cb89 in IA__g_main_loop_run (loop=0x80a7ed8) at gmain.c:2881
	got_ownership = -1221456960
	self = (GThread *) 0x80a7f38
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#10 0xb79d67e0 in link_io_thread_fn (data=0x0) at linc.c:396
No locals.
#11 0xb745738f in g_thread_create_proxy (data=0x80a7f38) at gthread.c:553
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#12 0xb707f504 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#13 0xb731451e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
--- thread stack trace ---
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
Core was generated by `/usr/lib/evolution/2.8/evolution-alarm-notify'.
Program terminated with signal 11, Segmentation fault.
#0  0xb72b36a8 in strcmp () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 5525):
#0  0xb7f748c5 in do_lookup_x () from /lib/ld-linux.so.2
No symbol table info available.
#1  0xb7f74c47 in _dl_lookup_symbol_x () from /lib/ld-linux.so.2
No symbol table info available.
#2  0xb7f78942 in _dl_fixup () from /lib/ld-linux.so.2
No symbol table info available.
#3  0xb7f7dd40 in _dl_runtime_resolve () from /lib/ld-linux.so.2
No symbol table info available.
#4  0xb6e13173 in __do_global_dtors_aux () from /usr/lib/evolution/2.8/libetext.so.0
No symbol table info available.
#5  0xb6e23f1c in _fini () from /usr/lib/evolution/2.8/libetext.so.0
No symbol table info available.
#6  0xb7f794ce in _dl_fini () from /lib/ld-linux.so.2
No symbol table info available.
#7  0xb7273299 in exit () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#8  0xb725c8d4 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#9  0x08051841 in _start ()
No symbol table info available.
.
Thread 1 (process 5551):
#0  0xb72b36a8 in strcmp () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#1  0xb7456034 in IA__g_str_equal (v1=0x6e6f, v2=0xb65005c8) at gstring.c:77
No locals.
#2  0xb742d176 in IA__g_hash_table_lookup (hash_table=0x806e460, key=0xb65005c8) at ghash.c:240
	node = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_hash_table_lookup"
#3  0xb79d0e73 in ORBit_handle_request (orb=0x8093118, recv_buffer=0xb6501a88) at orbit-adaptor.c:192
	forw_obj = <value optimized out>
	objkey = <value optimized out>
	adaptor = (ORBit_ObjectAdaptor) 0x0
#4  0xb79ba077 in giop_connection_handle_input (lcnx=0x808eec8) at giop-recv-buffer.c:1288
	buf = (GIOPRecvBuffer *) 0xb6501a88
	cnx = <value optimized out>
	__PRETTY_FUNCTION__ = "giop_connection_handle_input"
#5  0xb79d7a1d in link_connection_io_handler (gioc=0x0, condition=<value optimized out>, data=0x808eec8) at linc-connection.c:1417
	rv = <value optimized out>
	n = <value optimized out>
	n_size = <value optimized out>
	cnx = <value optimized out>
#6  0xb79da9ce in link_source_dispatch (source=0x80c3540, callback=0xb79d7940 <link_connection_io_handler>, user_data=0x808eec8) at linc-source.c:159
No locals.
#7  0xb7439802 in IA__g_main_context_dispatch (context=0x80a7e58) at gmain.c:2045
No locals.
#8  0xb743c7df in g_main_context_iterate (context=0x80a7e58, block=1, dispatch=1, self=0x80a7f38) at gmain.c:2677
	got_ownership = <value optimized out>
	max_priority = 2147483647
	timeout = -1
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0xb6501f58
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#9  0xb743cb89 in IA__g_main_loop_run (loop=0x80a7ed8) at gmain.c:2881
	got_ownership = -1221456960
	self = (GThread *) 0x80a7f38
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#10 0xb79d67e0 in link_io_thread_fn (data=0x0) at linc.c:396
No locals.
#11 0xb745738f in g_thread_create_proxy (data=0x80a7f38) at gthread.c:553
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#12 0xb707f504 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#13 0xb731451e in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.