I've submitted bug #37964 which was closed as duplicate of this one.

Today I had a crash when exiting and this is the backtrace. Hope it helps. I'm not sure if it is the same problem or not though.

Backtrace was generated from '/usr/bin/evolution-2.6'

Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1231279904 (LWP 5315)]
[New Thread -1309156432 (LWP 8597)]
[New Thread -1357907024 (LWP 5394)]
[New Thread -1348240464 (LWP 5379)]
[New Thread -1339847760 (LWP 5378)]
[New Thread -1331053648 (LWP 5377)]
[New Thread -1322660944 (LWP 5376)]
[New Thread -1300763728 (LWP 5332)]
[New Thread -1266672720 (LWP 5327)]
[New Thread -1258280016 (LWP 5326)]
[New Thread -1249887312 (LWP 5325)]
[New Thread -1241371728 (LWP 5324)]
0xffffe410 in __kernel_vsyscall ()
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb718695b in waitpid () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7d77746 in libgnomeui_module_info_get ()
   from /usr/lib/libgnomeui-2.so.0
#3  0x0805e8ee in segv_redirect (sig=11) at main.c:424
#4  <signal handler called>
#5  0xb7164d18 in strcmp () from /lib/tls/i686/cmov/libc.so.6
#6  0x0805c7f1 in e_shell_window_set_title (window=0x82f5800, 
    component_id=0x83d6dc8 "mail", title=0x832cbf0 "Evolution - Mail")
    at e-shell-window.c:1147
#7  0x0805c89b in impl_ShellView_setTitle (_servant=0x0, id=0x0, title=0x0, 
    ev=0xbfcc54ac) at e-shell-view.c:48
#8  0xb7fa61cc in _ORBIT_skel_small_GNOME_Evolution_ShellView_setTitle (
    _o_servant=0x0, _o_retval=0x0, _o_args=0x83d6dc8, _o_ctx=0x0, _o_ev=0x0, 
    _impl_setTitle=0x805c858 <impl_ShellView_setTitle>)
    at Evolution-common.c:24
#9  0xb7b40665 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0
#10 0xb7fa77ac in GNOME_Evolution_ShellView_setTitle (_obj=0x0, 
    component=0x83d6dc8 "mail", title=0xb6251156 "Mail", ev=0x0)
    at Evolution-stubs.c:27
#11 0xb7fa91aa in e_component_view_set_title (ecv=0x83d6dc8, title=0x0)
    at e-component-view.c:136
#12 0xb6219845 in view_changed_timeout (d=0x8445560) at mail-component.c:579
#13 0xb7498448 in g_timeout_dispatch (source=0x8333ff8, callback=0x83d6dc8, 
    user_data=0x0) at gmain.c:3292
#14 0xb7496876 in IA__g_main_context_dispatch (context=0x80a1ca8)
    at gmain.c:1916
#15 0xb7499936 in g_main_context_iterate (context=0x80a1ca8, block=1, 
    dispatch=1, self=0x806ca98) at gmain.c:2547
#16 0xb7499c58 in IA__g_main_loop_run (loop=0x8100458) at gmain.c:2751
#17 0xb7bc3477 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#18 0x0805ed2c in main (argc=138243528, argv=0xbfcc59c4) at main.c:612

Thread 12 (Thread -1241371728 (LWP 5324)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82aee10) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82aee10, __canceltype = -1209658903, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b50e0) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 3053595568
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 11 (Thread -1249887312 (LWP 5325)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82aee10) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82aee10, __canceltype = -1209658903, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b50e0) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 3045079984
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 10 (Thread -1258280016 (LWP 5326)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82aee10) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82aee10, __canceltype = -1209658903, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b50e0) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 3036687280
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 9 (Thread -1266672720 (LWP 5327)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82aee10) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82aee10, __canceltype = -1209658903, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b50e0) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 3028294576
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 8 (Thread -1300763728 (LWP 5332)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x8328260) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x8328260, __canceltype = -1209658938, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x8328390) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 2994203568
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 7 (Thread -1322660944 (LWP 5376)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82aee10) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82aee10, __canceltype = -1209658903, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b50e0) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 2972306352
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 6 (Thread -1331053648 (LWP 5377)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82aee10) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82aee10, __canceltype = -1209658903, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b50e0) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 2963913648
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 5 (Thread -1339847760 (LWP 5378)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82b4fe0) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82b4fe0, __canceltype = -1209658938, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b4f80) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 2955119536
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 4 (Thread -1348240464 (LWP 5379)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6f85c76 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0xb71d14e7 in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#3  0xb7e610a8 in e_msgport_wait (mp=0x82b5090) at e-msgport.c:660
	_buffer = {__routine = 0xb7e60e36 <msgport_cleanlock>, 
  __arg = 0x82b5090, __canceltype = -1209658938, __prev = 0x0}
	msg = <value optimized out>
#4  0xb7e6177b in thread_dispatch (din=0x82b5030) at e-msgport.c:1022
	e = <value optimized out>
	m = (EMsg *) 0x0
	info = <value optimized out>
	self = 2946726832
#5  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#6  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 3 (Thread -1357907024 (LWP 5394)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb71ba8c4 in poll () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7499788 in g_main_context_iterate (context=0x87bb360, block=1, 
    dispatch=1, self=0x87a7798) at gmain.c:2849
	max_priority = 2147483647
	timeout = -1
	some_ready = <value optimized out>
	nfds = 9
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x8b01e00
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#3  0xb7499c58 in IA__g_main_loop_run (loop=0x87b8f88) at gmain.c:2751
	got_ownership = -1222830368
	self = (GThread *) 0x87a7798
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#4  0xb7b4670e in link_thread_io_context () from /usr/lib/libORBit-2.so.0
No symbol table info available.
#5  0xb74b2582 in g_thread_create_proxy (data=0x87a7798) at gthread.c:582
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#7  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 2 (Thread -1309156432 (LWP 8597)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb71ba8c4 in poll () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7499788 in g_main_context_iterate (context=0x882c220, block=1, 
    dispatch=1, self=0x882c2a8) at gmain.c:2849
	max_priority = 2147483647
	timeout = -1
	some_ready = <value optimized out>
	nfds = 1
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x89e3fc8
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#3  0xb7499c58 in IA__g_main_loop_run (loop=0x882c3f0) at gmain.c:2751
	got_ownership = -1222830368
	self = (GThread *) 0x882c2a8
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#4  0xb6d9f82b in startup_mainloop (arg=0x0) at e-book.c:3728
	loop = (GMainLoop *) 0xfffffffc
#5  0xb74b2582 in g_thread_create_proxy (data=0x882c2a8) at gthread.c:582
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0xb6f83341 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#7  0xb71c44ee in clone () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.

Thread 1 (Thread -1231279904 (LWP 5315)):
#0  0xffffe410 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb718695b in waitpid () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#2  0xb7d77746 in libgnomeui_module_info_get ()
   from /usr/lib/libgnomeui-2.so.0
No symbol table info available.
#3  0x0805e8ee in segv_redirect (sig=11) at main.c:424
No locals.
#4  <signal handler called>
No symbol table info available.
#5  0xb7164d18 in strcmp () from /lib/tls/i686/cmov/libc.so.6
No symbol table info available.
#6  0x0805c7f1 in e_shell_window_set_title (window=0x82f5800, 
    component_id=0x83d6dc8 "mail", title=0x832cbf0 "Evolution - Mail")
    at e-shell-window.c:1147
	this_view = (ComponentView *) 0x8317890
	priv = (EShellWindowPrivate *) 0x82d9630
	p = (GSList *) 0x831ef88
#7  0x0805c89b in impl_ShellView_setTitle (_servant=0x0, id=0x0, title=0x0, 
    ev=0xbfcc54ac) at e-shell-view.c:48
No locals.
#8  0xb7fa61cc in _ORBIT_skel_small_GNOME_Evolution_ShellView_setTitle (
    _o_servant=0x0, _o_retval=0x0, _o_args=0x83d6dc8, _o_ctx=0x0, _o_ev=0x0, 
    _impl_setTitle=0x805c858 <impl_ShellView_setTitle>)
    at Evolution-common.c:24
No locals.
#9  0xb7b40665 in ORBit_c_stub_invoke () from /usr/lib/libORBit-2.so.0
No symbol table info available.
#10 0xb7fa77ac in GNOME_Evolution_ShellView_setTitle (_obj=0x0, 
    component=0x83d6dc8 "mail", title=0xb6251156 "Mail", ev=0x0)
    at Evolution-stubs.c:27
	_args = {0xbfcc5494, 0xbfcc5498}
#11 0xb7fa91aa in e_component_view_set_title (ecv=0x83d6dc8, title=0x0)
    at e-component-view.c:136
	ev = {_id = 0x0, _major = 0, _any = {_type = 0x0, _value = 0x0, 
    _release = 0 '\0'}}
#12 0xb6219845 in view_changed_timeout (d=0x8445560) at mail-component.c:579
	bits = <value optimized out>
	selected = <value optimized out>
	el = (EInfoLabel *) 0x809f6c8
	emfv = (EMFolderView *) 0x8319090
#13 0xb7498448 in g_timeout_dispatch (source=0x8333ff8, callback=0x83d6dc8, 
    user_data=0x0) at gmain.c:3292
	timeout_source = <value optimized out>
#14 0xb7496876 in IA__g_main_context_dispatch (context=0x80a1ca8)
    at gmain.c:1916
No locals.
#15 0xb7499936 in g_main_context_iterate (context=0x80a1ca8, block=1, 
    dispatch=1, self=0x806ca98) at gmain.c:2547
	got_ownership = <value optimized out>
	max_priority = 0
	timeout = 0
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = (GPollFD *) 0x87f1f50
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#16 0xb7499c58 in IA__g_main_loop_run (loop=0x8100458) at gmain.c:2751
	got_ownership = -1222830368
	self = (GThread *) 0x806ca98
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#17 0xb7bc3477 in bonobo_main () from /usr/lib/libbonobo-2.so.0
No symbol table info available.
#18 0x0805ed2c in main (argc=138243528, argv=0xbfcc59c4) at main.c:612
	fd = <value optimized out>
	options = {{longName = 0x8062e19 "component", shortName = 99 'c', 
    argInfo = 1, arg = 0x8064d3c, val = 0, 
    descrip = 0x8062ca4 "Start Evolution activating the specified component", 
    argDescrip = 0x0}, {longName = 0x805f4b6 "offline", shortName = 0 '\0', 
    argInfo = 0, arg = 0x8064d38, val = 0, 
    descrip = 0x8062e23 "Start in offline mode", argDescrip = 0x0}, {
    longName = 0x8062a37 "online", shortName = 0 '\0', argInfo = 0, 
    arg = 0x8064d34, val = 0, descrip = 0x8062e39 "Start in online mode", 
    argDescrip = 0x0}, {longName = 0x8062e4e "force-shutdown", 
    shortName = 0 '\0', argInfo = 0, arg = 0x8064d30, val = 0, 
    descrip = 0x8062cd8 "Forcibly shut down all Evolution components", 
    argDescrip = 0x0}, {longName = 0x8062e5d "debug", shortName = 0 '\0', 
    argInfo = 1, arg = 0x8064d2c, val = 0, 
    descrip = 0x8062d04 "Send the debugging output of all components to a file.", argDescrip = 0x0}, {longName = 0x8062e63 "disable-eplugin", 
    shortName = 0 '\0', argInfo = 0, arg = 0x8064d28, val = 0, 
    descrip = 0x8062d3c "Disable loading of any plugins.", argDescrip = 0x0}, 
  {longName = 0x8062e73 "setup-only", shortName = 0 '\0', 
    argInfo = 1073741824, arg = 0x8064d24, val = 0, descrip = 0x0, 
    argDescrip = 0x0}, {longName = 0x0, shortName = 0 '\0', argInfo = 0, 
    arg = 0x0, val = 0, descrip = 0x0, argDescrip = 0x0}}
	uri_list = (GSList *) 0x0
	popt_context_value = {g_type = 0, data = {{v_int = 0, v_uint = 0, 
      v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, 
      v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}}}
	program = (GnomeProgram *) 0x806cc28
	args = <value optimized out>
	icon_list = <value optimized out>
#0  0xffffe410 in __kernel_vsyscall ()