here's a backtrace, but I'm not sure it does any good.

(gdb) thread apply all bt

Thread 11 (Thread -1249932400 (LWP 9728)):
#0  0xb7f50410 in ?? ()
#1  0xb57f8338 in ?? ()
#2  0x000004e5 in ?? ()
#3  0x00000000 in ?? ()

Thread 10 (Thread -1258325104 (LWP 9729)):
#0  0xb7f50410 in ?? ()
#1  0xb4ff7338 in ?? ()
#2  0x000004e4 in ?? ()
#3  0x00000000 in ?? ()

Thread 9 (Thread -1266717808 (LWP 9730)):
#0  0xb7f50410 in ?? ()
#1  0xb47f6338 in ?? ()
#2  0x000004e2 in ?? ()
#3  0x00000000 in ?? ()

Thread 8 (Thread -1275110512 (LWP 9746)):
#0  0xb7f50410 in ?? ()
#1  0xb3ff52e8 in ?? ()
#2  0xffffffff in ?? ()
---Type <return> to continue, or q <return> to quit---
#3  0x00000002 in ?? ()
#4  0xb71426f3 in poll () from /lib/tls/i686/cmov/libc.so.6
#5  0xb7533ba3 in g_main_context_iterate (context=0x8ea7418, block=1, 
    dispatch=1, self=0x8eac780) at gmain.c:2979
#6  0xb7533f19 in IA__g_main_loop_run (loop=0x8ea5bf0) at gmain.c:2881
#7  0xb7500734 in libnm_glib_init () from /usr/lib/libnm_glib.so.0
#8  0xb754e71f in g_thread_create_proxy (data=0x8eac780) at gthread.c:553
#9  0xb6fda31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb714c3ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 7 (Thread -1284297840 (LWP 9747)):
#0  0xb6fdc497 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
#1  0xb7158da6 in pthread_mutex_lock () from /lib/tls/i686/cmov/libc.so.6
#2  0xb73a0915 in camel_store_summary_info_free ()
   from /usr/lib/libcamel-provider-1.2.so.10
#3  0xb5811062 in camel_imap_store_summary_full_name ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelimap.so
#4  0xb58110fe in camel_imap_store_summary_add_from_full ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelimap.so
#5  0xb580bd03 in camel_imap_store_readline ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelimap.so
#6  0xb580bfa8 in camel_imap_store_readline ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelimap.so
---Type <return> to continue, or q <return> to quit---
#7  0xb580c5b8 in camel_imap_store_readline ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelimap.so
#8  0xb739dcf2 in camel_session_get_service_connected ()
   from /usr/lib/libcamel-provider-1.2.so.10
#9  0xb720ce34 in e_msgport_reply () from /usr/lib/libedataserver-1.2.so.9
#10 0xb6fda31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#11 0xb714c3ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 6 (Thread -1301083248 (LWP 9749)):
#0  0xb7f50410 in ?? ()
#1  0xb2730338 in ?? ()
#2  0x00000209 in ?? ()
#3  0x00000000 in ?? ()

Thread 5 (Thread -1292690544 (LWP 9764)):
#0  0xb7f50410 in ?? ()
#1  0xb2f31338 in ?? ()
#2  0x000000b5 in ?? ()
#3  0x00000000 in ?? ()

Thread 4 (Thread -1330594928 (LWP 9781)):
#0  0xb7f50410 in ?? ()
#1  0xb0b0b2f8 in ?? ()
---Type <return> to continue, or q <return> to quit---
#2  0xffffffff in ?? ()
#3  0x0000000b in ?? ()
#4  0xb71426f3 in poll () from /lib/tls/i686/cmov/libc.so.6
#5  0xb7533ba3 in g_main_context_iterate (context=0x9360010, block=1, 
    dispatch=1, self=0x93ee4f8) at gmain.c:2979
#6  0xb7533f19 in IA__g_main_loop_run (loop=0x9c7dcf0) at gmain.c:2881
#7  0xb7c504d0 in link_set_io_thread () from /usr/lib/libORBit-2.so.0
#8  0xb754e71f in g_thread_create_proxy (data=0x93ee4f8) at gthread.c:553
#9  0xb6fda31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb714c3ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread -1320645744 (LWP 10208)):
#0  0xb7f50410 in ?? ()
#1  0xb14882e8 in ?? ()
#2  0xffffffff in ?? ()
#3  0x00000001 in ?? ()
#4  0xb71426f3 in poll () from /lib/tls/i686/cmov/libc.so.6
#5  0xb7533ba3 in g_main_context_iterate (context=0xbb1f6a8, block=1, 
    dispatch=1, self=0xb492ab8) at gmain.c:2979
#6  0xb7533f19 in IA__g_main_loop_run (loop=0xbb244c0) at gmain.c:2881
#7  0xb7231772 in e_book_get_type () from /usr/lib/libebook-1.2.so.9
#8  0xb754e71f in g_thread_create_proxy (data=0xb492ab8) at gthread.c:553
#9  0xb6fda31b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#10 0xb714c3ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread -1346245744 (LWP 10571)):
#0  0xb7f50410 in ?? ()
#1  0xafc1e298 in ?? ()
#2  0x000001a1 in ?? ()
#3  0x00000000 in ?? ()

Thread 1 (Thread -1233463616 (LWP 9691)):
#0  0xb7f50410 in ?? ()
#1  0xbff1c7e8 in ?? ()
#2  0x000032a2 in ?? ()
#3  0x00000009 in ?? ()
#4  0xb71426f3 in poll () from /lib/tls/i686/cmov/libc.so.6
#5  0xb7533ba3 in g_main_context_iterate (context=0x808e5b8, block=1, 
    dispatch=1, self=0x8066280) at gmain.c:2979
#6  0xb7533f19 in IA__g_main_loop_run (loop=0x80c3de8) at gmain.c:2881
#7  0xb7d25a23 in bonobo_main () from /usr/lib/libbonobo-2.so.0
#8  0x0805e7f6 in POA_GNOME_Evolution_DataServer_InterfaceCheck__fini ()
#9  0xb7092ebc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#10 0x08050061 in ?? ()
#0  0xb7f50410 in ?? ()