(gdb) bt
#0  0x00b62635 in g_list_remove_link () from /usr/lib/libglib-2.0.so.0
#1  0x00b6614a in g_source_attach () from /usr/lib/libglib-2.0.so.0
#2  0x00b6644f in g_timeout_add_full () from /usr/lib/libglib-2.0.so.0
#3  0x00b664cf in g_timeout_add () from /usr/lib/libglib-2.0.so.0
#4  0x081c549d in log_print (instance=LOG_DEBUG_FILTERING,
    format=0x820c058 "checking if message matches [ %s ]\n") at log.c:139
#5  0x0810dbfa in matcherlist_match (matchers=0x8df43d8, info=0xa626a30) at matcher.c:1485
#6  0x080cf512 in filter_message_by_msginfo (flist=0x8df73c8, info=0xa626a30, ac_prefs=0x8d97a58,
    context=FILTERING_INCORPORATION, extra_info=0x0) at filtering.c:660
#7  0x08176010 in procmsg_msglist_filter (list=0xa5165c0, ac=0x8d97a58, filtered=0xbfc0c438,
    unfiltered=0xbfc0c434, do_filter=1) at procmsg.c:2123
#8  0x080f7e6f in inc_start (inc_dialog=0x8b0f360) at inc.c:659
#9  0x080f8ddc in inc_all_account_mail (mainwin=0x8ba1100, autocheck=0, notify=1) at inc.c:359
#10 0x0819cc11 in toolbar_inc_all_cb (widget=0x8b7b970, data=0x8c13fe8) at toolbar.c:904