(gdb) bt
#0  0x0fd46064 in cbmapiterinit () from /usr/lib/libqdbm.so.14
#1  0x0fd5b9cc in vlclose () from /usr/lib/libqdbm.so.14
#2  0x10088a14 in mutt_hcache_close (db=0x10307888) at /home/kibi/admin/madmutt.git/lib-mx/hcache.c:413
#3  0x100852c8 in mh_sync_mailbox (ctx=0x101711e0, unused=<value optimized out>, index_hint=<value optimized out>) at /home/kibi/admin/madmutt.git/lib-mx/mh.c:1289
#4  0x1007e5bc in sync_mailbox (ctx=0x101711e0, index_hint=0x7f93d3bc) at /home/kibi/admin/madmutt.git/lib-mx/mx.c:516
#5  0x10080460 in mx_sync_mailbox (ctx=0x101711e0, index_hint=0x7f93d3bc) at /home/kibi/admin/madmutt.git/lib-mx/mx.c:924
#6  0x1009b470 in mutt_index_menu () at /home/kibi/admin/madmutt.git/lib-ui/curs_main.c:1036
#7  0x10066d38 in main (argc=<value optimized out>, argv=<value optimized out>) at /home/kibi/admin/madmutt.git/main.c:569