We are running Cyrus-IMAP 2.2.13 with Cyrus-SASL 2.1.22 and Berkeley DB 4.4.20 on Solaris 9. Periodically imapd core dump with signal 6: (gdb) bt #0 0xffffffff7cda88ec in _libc_kill () from /usr/lib/64/libc.so.1 #1 0xffffffff7f2120d4 in umem_do_abort () from /usr/lib/64/libumem.so #2 0xffffffff7f212378 in umem_err_recoverable () from /usr/lib/64/libumem.so #3 0xffffffff7f211c18 in process_free () from /usr/lib/64/libumem.so #4 0x00000001000675d8 in randlvl () #5 0x000000010005651c in seen_unlock () #6 0x0000000100027bc0 in index_checkseen () #7 0x0000000100028620 in index_check () #8 0x000000010000f5f8 in cmd_idle () #9 0x0000000100021208 in cmdloop () #10 0x0000000100023fb0 in service_main () #11 0x000000010000b6a4 in main () Thanks! -- Alex Deiter ---- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html