dovecot - Jan 2014 - Fatal: master: service(lmtp): child n killed with signal 11 (core dumped) - in mail_cache_header_fields_read

This is log from dovecot 2.1.17 (I had to downgrade from 2.2.10 because lot of
problems) on CentOS 6.5:

2014-01-14T18:36:03+01:00 server/a.b.c.d dovecot: lmtp(5927): Fatal: master:
service(lmtp): child 5927 killed with signal 11 (core dumped)

# uname -a
Linux server 2.6.32-431.1.2.0.1.el6.x86_64 #1 SMP Fri Dec 13 13:06:13 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux

(gdb) bt full
#0  0x00007fb14b9b3bb5 in mail_cache_header_fields_read ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#1  0x00007fb14b9b19aa in mail_cache_open_and_verify ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#2  0x00007fb14b9b35bd in mail_cache_register_get_list ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#3  0x00007fb14b9a11a7 in index_mail_parse_header_init ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#4  0x00007fb14b9a1ff8 in index_mail_cache_parse_init ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#5  0x00007fb14b94c982 in maildir_save_add ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#6  0x00007fb14b94ccd8 in maildir_save_begin ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#7  0x00007fb14b031b23 in quota_save_begin ()
   from /usr/local/dovecot/lib/dovecot/lib10_quota_plugin.so
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#8  0x00007fb14b982552 in mailbox_save_begin ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#9  0x00007fb14b97ae8f in mail_storage_copy ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#10 0x00007fb14b948ef6 in maildir_copy ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#11 0x00007fb14ae25551 in notify_copy ()
   from /usr/local/dovecot/lib/dovecot/lib15_notify_plugin.so
No symbol table info available.
#12 0x00007fb14b031907 in quota_copy ()
   from /usr/local/dovecot/lib/dovecot/lib10_quota_plugin.so
No symbol table info available.
#13 0x00007fb14b9824aa in mailbox_copy ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#14 0x00007fb14a9d7dc6 in act_store_execute ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-sieve.so.0
No symbol table info available.
#15 0x00007fb14a9ce0f4 in _sieve_result_implicit_keep ()
---Type <return> to continue, or q <return> to quit---
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-sieve.so.0
No symbol table info available.
#16 0x00007fb14a9cfe27 in sieve_result_execute ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-sieve.so.0
No symbol table info available.
#17 0x00007fb14a9df918 in sieve_multiscript_run ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-sieve.so.0
No symbol table info available.
#18 0x00007fb14ac2189e in lda_sieve_deliver_mail ()
   from /usr/local/dovecot/lib/dovecot/lib90_sieve_plugin.so
No symbol table info available.
#19 0x00007fb14bc1d305 in mail_deliver ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot-lda.so.0
No symbol table info available.
#20 0x00000000004054c3 in client_input_data_handle ()
No symbol table info available.
#21 0x00007fb14b6ba146 in io_loop_call_io ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot.so.0
No symbol table info available.
#22 0x00007fb14b6bb46d in io_loop_handler_run ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot.so.0
No symbol table info available.
#23 0x00007fb14b6ba0e8 in io_loop_run ()
---Type <return> to continue, or q <return> to quit---
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot.so.0
No symbol table info available.
#24 0x00007fb14b6a4043 in master_service_run ()
   from /usr/local/dovecot-2.1.17/lib/dovecot/libdovecot.so.0
No symbol table info available.
#25 0x0000000000404096 in main ()
No symbol table info available.
(gdb)

MU


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