We're using dovecot as a proxy between the user and an exchange
server. All over a sudden we're getting:
Aug 27 13:16:07 mproxy dovecot: imap(username): Fatal: master: service(imap):
child 18376 killed with signal 6 (core dumps disabled)
Aug 27 13:16:09 mproxy dovecot: imap(username): Error:
imapc(email.charite.de:993): Command '12 UID FETCH 0 (BODY.PEEK[])'
failed with BAD: 12 The specified message set is invalid.
Aug 27 13:16:09 mproxy dovecot: imap(username): Error: imapc: Mail FETCH failed:
The specified message set is invalid.
Aug 27 13:16:09 mproxy dovecot: imap(username): Panic: file mail-index-map.c:
line 547 (mail_index_map_lookup_seq_range): assertion failed: (first_uid > 0)
Aug 27 13:16:09 mproxy dovecot: imap(username): Error: Raw backtrace:
/usr/lib/dovecot/libdovecot.so.0(+0x5f770) [0x7f76ad2d9770] ->
/usr/lib/dovecot/libdovecot.so.0(+0x5f84e) [0x7f76ad2d984e] ->
/usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f76ad293f2e] ->
/usr/lib/dovecot/libdovecot-storage.so.0(+0xac44e) [0x7f76ad5f044e] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_index_lookup_seq+0x12)
[0x7f76ad601372] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x5ad94)
[0x7f76ad59ed94] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x5af02)
[0x7f76ad59ef02] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mail_get_hdr_stream+0x34)
[0x7f76ad5adb44] ->
/usr/lib/dovecot/libdovecot-storage.so.0(index_mail_get_header_stream+0x107)
[0x7f76ad5d7247] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x5ab09)
[0x7f76ad59eb09] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x5ab95)
[0x7f76ad59eb95] ->
/usr/lib/dovecot/modules/lib20_mail_log_plugin.so(+0x1a0c)
[0x7f76ac8a9a0c] ->
/usr/lib/dovecot/modules/lib20_mail_log_plugin.so(+0x2159)
[0x7f76ac8aa159] ->
/usr/lib/dovecot/modules/lib15_notify_plugin.so(notify_contexts_mail_copy+0x5c)
[0x7f76acaad18c] -> /usr/lib/dovecot/modules/lib15_notify_plugin.so(+0x22c6)
[0x7f76acaae2c6] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_copy+0x6d)
[0x7f76ad5b5fdd] ->
/usr/lib/dovecot/libdovecot-storage.so.0(mailbox_move+0x15)
[0x7f76ad5b60b5] -> dovecot/imap [username 91.22.142.109 UID move]()
[0x40ca95] -> dovecot/imap [username 91.22.142.109 UID
move](command_exec+0x3c) [0x416cfc] -> dovecot/imap [username 91.22.142.109
UID move]() [0x415d5f] -> dovecot/imap [username 91.22.142.109 UID move]()
[0x415e15] -> dovecot/imap [username 91.22.142.109 UID
move](client_handle_input+0x115) [0x416115] -> dovecot/imap [username
91.22.142.109 UID move](client_input+0x72)
[0x4164a2] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x3f)
[0x7f76ad2e9e6f] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xd7)
[0x7f76ad2ead77] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x9)
[0x7f76ad2e9ed9] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
[0x7f76ad2e9f58] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
[0x7f76ad299133]
--
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