Oct 29 16:21:40 widder dovecot: imap(limon): Panic: file mail-search.c: line 90 (mail_search_args_init_sub): assertion failed: (arg->value.keywords == NULL) Oct 29 16:21:40 widder dovecot: imap(limon): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x451b1) [0xb76911b1] -> /usr/lib/dovecot/libdovecot.so.0(+0x4521f) [0xb769121f] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0xb7660d4e] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x3b845) [0xb770a845] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_search_result_update_flags+0xe3) [0xb77320d3] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_sync_search_results_update+0x69) [0xb77394f9] -> /usr/lib/dovecot/libdovecot-storage.so.0(index_mailbox_sync_deinit+0x1f5) [0xb7738855] -> /usr/lib/dovecot/lib20_fts_plugin.so(+0xa0a6) [0xb74970a6] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_deinit+0x3a) [0xb770f7fa] -> /usr/lib/dovecot/lib20_virtual_plugin.so(virtual_storage_sync_init+0xbf2) [0xb7487ac2] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_sync_init+0x39) [0xb770f769] -> dovecot/imap(imap_sync_init+0x54) [0x8060294] -> dovecot/imap() [0x8052262] -> dovecot/imap(cmd_idle+0xc3) [0x80523f3] -> dovecot/imap(command_exec+0x3d) [0x80591cd] -> dovecot/imap() [0x805815f] -> dovecot/imap() [0x8058230] -> dovecot/imap(client_handle_input+0x12d) [0x805847d] -> dovecot/imap(client_input+0x5f) [0x8058daf] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x42) [0xb769ff92] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0xd3) [0xb76a0f43] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40) [0xb769fa30] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x2d) [0xb768880d] -> dovecot/imap(main+0x2b1) [0x8061c71] -> /lib/libc.so.6(__libc_start_main+0xe7) [0xb74de573] -> dovecot/imap() [0x804fa51] Oct 29 16:21:40 widder dovecot: imap(limon): Fatal: master: service(imap): child 8060 killed with signal 6 (core dumped)