Hi Aki!
Sorry. Here is the right output.
# gdb /usr/local/libexec/dovecot/imap /var/core/24491
GNU gdb (Debian 8.1-3) 8.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
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For help, type "help".
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Reading symbols from /usr/local/libexec/dovecot/imap...(no debugging symbols found)...done.
[New LWP 24491]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `dovecot/imap [jakob 213'.
Program terminated with signal SIGABRT, Aborted.
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
51 ../sysdeps/unix/sysv/linux/raise.c: Datei oder Verzeichnis nicht gefunden.
(gdb) bt full
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
set = {__val = {0, 140735982403592, 140035444961075, 2331576704, 12138802451775488, 140035444733018, 206158430240, 4096, 140735982403592, 94124639053616, 4096, 443744500087950336, 2389, 2380, 2381,
94124639053616}}
pid = <optimized out>
tid = <optimized out>
ret = <optimized out>
#1 0x00007f5c8ac4e2f1 in __GI_abort () at abort.c:79
save_stage = 1
act = {__sigaction_handler = {sa_handler = 0x33580, sa_sigaction = 0x33580}, sa_mask = {__val = {2048, 140035446034307, 140035441399298, 140035443714067, 140035445631889, 140035441273723,
140035445630673, 94124639049440, 443744500087950336, 512, 140035444801458, 140735982404016, 94124639049440, 140735982404016, 140035444801849, 94124639049440}}, sa_flags = -1964120006,
sa_restorer = 0x5}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x00007f5c8aee5daf in ?? () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#3 0x00007f5c8aee5eba in ?? () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#4 0x00007f5c8ae53fe8 in i_panic () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#5 0x00007f5c8b08b028 in ?? () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#6 0x00007f5c8b06272a in index_storage_mailbox_close () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#7 0x00007f5c8afe01aa in mailbox_close () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#8 0x00007f5c8abb7b80 in ?? () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
#9 0x00007f5c8abb7d3b in virtual_backend_box_open () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
#10 0x00007f5c8abbaf19 in virtual_storage_sync_init () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
#11 0x00007f5c8afe26d1 in mailbox_sync_init () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#12 0x00007f5c8afe2787 in mailbox_sync () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#13 0x00007f5c8b060ed1 in index_storage_get_status () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#14 0x00007f5c8abb6ead in ?? () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
#15 0x00007f5c8b044f83 in ?? () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#16 0x00007f5c8abd9602 in ?? () from /usr/local/lib/dovecot/lib20_fts_plugin.so
No symbol table info available.
#17 0x00007f5c8ae0e813 in ?? () from /usr/local/lib/dovecot/lib01_acl_plugin.so
No symbol table info available.
#18 0x00007f5c8afe2b91 in mailbox_get_status () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#19 0x00007f5c8abbab7b in virtual_storage_sync_init () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
#20 0x00007f5c8afe26d1 in mailbox_sync_init () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#21 0x00007f5c8afe2787 in mailbox_sync () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#22 0x00007f5c8b060ed1 in index_storage_get_status () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#23 0x00007f5c8abb6ead in ?? () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
#24 0x00007f5c8b044f83 in ?? () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#25 0x00007f5c8abd9602 in ?? () from /usr/local/lib/dovecot/lib20_fts_plugin.so
No symbol table info available.
#26 0x00007f5c8ae0e813 in ?? () from /usr/local/lib/dovecot/lib01_acl_plugin.so
No symbol table info available.
#27 0x00007f5c8afe2b91 in mailbox_get_status () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#28 0x00007f5c8abbab7b in virtual_storage_sync_init () from /usr/local/lib/dovecot/lib20_virtual_plugin.so
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#29 0x00007f5c8afe26d1 in mailbox_sync_init () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#30 0x00007f5c8afe2787 in mailbox_sync () from /usr/local/lib/dovecot/libdovecot-storage.so.0
No symbol table info available.
#31 0x0000559b17308ace in cmd_select_full ()
No symbol table info available.
#32 0x0000559b17310384 in command_exec ()
No symbol table info available.
#33 0x0000559b1730e832 in ?? ()
No symbol table info available.
#34 0x0000559b1730e8cc in ?? ()
No symbol table info available.
#35 0x0000559b1730ecd5 in client_handle_input ()
No symbol table info available.
#36 0x0000559b1730f2f4 in client_input ()
No symbol table info available.
#37 0x00007f5c8aefe009 in io_loop_call_io () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#38 0x00007f5c8aeff8ce in io_loop_handler_run_internal () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#39 0x00007f5c8aefe10c in io_loop_handler_run () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#40 0x00007f5c8aefe318 in io_loop_run () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#41 0x00007f5c8ae78413 in master_service_run () from /usr/local/lib/dovecot/libdovecot.so.0
No symbol table info available.
#42 0x0000559b17300f81 in main ()
No symbol table info available.
(gdb) quit