On 28/01/2025 21:38 EET Kent Borg via dovecot <dovecot@dovecot.org>
wrote:
I have replicator working well enough…to crash:
Jan 28 11:26:12 la dovecot[1187]: replicator: Panic: data
stack: Out
of memory when allocating 268435496 bytes
Jan 28 11:26:12 la dovecot[1187]: replicator: Error: Raw
backtrace: #0
t_askpass[0x7fa59db0c0] -> #1 backtrace_append
[0x7fa59db374] -> #2
backtra\
ce_get[0x7fa59db510] -> #3 execvp_const[0x7fa59e7ba4] -> #4
i_syslog_fatal_handler[0x7fa59e8510] -> #5 i_panic
[0x7fa5936808] -> #6
t_pop_pass_str\
[0x7fa59e0eb4] -> #7 connection_deinit[0x7fa59e6430] -> #8
pool_datastack_create[0x7fa5a0e7b0] -> #9
array_bsearch_insert_pos_i[0x7fa59d46d0] -> \
#10 t_base64_scheme_decode[0x7fa59dcb24] -> #11
buffer_append[0x7fa59dd3d0] -> #12 replicator_queue_push
[0x556e8f4f40]
-> #13 replicator_brain_in\
it[0x556e8f53e4] -> #14 _start[0x556e8f3d70] -> #15
_start[0x556e8f3f04] -> #16 io_loop_call_io[0x7fa5a02f20] -
> #17
io_loop_handler_run_internal\
[0x7fa5a05450] -> #18 io_loop_handler_run[0x7fa5a05680] -
> #19
io_loop_run[0x7fa5a05944] -> #20 master_service_run
[0x7fa59684b0] ->
#21 main[0x55\
6e8f3930] -> #22 __libc_init_first[0x7fa57676d0] -> #23
__libc_start_main[0x7fa5767780] -> #24 _start[0x556e8f3b80]
Jan 28 11:26:12 la dovecot[1187]: replicator: Fatal:
master:
service(replicator): child 1185 killed with signal 6 (core
dumps
disabled - https://\
dovecot.org/bugreport.html#coredumps)
This is on Debian 12.
# dovecot --version
2.3.19.1 (9b53102964)
There are gigabytes of free RAM, though it says it is trying to
allocate
268,435,496 bytes--on the stack--and that does seem wrong in any
case.
The Maildir being synced is over 430MB, is that too much for dsync??
Suggestions?
Thanks,
-kb
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It's maybe https://github.com/dovecot/core/commit/
d3a097075afb7b5d8955978ed4a2ae99add11f88.patch
Aki
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