replicator: Panic: data stack: Out of memory when allocating ...

[Joelly Alexander]

Same issue since Debian 8 (actually running Debian 10) and tried 
everything what was mentioned but found nothing that fixed it, doesn't 
seem to be Debian related as other users reporting the same problem on 
Arch or CentOS without being able to fix.

Alex

On 10/4/21 11:48 AM, Sebastian Podjasek wrote:
>
> I've seen thread with problem identical to mine started "Fri May 28 
> 13:54:27 EEST 2021" and I was wondering did you get to fix this issue?
>
>
> Mine looks like this:
>
> dovecot: replicator: Panic: data stack: Out of memory when allocating 1073741864 bytes
> dovecot: replicator: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f57c5a4c4e2] -> /usr/lib/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f57c5a4c5fe] -> /usr/lib/dovecot/libdovecot.so.0(+0xfc49b) [0x7f57c5a5849b] -> /usr/lib/dovecot/libdovecot.so.0(+0xfc531) [0x7f57c5a58531] -> /usr/lib/dovecot/libdovecot.so.0(+0x53aee) [0x7f57c59afaee] -> /usr/lib/dovecot/libdovecot.so.0(+0x53435) [0x7f57c59af435] -> /usr/lib/dovecot/libdovecot.so.0(+0xf5d88) [0x7f57c5a51d88] -> /usr/lib/dovecot/libdovecot.so.0(+0x11b818) [0x7f57c5a77818] -> /usr/lib/dovecot/libdovecot.so.0(+0xf25f2) [0x7f57c5a4e5f2] -> /usr/lib/dovecot/libdovecot.so.0(+0xf26a9) [0x7f57c5a4e6a9] -> /usr/lib/dovecot/libdovecot.so.0(buffer_write+0x1e) [0x7f57c5a4e8be] -> dovecot/replicator(replicator_queue_push+0x14a) [0x55aabc673b1a] -> dovecot/replicator(+0x5296) [0x55aabc673296] -> dovecot/replicator(+0x493e) [0x55aabc67293e] -> dovecot/replicator(+0x4acc) [0x55aabc672acc] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f57c5a6df59] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x132) [0x7f57c5a6f592] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x50) [0x7f57c5a6e000] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x40) [0x7f57c5a6e1c0] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f57c59e44e3] -> dovecot/replicator(main+0x18d) [0x55aabc671cad] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f57c57b4d0a] -> dovecot/replicator(_start+0x2a) [0x55aabc671d6a]
>
> And setting vsz_limit = 0 doesn't help either - it just tries to 
> allocate all available memory.
>
> I'm running:
>
> # 2.3.13 (89f716dc2): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.5.13 (cdd19fe3)
> # OS: Linux 5.10.0-8-amd64 x86_64 Debian 11.0
>
> -- 
> Sebastian Podjasek
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