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<p>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.<br>
<br>
Alex<br>
</p>
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<div class="moz-cite-prefix">On 10/4/21 11:48 AM, Sebastian Podjasek
wrote:<br>
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cite="mid:18f85a92-01be-cfb3-95cf-8d3bf5a55867@podjasek.pl">
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<p>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?</p>
<p><br>
</p>
<p>Mine looks like this:</p>
<pre>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]
</pre>
<p>And setting vsz_limit = 0 doesn't help either - it just tries
to allocate all available memory.</p>
<p>I'm running:</p>
<p># 2.3.13 (89f716dc2): /etc/dovecot/dovecot.conf<br>
# Pigeonhole version 0.5.13 (cdd19fe3)<br>
# OS: Linux 5.10.0-8-amd64 x86_64 Debian 11.0 <br>
<br>
</p>
<pre class="moz-signature" cols="72">--
Sebastian Podjasek
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