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    <p>Can you provide 'bt full'</p>
    <p>Aki
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    <div class="moz-cite-prefix">On 18.09.2018 15:15, Simone Lazzaris
      wrote:<br>
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      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">In data marted́ 18 settembre 2018 14:07:26 CEST, Aki Tuomi ha scritto:</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> If you are using systemd, create</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> /etc/systemd/system/dovecot.service.d/limits.conf and put</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> [Service]LimitCORE=infinity</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> </p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> and run </p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">> systemctl daemon-reloadsystemctl restart dovecot</p>
      <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">Nope, I'm on a debian 7, without systemd. Anyway, I've resolved the issue: I had to set fs.suid_dumpable BEFORE starting dovecot.</p>
      <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">I've got a core dump, and here is the backtrace. Let me know if you want the core file.</p>
      <p style="-qt-paragraph-type:empty; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; "> </p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">gdb) bt</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#0  0xb76e4428 in __kernel_vsyscall ()</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#1  0xb74636c1 in raise () from /lib/i386-linux-gnu/i686/cmov/libc.so.6</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#2  0xb7466af2 in abort () from /lib/i386-linux-gnu/i686/cmov/libc.so.6</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#3  0xb76485ae in default_fatal_finish (type=<optimized out>, status=status@entry=0) at failures.c:201</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#4  0xb7648641 in i_internal_fatal_handler (ctx=0xbf839cc0, format=0x805c274 "file %s: line %d (%s): assertion failed: (%s)", args=0xbf839ce4 "4\370\005\bI\004") at failures.c:670</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#5  0xb75ce35e in i_panic (format=format@entry=0x805c274 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:275</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#6  0x080574f7 in doveadm_connection_deinit (_conn=_conn@entry=0xbf839d60) at doveadm-connection.c:1097</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#7  0x08057f03 in doveadm_connection_input (conn=0x0) at doveadm-connection.c:1051</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#8  0xb76613db in io_loop_call_io (io=0x82fb780) at ioloop.c:600</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#9  0xb7662e1e in io_loop_handler_run_internal (ioloop=ioloop@entry=0x82bd648) at ioloop-epoll.c:223</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#10 0xb7661496 in io_loop_handler_run (ioloop=ioloop@entry=0x82bd648) at ioloop.c:649</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#11 0xb7661658 in io_loop_run (ioloop=0x82bd648) at ioloop.c:624</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#12 0xb75da45e in master_service_run (service=0x82bd578, callback=callback@entry=0x804d360 <client_connected>) at master-service.c:719</p>
      <p style=" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; -qt-user-state:0;">#13 0x0804cf5e in main (argc=1, argv=0x82bd300) at main.c:366</p>
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-- </p>
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