AW: replicator: Panic: data stack: Out of memory

Tue Sep 1 14:26:18 EEST 2020

Still the same error just with more bytes:

replicator: Panic: data stack: Out of memory when allocating 17179869224 bytes

Thomas Tsiakalakis

Team Applikationsbetrieb
GDV Dienstleistungs-GmbH
Tel: +49(40)33449-4318
E-Mail: mailto:Thomas.Tsiakalakis at gdv-dl.de

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Fred di Giuseppe Chiachiarella

Aufsichtsratsvorsitzender: Werner Schmidt

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-----Ursprüngliche Nachricht-----
Von: Aki Tuomi <aki.tuomi at open-xchange.com>
Gesendet: Freitag, 14. August 2020 12:21
An: Thomas Tsiakalakis <Thomas.Tsiakalakis at gdv-dl.de>; dovecot at dovecot.org
Betreff: Re: replicator: Panic: data stack: Out of memory

Try setting

service replicator {
  vsz_limit = 0
}

Aki

> On 14/08/2020 13:19 Thomas Tsiakalakis <thomas.tsiakalakis at gdv-dl.de> wrote:
>
>
>
> So nobody has any idea why this could happen?
> Let me know if I should provide more Information Thanks
>
>  ThomasTsiakalakis
>
> Team Applikationsbetrieb
>  GDV Dienstleistungs-GmbH
>  Tel: +49(40)33449-4318
>  Fax:
>  E-Mail:Thomas.Tsiakalakis at gdv-dl.de
>
>
>
>
>  GDV Dienstleistungs-GmbH
>  Glockengießerwall 1
>  D-20095 Hamburg
>  www.gdv-dl.de (http://www.gdv-dl.de)
>
>  Niederlassungen:
>
>  Wilhelmstraße 43 / 43 G
>  10117 Berlin
>
>  Frankenstraße 18
>  20097 Hamburg
>
>  Sitz und Registergericht: Hamburg
>  HRB 145291
>  USt.-IdNr : DE 205183123
>
>  Geschäftsführer:
>  Dr. Jens Bartenwerfer
>  Fred di Giuseppe Chiachiarella
>
>  Aufsichtsratsvorsitzender: Werner Schmidt
>
>  ------------------------------------------------------------------
>  Diese E-Mail und alle Anhänge enthalten vertrauliche und/oder rechtlich geschützte Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese E-Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe der E-Mail ist nicht gestattet.
>
>  This e-mail and any attached files may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden.
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>
> Von:Thomas Tsiakalakis
>  Gesendet: Dienstag, 23. Juni 2020 11:25
>  An: dovecot at dovecot.org
>  Betreff: AW: replicator: Panic: data stack: Out of memory I managed
> to convince the System that I really want a core dump Von:Thomas
> Tsiakalakis
>  Gesendet: Donnerstag, 18. Juni 2020 16:26
>  An: 'dovecot at dovecot.org' <dovecot at dovecot.org>
>  Betreff: replicator: Panic: data stack: Out of memory Hi, I have set
> up 2 SLES 15 Hosts with dovecot and replication. Everything seems to work fine but every time a message is delivered, I get an out of memory error in the logs. The Replication itself seems to work fine though.
> I increased default_vsz_limit to 512M but the only thing that changed
> was that dovecot was trying to allocate 1073741864 bytes instead of
> 268435496 As I said, I’m running SLES 15 SP1 and Dovecot 2.3.10 (0da0eff44) (both Hosts have the same version) Each Host currently has 8GB of Memory.
> # free -h
> total used free shared buff/cache available
> Mem: 7.8Gi 278Mi 7.3Gi 47Mi 183Mi 7.2Gi
> Swap: 4.0Gi 0B 4.0Gi
> # journalctl -f
> Jun 18 15:55:48 mail1 postfix/pickup[3457]: 18533C009C8: uid=0
> from=<root> Jun 18 15:55:48 mail1 postfix/cleanup[3669]: 18533C009C8:
> message-id=<20200618135548.18533C009C8 at mail1>
> Jun 18 15:55:48 mail1 postfix/qmgr[3458]: 18533C009C8:
> from=<root at mail1>, size=431, nrcpt=1 (queue active) Jun 18 15:55:48
> mail1 dovecot[1833]: lmtp(3673): Connect from local Jun 18 15:55:48
> mail1 dovecot[1833]: replicator: Panic: data stack: Out of memory when
> allocating 268435496 bytes Jun 18 15:55:48 mail1 dovecot[1833]: replicator: Error: Raw backtrace: /usr/lib64/dovecot/libdovecot.so.0(backtrace_append+0x42) [0x7f8346d6d262] -> /usr/lib64/dovecot/libdovecot.so.0(backtrace_get+0x1e) [0x7f8346d6d37e] -> /usr/lib64/dovecot/libdovecot.so.0(+0xebcee) [0x7f8346d77cee] -> /usr/lib64/dovecot/libdovecot.so.0(+0xebd91) [0x7f8346d77d91] -> /usr/lib64/dovecot/libdovecot.so.0(i_fatal+0) [0x7f8346cd1f8b] -> /usr/lib64/dovecot/libdovecot.so.0(t_pop_last_unsafe+0) [0x7f8346d73660] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe7a50) [0x7f8346d73a50] -> /usr/lib64/dovecot/libdovecot.so.0(+0x10eb58) [0x7f8346d9ab58] -> /usr/lib64/dovecot/libdovecot.so.0(+0xe3ac5) [0x7f8346d6fac5] -> /usr/lib64/dovecot/libdovecot.so.0(buffer_write+0xf2) [0x7f8346d6fdb2] -> dovecot/replicator(replicator_queue_push+0xde) [0x5648989a5cde] -> dovecot/replicator(+0x5464) [0x5648989a5464] -> dovecot/replicator(+0x4a0b) [0x5648989a4a0b] -> dovecot/replicator(+0x4c02) [0x5648989a4c02] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_call_io+0x69) [0x7f8346d90c99] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x134) [0x7f8346d92574] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_handler_run+0x4c) [0x7f8346d90d9c] -> /usr/lib64/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f8346d90fc8] -> /usr/lib64/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f8346d01873] -> dovecot/replicator(main+0x1a0) [0x5648989a3cb0] -> /lib64/libc.so.6(__libc_start_main+0xea) [0x7f83468f534a] -> dovecot/replicator(_start+0x2a) [0x5648989a3d5a] Jun 18 15:55:48 mail1 dovecot[1833]: lmtp(test at example.com)<3673><q5sLCGRy615ZDgAATn/NZw>: Warning: replication(test at example.com): Sync failure:
> Jun 18 15:55:48 mail1 dovecot[1833]:
> lmtp(test at example.com)<3673><q5sLCGRy615ZDgAATn/NZw>: Warning:
> replication(test at example.com): Remote sent invalid input: - Jun 18
> 15:55:48 mail1 dovecot[1833]:
> lmtp(test at example.com)<3673><q5sLCGRy615ZDgAATn/NZw>:
> msgid=<20200618135548.18533C009C8 at mail1>: saved mail to INBOX Jun 18
> 15:55:48 mail1 dovecot[1833]: lmtp(3673): Disconnect from local:
> Client has quit the connection (state=READY) Jun 18 15:55:48 mail1
> postfix/lmtp[3672]: 18533C009C8: to=<test at example.com>,
> orig_to=<test at domain.com>, relay=mail1[private/dovecot-lmtp],
> delay=0.17, delays=0.02/0.01/0.02/0.13, dsn=2.0.0, status=sent (250
> 2.0.0 <test at example.com> q5sLCGRy615ZDgAATn/NZw Saved) Jun 18 15:55:48
> mail1 postfix/qmgr[3458]: 18533C009C8: removed Jun 18 15:55:48 mail1
> dovecot[1833]: replicator: Fatal: master: service(replicator): child
> 2948 killed with signal 6 (core not dumped -
> https://dovecot.org/bugreport.html#coredumps - set
> /proc/sys/fs/suid_dumpable to 2)