Try setting
service replicator {
vsz_limit = 0
}
Aki
> On 14/08/2020 13:19 Thomas Tsiakalakis <[email protected]> wrote:
>
>
>
> So nobody has any idea why this could happen?
> Let me know if I should provide more Information
> Thanks
>
> ThomasTsiakalakis
>
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> Von:Thomas Tsiakalakis
> Gesendet: Dienstag, 23. Juni 2020 11:25
> An: [email protected]
> 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: '[email protected]' <[email protected]>
> 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@mail1>
> Jun 18 15:55:48 mail1 postfix/qmgr[3458]: 18533C009C8: from=<root@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([email protected])<3673><q5sLCGRy615ZDgAATn/NZw>: Warning:
> replication([email protected]): Sync failure:
> Jun 18 15:55:48 mail1 dovecot[1833]:
> lmtp([email protected])<3673><q5sLCGRy615ZDgAATn/NZw>: Warning:
> replication([email protected]): Remote sent invalid input: -
> Jun 18 15:55:48 mail1 dovecot[1833]:
> lmtp([email protected])<3673><q5sLCGRy615ZDgAATn/NZw>:
> msgid=<20200618135548.18533C009C8@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=<[email protected]>,
> orig_to=<[email protected]>, 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
> <[email protected]> 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)
