search for: doveadm_connection_deinit

...003 s ago, connected 0.007 s ago, 8516 peak output buffer size, 0.004 CPU secs since connected) Sep 11 03:25:25 imap-front4 dovecot: director: doveadm: Host 192.168.1.144 vhost count changed from 0 to 100 Sep 11 03:25:25 imap-front4 dovecot: director: Panic: file doveadm-connection.c: line 1097 (doveadm_connection_deinit): assertion failed: (conn->to_ring_sync_abort == NULL) Sep 11 03:25:25 imap-front4 dovecot: director: Fatal: master: service(director): child 2237 killed with signal 6 (core dumps disabled) Sep 11 03:25:25 imap-front4 dovecot: director: Connecting to 212.183.164.161:9090 (as 212.183.164.164):...

...0, format=0x805c274 "file %s: line %d (%s): assertion failed: (%s)", args=0xbf839ce4 "4\370\005\bI\004") at failures.c:670 #5 0xb75ce35e in i_panic (format=format at entry=0x805c274 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:275 #6 0x080574f7 in doveadm_connection_deinit (_conn=_conn at entry=0xbf839d60) at doveadm-connection.c:1097 #7 0x08057f03 in doveadm_connection_input (conn=0x0) at doveadm-connection.c:1051 #8 0xb76613db in io_loop_call_io (io=0x82fb780) at ioloop.c:600 #9 0xb7662e1e in io_loop_handler_run_internal (ioloop=ioloop at entry=0x82bd648) at i...

In data marted? 11 settembre 2018 10:46:30 CEST, Timo Sirainen ha scritto: > On 11 Sep 2018, at 10.57, Simone Lazzaris <s.lazzaris at interactive.eu> wrote: > > Sep 11 03:25:55 imap-front4 dovecot: director: Panic: file > > doveadm-connection.c: line 1097 (doveadm_connection_deinit): assertion > > failed: (conn->to_ring_sync_abort == NULL) Sep 11 03:25:55 imap-front4 > > dovecot: director: Fatal: master: service(director): child 4395 killed > > with signal 6 (core dumps disabled) > It's crashing. Can you get gdb backtrace? First enable core dumps....

Some more information: the issue has just occurred, again on an instance without the "service_count = 0" configuration directive on pop3-login. I've observed that while the issue is occurring, the director process goes 100% CPU. I've straced the process. It is seemingly looping: ... ... epoll_ctl(13, EPOLL_CTL_ADD, 78, {EPOLLIN|EPOLLPRI|EPOLLERR|EPOLLHUP, {u32=149035320,

...0xb75ce35e in i_panic (format=format at entry=0x805c274 "file %s: line %d (%s): assertion failed: (%s)") at failures.c:275 ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0, timestamp_usecs = 0} args = 0xbf839ce4 "4\370\005\bI\004" #6 0x080574f7 in doveadm_connection_deinit (_conn=_conn at entry=0xbf839d60) at doveadm-connection.c:1097 conn = 0x82fb580 __FUNCTION__ = "doveadm_connection_deinit" #7 0x08057f03 in doveadm_connection_input (conn=0x0) at doveadm-connection.c:1051 line = <optimized out> ret = <optimized o...

On 18 Sep 2018, at 13.29, Simone Lazzaris <s.lazzaris at interactive.eu> wrote: > > > Hi all, again; > > > > I've enabled the core dumps and let it go for some day waiting for the issue > > to reoccur. > > > > Meantime I've also upgraded the poolmon script, as Sami suggested. > > > > It seems that the upgrade has scared the issue

On 11 Sep 2018, at 10.57, Simone Lazzaris <s.lazzaris at interactive.eu> wrote: > > Sep 11 03:25:55 imap-front4 dovecot: director: Panic: file doveadm-connection.c: line 1097 (doveadm_connection_deinit): assertion failed: (conn->to_ring_sync_abort == NULL) > Sep 11 03:25:55 imap-front4 dovecot: director: Fatal: master: service(director): child 4395 killed with signal 6 (core dumps disabled) It's crashing. Can you get gdb backtrace? First enable core dumps. https://dovecot.org/bugreport...

...file %s: line %d (%s): assertion failed: (%s)", > args=0xbf839ce4 "4\370\005\bI\004") at failures.c:670 > > #5 0xb75ce35e in i_panic (format=format at entry=0x805c274 "file %s: line > %d (%s): assertion failed: (%s)") at failures.c:275 > > #6 0x080574f7 in doveadm_connection_deinit > (_conn=_conn at entry=0xbf839d60) at doveadm-connection.c:1097 > > #7 0x08057f03 in doveadm_connection_input (conn=0x0) at > doveadm-connection.c:1051 > > #8 0xb76613db in io_loop_call_io (io=0x82fb780) at ioloop.c:600 > > #9 0xb7662e1e in io_loop_handler_run_internal >...

...where one backend come back online. Unfortunately, the core was not dumped.... And I don't know what to do: the director service was not chrooted, and ulimit -c is unlimited. >From the log file: Sep 18 12:21:46 imap-front4 dovecot: director: Panic: file doveadm-connection.c: line 1097 (doveadm_connection_deinit): assertion failed: (conn->to_ring_sync_abort == NULL) Sep 18 12:21:46 imap-front4 dovecot: director: Error: Raw backtrace: /usr/local/lib/dovecot/ libdovecot.so.0(+0xa15be) [0xb77345be] -> /usr/local/lib/dovecot/libdovecot.so. 0(+0xa1641) [0xb7734641] -> /usr/local/lib/dovecot/libdovecot....

...Host 192.168.1.145 changed down (vhost_count=100 last_updown_change=0) Sep 18 13:54:52 imap-front4 dovecot: director: doveadm: Host 192.168.1.145 changed up (vhost_count=100 last_updown_change=1537271662) Sep 18 13:54:52 imap-front4 dovecot: director: Panic: file doveadm-connection.c: line 1097 (doveadm_connection_deinit): assertion failed: (conn->to_ring_sync_abort == NULL) Sep 18 13:54:52 imap-front4 dovecot: director: Error: Raw backtrace: /usr/local/lib/dovecot/ libdovecot.so.0(+0xa15be) [0xb76fa5be] -> /usr/local/lib/dovecot/libdovecot.so. 0(+0xa1641) [0xb76fa641] -> /usr/local/lib/dovecot/libdovecot....