Hi,

Have you checked the internal load of opensips, by running the `ps` and `get_statistics load:` MI cmds ?

I suspect some blocking I/O operation is blocking the OpenSIPS timer processes, resulting in the reported warning logs.

Also, if possible (not sure in docker) you should run `opensips-cli -x trap` to get an instant x-ray of what the opensips processes are doing, maybe this will help spotting the problem.

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
  https://www.opensips-solutions.com
  https://www.siphub.com

On 04.11.2025 16:10, inderjeet sharma wrote:
version:
opensips 3.1.11
(x86 64/linux)
٧-
flags: STATS: On,
DISABLE_NAGLE, USE MCAST,
PKG_MALLOC, Q_MALLOC, F_MALLOC, HP_MALLOC, DBG_MALLOC, FAST_LOCK ADAPTIVE_WAIT ADAPTIVE WAIT LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE 1024,
BUF_SIZE 65535
poll method support: poll, epoll, sigio_rt, select. git revision: c51486e3a
main.c compiled on 09:20:17 Nov 20 2024 with gcc 11

OpenSSL 3.0.2

PRETTY_NAME="Ubuntu 22.04.5 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.5 LTS (Jammy Jellyfish)™
VERSION CODENAME=] ammy



On Tue, 4 Nov 2025 at 1:50 pm, inderjeet sharma <[email protected]> wrote:

    Hi all,

    I've been running OpenSIPS (v3.x) in a Docker container for the
    past 1-2 years as a WebSocket (WSS) registrar handling SIP
    registrations.
    It has been stable until recently — for the past few weeks, I'm
    seeing severe performance stalls.

    • OpenSIPS suddenly stops responding to SIP REGISTER requests.
    • ss -unap shows high Recv-Q values on the listening ports (UDP +
    WSS).
    • The log is flooded with warnings like:
    08:55:31 opensips-3-1 /usr/local/sbin/opensips[79638]:
    WARNING: core: utimer_ticker: utimer task <tm-utimer> already
    117150 ms ago (now
    336619940 ms), delaying execution
    Nov 3 08:55:31 opensips-3-1/usr/local/sbin/opensips[79638]:
    WARNING: core: utimer_ticker: timer task ‹tm-utimer> already
    scheduled 117280 ms ago (now
    336620070 ms), delaying execution
    Nov
    308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING:
    core: utimer_ticker: utimer task <tm-utimer> already
    scheduled 117350 ms ago (now
    336620140 ms), delaying execution
    NOT
    3 08:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING:
    core: timer_ ticker: timer task <1b-pinger> already scheduled ms
    ago (now 336620140 ms), delaying execution
    08:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING:
    core: timer_ticker: timer task ‹nh-timer> already scheduled ms ago
    (now 336620140 ms), delaying execution
    308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING:
    core:timer_ticker: timer task <pg-chk-timer> already
    scheduled 54750 ms ago (now 336620140 ms), delaying execution
    NOV
    308:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING:
    core: timer_ticker: timer task ‹ul-timer> already scheduled
    79650 ms ago (now 336620140 ms), delaying execution
    Nov
    308:55:32 opensips-3-1/us/local/sbin/opensips [79638]: WARNING:
    core: timer_ticker: timer task <d1g-reinvite-pinger> already
    scheduled 54750 ms ago (now 336620140 ms), delaying execution
    Nov 308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING:
    core:timer_ticker: timer task ‹dig-options-pinger> already
    308:55:32 opensips-3-1/us/local/sbin/opensips[79638]: WARNING:
    core: timer_ticker: timer task ‹dlg-timer> already scheduled
    115460 ms ago (now 336620140 ms), delaying execution
    Nov 308:55:32 opensips-3-1/usr/local/sbin/opensips[79638]:
    WARNING: core: timer_ticker: timer task <EBR timeout> already
    scheduled 54750 ms ago (now 336620140 ms), skipping execution
    308:55:32 opensips-3-1/usr/local/sbin/opensips[79638]: WARNING:
    core: timer_ticker: timer task ‹tm-timer> already

    • Killing the process or restarting the container sometimes does
    not help immediately.
    • CPU and memory usage inside Docker appear normal.

    Thanks
    Inderjeet


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