Hi List,

I've subscribed to this list to ask for help in debugging a problem we
seem to have with the socket activated telnetd on a rhel7 system.

A default install of telnetd collects data from some small boxes
deployed in the field. It works for a long time and then suddenly:

Feb 26 17:46:53 bibr systemd: Created slice user-6006.slice.
Feb 26 17:46:53 bibr systemd: Starting user-6006.slice.
Feb 26 17:46:53 bibr systemd: Started Session 2223341 of user <USER>.
Feb 26 17:46:53 bibr systemd-logind: New session 2223341 of user <USER>.
Feb 26 17:46:53 bibr systemd: Starting Session 2223341 of user <USER>.
Feb 26 17:46:53 bibr systemd: Started Telnet Server (<IP>:28830).
Feb 26 17:46:53 pbibr001 systemd: Starting Telnet Server (<IP>:28830)...
Feb 26 17:46:57 bibr systemd: Failed to fork: Cannot allocate memory
Feb 26 17:46:57 bibr systemd: Assertion 'pid >= 1' failed at
src/core/unit.c:1996, function unit_watch_pid(). Aborting.
Feb 26 17:46:57 bibr001 systemd: Caught <ABRT>, cannot fork for core
dump: Cannot allocate memory
Feb 26 17:46:57 bibr systemd: Freezing execution.
Feb 26 17:47:22 bibr dbus[768]: [system] Failed to activate service
'org.freedesktop.systemd1': timed out
Feb 26 17:47:22 bibr dbus-daemon: dbus[768]: [system] Failed to activate
service 'org.freedesktop.systemd1': timed out
Feb 26 17:47:22 bibr systemd-logind: Failed to start session scope
session-2223342.scope: Activation of org.freedesktop.systemd1 timed out
org.freedesktop.DBus.Error.TimedOut
Feb 26 17:47:47 bibr dbus[768]: [system] Failed to activate service
'org.freedesktop.systemd1': timed out
Feb 26 17:47:47 bibr systemd-logind: Failed to abandon session scope:
Connection timed out
Feb 26 17:47:47 bibr dbus-daemon: dbus[768]: [system] Failed to activate
service 'org.freedesktop.systemd1': timed out

And after the systemd: Freezing execution. systemctl is no longer able
to communicate with systemd. It has all the looks of a memory leak
somewhere (systemd  (-logind) or telnetd) but how can I debug this...

Pascal Kolijn

Vrije Universiteit - Amsterdam
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