On Wed, 10 Jan 2018, Marc Haber wrote: > On Wed, Jan 10, 2018 at 09:19:51AM +0100, Cristian Ionescu-Idbohrn wrote: > > On Tue, 9 Jan 2018, Marc Haber wrote: > > > > > > I have never seen that. Are you running your systemd in some debug mode? > > > > Not that I know of. Pid 1 command line is: > > > > /lib/systemd/systemd --system --deserialize 24 > > > > Is there anything else I can check or watch? > > Nothing that is inside my systemd foo.
My systemd fu is limited too. > All my systems just work, and > your bug report is the first (and only) one about this issue. Someone must be the first ;) Do you have your `cron' mail sent to user root? Do you read it? I have local postfix smtp on this box which forwards root mails to my account on another box. > Did the issue appear with atop 2.3.0, or are you having this with older > versions as well? See, this box recently came installed with stretch (init=systemd) and quickly upgraded (by me) to buster. I have no previous experience with the systemd+atop combination. Looking at /lib/systemd/system/atop.service, I see: ExecStart=/usr/share/atop/atop.daily KillSignal=SIGUSR2 and looking at /usr/share/atop/atop.daily I see: kill -USR2 `cat $PIDFILE` # final sample and terminate and try to make sense of it. What process is systemd sending SIGUSR2 to? atop.daily? But atop.daily doesn't catch that signal, does it? The script is obviously sending SIGUSR2 to the running atop daemon. Also, this might also be relevant: /var/log/syslog.1 ----------------- Jan 10 00:00:01 debian CRON[30253]: (root) CMD (if [ -d "/run/systemd/system" ]; then systemctl restart --quiet atop; else /usr/share/atop/atop.daily \& ; fi) Jan 10 00:00:01 debian systemd[1]: atop.service: Trying to enqueue job atop.service/restart/replace Jan 10 00:00:01 debian systemd[1]: atop.service: Installed new job atop.service/restart as 28664 Jan 10 00:00:01 debian systemd[1]: atop.service: Enqueued job atop.service/restart as 28664 Jan 10 00:00:01 debian systemd[1]: atop.service: Changed running -> stop-sigterm Jan 10 00:00:01 debian systemd[1]: Received SIGCHLD from PID 3225 (atop). Jan 10 00:00:01 debian systemd[1]: Child 3225 (atop) died (code=exited, status=0/SUCCESS) Jan 10 00:00:01 debian systemd[1]: atop.service: Child 3225 belongs to atop.service Jan 10 00:00:01 debian systemd[1]: atop.service: Main process exited, code=exited, status=0/SUCCESS Jan 10 00:00:01 debian systemd[1]: atop.service: Changed stop-sigterm -> dead Jan 10 00:00:01 debian systemd[1]: atop.service: Job atop.service/restart finished, result=done Jan 10 00:00:01 debian systemd[1]: atop.service: Converting job atop.service/restart -> atop.service/start Jan 10 00:00:01 debian systemd[1]: atop.service: Passing 0 fds to service Jan 10 00:00:01 debian systemd[1]: atop.service: About to execute: /usr/share/atop/atop.daily Jan 10 00:00:01 debian systemd[1]: atop.service: Forked /usr/share/atop/atop.daily as 30255 Jan 10 00:00:01 debian systemd[1]: atop.service: Changed dead -> running Jan 10 00:00:01 debian systemd[1]: atop.service: Job atop.service/start finished, result=done Jan 10 00:00:01 debian systemd[30255]: atop.service: Executing: /usr/share/atop/atop.daily Jan 10 00:00:04 debian systemd[1]: Received SIGCHLD from PID 30263 (atop.daily). Jan 10 00:00:04 debian systemd[1]: Child 30263 (atop.daily) died (code=exited, status=0/SUCCESS) Jan 10 00:00:04 debian systemd[1]: atop.service: Child 30263 belongs to atop.service /var/log/auth.log ----------------- Jan 10 00:00:01 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10511 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:01 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10512 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:01 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10514 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:01 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10515 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:01 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10518 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:01 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10519 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:04 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10520 reply_cookie=0 error-name=n/a error-message=n/a Jan 10 00:00:04 debian systemd-logind[952]: Got message type=signal sender=:1.1 destination=n/a object=/org/freedesktop/systemd1/unit/atop_2eservice interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=10521 reply_cookie=0 error-name=n/a error-message=n/a Cheers, -- Cristian