[systemd-bugs] [Bug 85297] New: systemctl start hangs for SysVinit script with multiple pid files

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85297

            Bug ID: 85297
           Summary: systemctl start hangs for SysVinit script with
                    multiple pid files
           Product: systemd
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
          Assignee: systemd-bugs at lists.freedesktop.org
          Reporter: dgloe at cray.com
        QA Contact: systemd-bugs at lists.freedesktop.org

The slurm init script can start multiple daemons, so it has multiple pid files
listed.

# processname: /opt/slurm/14.11.0-1.0000.44f7451.73.13.ari/sbin/slurmd
# pidfile: /var/run/slurmd.pid
#
# processname: /opt/slurm/14.11.0-1.0000.44f7451.73.13.ari/sbin/slurmctld
# pidfile: /var/run/slurmctld.pid

If slurm is configured so only slurmd starts on the node, systemctl start
slurm.service hangs even though slurmd is running and /var/run/slurmd.pid
exists; I believe because it's looking for the slurmctld pid file.

If the second pidfile line is removed then systemctl start slurm.service
completes successfully, but that breaks nodes where slurmctld is started.

If slurmd is configured to write its pid to /var/run/slurmctld.pid then
systemctl start slurm.service completes successfully, but that means slurmctld
and slurmd can't run on the same node.

nid00059:~ # systemctl --version
systemd 210
+PAM +LIBWRAP +AUDIT +SELINUX -IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT +ACL +XZ
+SECCOMP +APPARMOR

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