Linux Reboot - abnormal reboot, what caused it ?

[Linux Reboot - abnormal]

I got a issue of reboot of server. I am not able to find out what caused it.

Below are the logs i found from server.

Sep 14 04:02:04 lolx2 cups: cupsd shutdown succeeded
Sep 14 04:02:04 lolx2 cups: cupsd startup succeeded
Sep 14 04:02:04 lolx2 snmpd[15523]: Received TERM or STOP signal... shutting down...
Sep 14 04:02:05 lolx2 snmpd: snmpd shutdown succeeded

[root@lolx2:/var/log]
# more messages
Sep 14 04:02:05 lolx2 syslogd 1.4.1: restart.
Sep 14 04:02:05 lolx2 snmpd: snmpd startup succeeded
Sep 14 04:02:05 lolx2 snmpd[27670]: cmaX: listening for subagents on port 25375
Sep 14 04:02:05 lolx2 snmpd[27670]: cmaX: sent ColdStarts on ports 25376 to 25393
Sep 14 04:02:05 lolx2 snmpd[27670]: cmaX: subMIB 1 handler has disconnected

#hplog -v

0059 Information 09:04 09/05/2008 09:04 09/05/2008 0001
LOG: System Power Supply Inserted (Power Supply 3)

0060 Caution 09:04 09/05/2008 09:04 09/05/2008 0001
LOG: System Power Supply: General Failure (Power Supply 3)

0061 Caution 00:00 00/00/0000 00:00 00/00/0000 0001
LOG: System Power Supply: General Failure (Power Supply 3)

0062 Caution 13:46 09/14/2008 13:46 09/14/2008 0001
LOG: POST Error: 1615-Power Supply Failure or Power Supply Unplugged in Bay 3


Please advise me.

[Ragu_3]

Someone removed the hot-swap power supply, check whether it has been put back in place.