[CentOS] Server locking up everyday around 3:30 AM - (INFO: task wget:13608 blocked for more than 120 seconds) need sleep, help.

Fri Mar 11 21:31:13 UTC 2011
Denniston, Todd A CIV NAVSURFWARCENDIV Crane <todd.denniston at navy.mil>

> -----Original Message-----
> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> Behalf Of PJ
> Sent: Friday, March 11, 2011 12:34
> To: centos at centos.org
> Subject: [CentOS] Server locking up everyday around 3:30 AM - (INFO:
task
> wget:13608 blocked for more than 120 seconds) need sleep, help.
<SNIP>
> There are no cron jobs that run at 3:30, no backups, the server has a
> load of 0, nothing is scheduled around that time...
> 
<SNIP>

Are you sure the stuff in /etc/cron.daily/ is done by then or not
started yet?
Could be something like the mlocate or makewhatis chewing up CPU/Mem.
IIRC the stuff in /etc/cron.daily/ runs in alphabetic order so, are you
(root) getting the logwatch messages, and at what time?