[CentOS] Misterious hang

Mon Nov 14 17:18:21 UTC 2011
Ljubomir Ljubojevic <office at plnet.rs>

Vreme: 11/14/2011 05:09 PM, Fajar Priyanto piše:
> On Thu, Nov 10, 2011 at 5:03 PM, Fajar Priyanto<fajarpri at arinet.org>  wrote:
>> Hi all,
>> Recently one my Centos 5.7 VM just crashes at least once a day randomly (hang).
>> In /var/log/messages there is nothing at all that there is problem (no
>> error, no failure). The log just stops.
>> The only change I did before this crashes is I activated LDAP
>> authentication, and also auditd. But I don't see any evidence relating
>> to it.
> Hi all,
> I want to give update....
> Removing auditd didn't solve the problem. Still hang.
> So, finally I create a cronjob to echo date and time into a text file
> every 5 minutes to find out if there is a pattern on when the hang
> occurs and the result is ........
> It hasn't hang for more than 3 days...!
> Definitely there is still problem, but somehow that cronjob prevents
> the hang from occurring. Like as if the VM got idle, it will hang?
> I don't know...
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Do you have some sort of standby turned on by the guest?

Or maybe Host does not see any activity of the guest and tryies to 
suspend it?


Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

Google is the Mother, Google is the Father, and traceroute is your
trusty Spiderman...
StarOS, Mikrotik and CentOS/RHEL/Linux consultant