System Crash Troubleshooting
Bazooka Joe
fastfish at gmail.com
Tue Feb 28 00:23:00 UTC 2006
I would think this is a hardware issue.
start w/ replacing the ram and see if that fixes it. if not keep replacing
components until stable.
On 2/27/06, Tim Alberts <talberts at msiscales.com> wrote:
>
> I have a problem with system crash/lockups. I've been running Linux for
> several years and have seen this problem time and time again. The system
> log messages at the end of this mail show what I am asking about. I have
> several times in the past had a box running and after some time of stable
> operation, the system will start locking up. Rebooting usually gets the
> thing running for a couple hours. However, the problem never goes away, I
> have to re-install the OS. I have never been able to diagnose the
> problem. The only thing that seems consistent is the system messages
> below. Unfortunately, these messages can run for weeks before the system
> actually becomes unstable and starts locking up so I never thought much of
> these messages.
>
> My general question is, do the messages below indicate a problem that can
> be the cause of my system crash/lockups. If so, how do I start
> troubleshooting this?
>
> Also, as shown in the logs below, the process crond was opening and
> closing sessions. However, it appears something happened with init and/or
> xinetd that caused crond to stop logging sessions for user root. I don't
> get the sessions for root anymore (I do still get the sessions for
> postgres), what could have happened?
>
> Note that I am not running PostgreSQL server so I don't know what could
> possibly have permission/access to open a session for it?
>
> My guess is that my system has been hacked/infected and this is a virus of
> some kind.
>
> ..
>
> Feb 12 04:05:06 msi2 crond(pam_unix)[9463]: session closed for user root
> Feb 12 04:10:01 msi2 crond(pam_unix)[9539]: session opened for user root
> by (uid=0)
> Feb 12 04:10:01 msi2 crond(pam_unix)[9541]: session opened for user root
> by (uid=0)
> Feb 12 04:10:01 msi2 crond(pam_unix)[9540]: session opened for user root
> by (uid=0)
> Feb 12 04:10:02 msi2 crond(pam_unix)[9540]: session closed for user root
> Feb 12 04:10:02 msi2 crond(pam_unix)[9539]: session closed for user root
>
> ..
>
> Feb 14 17:05:01 msi2 crond(pam_unix)[2468]: session opened for user root
> by (uid=0)
> Feb 14 17:05:01 msi2 crond(pam_unix)[2469]: session opened for user root
> by (uid=0)
> Feb 14 17:05:02 msi2 crond(pam_unix)[2468]: session closed for user root
> Feb 14 17:05:03 msi2 su(pam_unix)[2496]: session opened for user postgres
> by (uid=0)
> Feb 14 17:05:03 msi2 su(pam_unix)[2496]: session closed for user postgres
> Feb 14 17:05:04 msi2 crond(pam_unix)[2469]: session closed for user root
> Feb 14 17:09:03 msi2 ntpd[2362]: synchronized to 212.79.244.34, stratum 2
> Feb 14 17:09:55 msi2 kernel: loop: loaded (max 8 devices)
> Feb 14 17:10:01 msi2 crond(pam_unix)[2608]: session opened for user root
> by (uid=0)
> Feb 14 17:10:01 msi2 crond(pam_unix)[2609]: session opened for user root
> by (uid=0)
> Feb 14 17:10:01 msi2 crond(pam_unix)[2610]: session opened for user root
> by (uid=0)
> Feb 14 17:10:02 msi2 crond(pam_unix)[2609]: session closed for user root
> Feb 14 17:10:03 msi2 crond(pam_unix)[2608]: session closed for user root
> Feb 14 17:10:06 msi2 su(pam_unix)[2648]: session opened for user postgres
> by (uid=0)
> Feb 14 17:10:06 msi2 su(pam_unix)[2648]: session closed for user postgres
> Feb 14 17:10:08 msi2 crond(pam_unix)[2610]: session closed for user root
> Feb 14 17:11:27 msi2 init: Trying to re-exec init
> Feb 14 17:12:11 msi2 xinetd[2346]: Starting reconfiguration
> Feb 14 17:12:12 msi2 xinetd[2346]: Swapping defaults
> Feb 14 17:12:12 msi2 xinetd[2346]: Reconfigured: new=0 old=0 dropped=0
> (services)
> Feb 14 17:13:02 msi2 xinetd[2346]: Starting reconfiguration
> Feb 14 17:13:02 msi2 xinetd[2346]: Swapping defaults
> Feb 14 17:13:02 msi2 xinetd[2346]: Reconfigured: new=0 old=0 dropped=0
> (services)
> Feb 14 17:13:48 msi2 named[2012]: client 192.168.0.2#32777: update '
> inside.msi/IN' denied
> Feb 14 17:13:48 msi2 dhcpd: if RWPowerBookG4.inside.msi IN A rrset doesn't
> exist add RWPowerBookG4.inside.msi 43200 IN A 192.168.0.177: timed out.
> Feb 14 17:13:48 msi2 dhcpd: Wrote 40 leases to leases file.
> Feb 14 17:13:48 msi2 dhcpd: DHCPREQUEST for 192.168.0.177 from
> 00:14:51:28:d6:a2 (RWPowerBookG4) via eth1
> Feb 14 17:13:48 msi2 dhcpd: DHCPACK on 192.168.0.177 to 00:14:51:28:d6:a2
> (RWPowerBookG4) via eth1
> Feb 14 17:15:05 msi2 su(pam_unix)[3822]: session opened for user postgres
> by (uid=0)
> Feb 14 17:15:06 msi2 su(pam_unix)[3822]: session closed for user postgres
> Feb 14 17:20:03 msi2 su(pam_unix)[3882]: session opened for user postgres
> by (uid=0)
> Feb 14 17:20:03 msi2 su(pam_unix)[3882]: session closed for user postgres
>
> ..
>
> Feb 26 06:15:04 msi2 su(pam_unix)[20826]: session closed for user postgres
> Feb 26 06:20:03 msi2 su(pam_unix)[20886]: session opened for user postgres
> by (uid=0)
> Feb 26 06:20:03 msi2 su(pam_unix)[20886]: session closed for user postgres
> Feb 26 06:25:03 msi2 su(pam_unix)[20943]: session opened for user postgres
> by (uid=0)
> Feb 26 06:25:03 msi2 su(pam_unix)[20943]: session closed for user postgres
> Feb 26 06:30:03 msi2 su(pam_unix)[21003]: session opened for user postgres
> by (uid=0)
> Feb 26 06:30:03 msi2 su(pam_unix)[21003]: session closed for user postgres
> Feb 26 06:35:03 msi2 su(pam_unix)[21062]: session opened for user postgres
> by (uid=0)
> Feb 26 06:35:03 msi2 su(pam_unix)[21062]: session closed for user postgres
> Feb 26 06:40:03 msi2 su(pam_unix)[21122]: session opened for user postgres
> by (uid=0)
> Feb 26 06:40:03 msi2 su(pam_unix)[21122]: session closed for user postgres
> Feb 26 06:45:03 msi2 su(pam_unix)[21179]: session opened for user postgres
> by (uid=0)
>
>
>
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