Hi, I need some advice on this latest problem I am currently facing.
My box is Ensim 4.1 on RHEL4.
Recently it hangs almost everyday at about 4.25am. It is ping-able but all services just hang there with no response.
A reboot would solve the problem but something is really wrong somewhere.
Once, the tech reported the following to me:
When initially checking your server, it was in kernel panic at the login prompt. The exact message is as follows:
Kernel panic - not syncing: mm/slab.c:2204:spin_is_locked on uninitialized spinlock c180005c
<7>UDP: bad checksum. From xx.xx.xx.xxx:xxxxx to xx.xx.xxx.xxx:xx ulen 54
Could someone advice me where would have gone wrong?
A check at /var/log/messages shows
Feb 11 04:24:52 srv09 syslogd 1.4.1: restart.
Feb 11 04:25:03 srv09 httpd: 6298: httpd_defines: enabled
then logrotation stops followed by reboot with the following continued:
Feb 11 15:41:13 srv09 syslogd 1.4.1: restart.
Feb 11 15:41:13 srv09 syslog: syslogd startup succeeded
Feb 11 23:39:15 srv09 rc.sysinit: -e
Feb 11 23:39:17 srv09 start_udev: Starting udev: succeeded
Feb 11 23:39:20 srv09 udevsend[1400]: starting udevd daemon
Feb 11 23:39:22 srv09 rc.sysinit: -e
Feb 11 23:39:22 srv09 sysctl: net.ipv4.ip_forward = 0
Feb 11 23:39:22 srv09 sysctl: net.ipv4.conf.default.rp_filter = 1
Feb 11 23:39:22 srv09 sysctl: net.ipv4.conf.default.accept_source_route = 0
Feb 11 23:39:22 srv09 sysctl: kernel.sysrq = 0
Feb 11 23:39:22 srv09 sysctl: kernel.core_uses_pid = 1
Feb 11 23:39:22 srv09 sysctl: fs.file-max = 65000
Feb 11 23:39:22 srv09 rc.sysinit: Configuring kernel parameters: succeeded
Feb 11 15:39:19 srv09 date: Wed Feb 11 15:39:19 SGT 2009
Feb 11 15:39:19 srv09 rc.sysinit: Setting clock (localtime): Wed Feb 11 15:39:19 SGT 2009 succeeded
Feb 11 15:39:19 srv09 rc.sysinit: Loading default keymap succeeded
Feb 11 15:39:19 srv09 rc.sysinit: Setting hostname srvxx.xxxxxx.com: succeeded
Feb 11 15:39:24 srv09 fsck: /: clean, 1374263/9371648 files, 7564366/18735798 blocks
Feb 11 15:39:24 srv09 rc.sysinit: Checking root filesystem succeeded
Feb 11 15:39:24 srv09 rc.sysinit: Remounting root filesystem in read-write mode: succeeded
Feb 11 15:39:25 srv09 lvm.static:
Feb 11 15:39:25 srv09 lvm.static: No volume groups found
Feb 11 15:39:25 srv09 rc.sysinit: Setting up Logical Volume Management: succeeded
Feb 11 15:39:25 srv09 fsck: /boot: recovering journal
Feb 11 15:39:25 srv09 fsck: /boot: clean, 34/26104 files, 11868/104388 blocks
Feb 11 15:39:25 srv09 rc.sysinit: Checking filesystems succeeded
Feb 11 15:39:25 srv09 rc.sysinit: Mounting local filesystems: succeeded
Feb 11 15:39:26 srv09 rc.sysinit: Enabling local filesystem quotas: succeeded
Feb 11 15:39:27 srv09 rc.sysinit: Enabling swap space: succeeded
Feb 11 15:39:27 srv09 init: Entering runlevel: 1
Feb 11 15:39:28 srv09 init: Going single user
Feb 11 15:39:35 srv09 sysctl: net.ipv4.ip_forward = 0
Feb 11 15:39:35 srv09 sysctl: net.ipv4.conf.default.rp_filter = 1
Feb 11 15:39:35 srv09 sysctl: net.ipv4.conf.default.accept_source_route = 0
Feb 11 15:39:35 srv09 sysctl: kernel.sysrq = 0
Feb 11 15:39:35 srv09 sysctl: kernel.core_uses_pid = 1
Feb 11 15:39:35 srv09 sysctl: fs.file-max = 65000
Feb 11 15:39:35 srv09 network: Setting network parameters: succeeded
Feb 11 15:39:35 srv09 network: Bringing up loopback interface: succeeded
Feb 11 15:39:37 srv09 network: Bringing up interface eth0: succeeded