server hang problem

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Operating Systems Linux Red Hat server hang problem
# 1  
Old 08-20-2009
server hang problem

Hello everybody..

I have RHEL-4 Server with kernel - Linux 2.6.9-78.0.1.ELlargesmp x86_64
It is used for Development usage..
That server got hang and so reboot was required, when checked log file i found following messages,

kernel: warning: many lost ticks.
kernel: Your time source seems to be instable or some driver is hogging interupts
kernel: rip __do_softirq+0x4d/0xd0
kernel: Falling back to HPET

Can anybody help me out to understand what are these messages?
What action need to be taken to avoid these?
I would appreciate your help..
# 2  
Old 08-20-2009
# 3  
Old 08-21-2009
Thanks Neo.
# 4  
Old 08-21-2009
Can someone tell me from where should i get the logs if the server hangs?Similar to the above case. Help me Laximikant...
# 5  
Old 08-24-2009
When server hangs i couldnot find any way to connect and login i had to reboot it and then i could filter the logs at the time when it got hung..
Thats what i done Guru..
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