Need help to understand Crash issue

nitin.gizare at wipro.com nitin.gizare at wipro.com
Mon Apr 6 17:23:14 UTC 2009


HI

Thanks allot for info 

1. this is not acting as nfs server
2. this of cource acting nfs client since it has mount user home
dir.This is part of our NIS domain.
3.  OS is Linux thunga 2.6.9-55.ELsmp #1 SMP Fri Apr 20 16:36:54 EDT
2007 x86_64 x86_64 x86_64 GNU/Linux 
4. The load on the m/c 4-6 and this 4 CPU 32 GB AMD Server.
5.below are sysctl.conf info 

# Kernel sysctl configuration file for Red Hat Linux
#
# For binary values, 0 is disabled, 1 is enabled.  See sysctl(8) and
# sysctl.conf(5) for more details.

# Controls IP packet forwarding
net.ipv4.ip_forward = 0

# Controls source route verification
net.ipv4.conf.default.rp_filter = 1

# Do not accept source routing
net.ipv4.conf.default.accept_source_route = 0

# Controls the System Request debugging functionality of the kernel
kernel.sysrq = 0

# Controls whether core dumps will append the PID to the core filename.
# Useful for debugging multi-threaded applications.
kernel.core_uses_pid = 1


Rgds
Nitin

-----Original Message-----
From: redhat-sysadmin-list-bounces at redhat.com
[mailto:redhat-sysadmin-list-bounces at redhat.com] On Behalf Of Stephen
John Smoogen
Sent: Monday, April 06, 2009 10:43 PM
To: redhat-sysadmin-list at redhat.com
Subject: Re: Need help to understand Crash issue

On Mon, Apr 6, 2009 at 11:07 AM,  <nitin.gizare at wipro.com> wrote:
> HI
>
>
>
> We have Server with 32 GB Memory , with RHEL 4.0 Up5.
>
> We see server is crashing with some unusual errors.
>
> This being our one of the important server and needs to be stable for
run
> all big jobs, but this is not.
>
> I have captured the kernel panic picture .
>
> Pls help me to solve this .
>
> This is m/c is part of computing farm.

Well it looks like its in croaking in the NFS section. Is it the NFS
server, NFS client, etc. What is the exact kernel that is running, and
what options are used for exporting/importing.. any sysctl.conf
entries would be useful also.



-- 
Stephen J Smoogen. -- BSD/GNU/Linux
How far that little candle throws his beams! So shines a good deed
in a naughty world. = Shakespeare. "The Merchant of Venice"

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