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Re: Newly installed 2 CPU Xeon 5130 hangs



On Wed, 2006-10-18 at 07:02 -0400, Peter Møller Neergaard wrote:
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> Hash: SHA1
> 
> Over the weekend, we installed a new server based on two Xeon 5130  
> processors.  We installed Fedora Core 5 and updated to the latest  
> versions on the package.
> 
> Since installing the server, we've two times experienced that the  
> server completely hang: all processes became unresponsive and there  
> was no longer generated any log information.  In both cases we had to  
> hard reboot the machine.  The first time after 3 hours, the second  
> time after 30 minutes.
> 
> 1. Are there any known issues that could cause this?
> 
> 2.  Any suggestions for BIOS settings that might cause this
> 
> 3.  Any suggestions on how to determine whether this is the hardware  
> or the operating system.
> 
> The best suggestion, I've found so far is turning off unused services.
> 
> I've included the full output of "uname -a" and "/proc/cpuinfo" below  
> in case it matters.
> 
> Thank you in advance.
> 
> /Peter
> 
> 

I'd suggest you do the following (step by step):
A. run memtest86 [1] on the machine for ~24 hours. Are there any memory
errors?
B. Start the machine in text-only runlevel 3 [2], does the machine still
lock?
C. Get a serial NULL cable and use to monitor the machine from a remote
machine [3]. Can you see any kernel error logs?

- Gilboa

[1] http://www.memtest86.com/

[2] When grub starts, type E (edit) and add "3" to the command line and
then 'B' (boot)

[3] I.
http://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/configure-kernel-grub.html
      II. Install agetty.
      III.
http://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/getty-agetty.html
      IIII. Use minicom (Linux) or HyperTerminal (Windows) to open a
terminal on the machine.



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