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Server crash problem

Server crash problem

2005-05-27 - By IECISA.Ortega Gonzalez, Carlos

Back

Reply: 1 2 3

Hi everybody!

I've got a RHEL 3.0 server, which is used mainly to open remote Xsessions
(using kde), and execute the gui of an application. It has recently crashed
several times, using the 100% of the cpu and not allowing remote (or local)
connections. The only solution is to stop and start the machine using the
power button. I'm not really sure about the cause of these crashes, though I
think here may be a problem with de X Sessions. Here are some data I've
recolected about 20 minutes before the crash:

- Number of opened kde sessions: 17

- Number of connected users (who | wc -l): 58

- Total number of processes in memory: 561

- Number of user processes: 472

- 7% idle cpu

- 1Mb free RAM memory

The /var/adm/messages file shows several errors like this:

<server name> gdm[23933]: gdm_slave_xioerror_handler: Fatal X error -
Restarting <ip:0>

It also has some nfs problems (<server name> kernel: nfs: server <server>
not responding, timed out).

Can anybody tell me how to tune the machine so that it can handle the remote
X Sessions more efficiently? How can I estimate the number of kde sessions
that can be opened in the machine? How can I detect crashed kde sessions or
bad logouts?

There may have been application errors prior to the crash, but I'm not sure.

Thank you very much.

Carlos Ortega Gonz?lez

Iberia Sistemas

DS/SP/Unidad Prod. Ordenadores

email: HYPERLINK
"mailto:iecisa.cortegag@(protected)"iecisa.cortegag@(protected)

Extensi?n: 4691

--
No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.322 / Virus Database: 266.11.16 - Release Date: 24/05/2005

-- ---- ---- ---- ---- ---- ---- ---- ---- ---
Has decidido el mejor precio. Has decidido IBERIA.com
You?ve chosen the best price. You?ve chosen IBERIA.com
-- ---- ---- ---- ---- ---- ---- ---- ---- ---
http://www.iberia.com

<html>

<head>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">

<meta name=Generator content="Microsoft Word 10 (filtered)">

<style>

</style>

</head>

<body lang=ES link=blue vlink=purple>

<div class=Section1>

Hi everybody!

 

I've got a RHEL 3.0 server, which is used
mainly to open remote Xsessions (using kde), and execute the gui of an
application. It has recently crashed several times, using the 100% of the cpu
and not allowing remote (or local) connections. The only solution is to stop
and start the machine using the power button. I'm not really sure about
the cause of these crashes, though I think here may be a problem with de X
Sessions. Here are some data I've recolected about 20 minutes before the
crash:

 

- 
        
Number of opened kde sessions: 17

- 
        
Number of connected users (who | wc
-l):
58

- 
        
Total number of processes in memory:
561

- 
        
Number of user processes: 472


- 
        
7% idle cpu

- 
        
1Mb free RAM memory

 

The /var/adm/messages file shows several errors like
this:

 

?? <server name> gdm[23933]:
gdm_slave_xioerror_handler: Fatal X error - Restarting <ip:0>

 

It also has some nfs problems (<server name>
kernel: nfs: server <server> not responding, timed out).

 

Can anybody tell me how to tune the machine so that
it can handle the remote X Sessions more efficiently? How can I estimate the
number of kde sessions that can be opened in the machine? How can I detect
crashed kde sessions or bad logouts?

 

There may have been application errors prior to the
crash, but I'm not sure.

 

Thank you very much.

 

Carlos Ortega
 Gonz??lez

  Iberia Sistemas

  DS/SP/Unidad Prod. Ordenadores

  email: <a href="mailto:iecisa.cortegag@(protected)">iecisa
.cortegag@(protected)</a>


  Extensi??n: 4691

 

</div>

</body>

</html>
 

-- 
No virus found in this outgoing message. 
Checked by AVG Anti-Virus. 
Version: 7.0.322 / Virus Database: 266.11.16 - Release Date: 24/05/2005 
 
 

-- ---- ---- ---- ---- ---- ---- ---- ---- ---

Has decidido el mejor precio. Has decidido
IBERIA.com 

You?ve chosen the best price. You?ve chosen
IBERIA.com 

-- ---- ---- ---- ---- ---- ---- ---- ---- ---

http://www.iberia.com 
 

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