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Old 06-10-2007, 12:08 PM   #1
mhm
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Registered: Oct 2006
Distribution: RHEL, FC
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Question NIC stops working suddenly


Hi all,

I have a RHEL 4 update 3 OS, my NIC suddenly stops working and there is no lights flushing (green and orange) if i leave the server for a while (like one hour). But when i do service network restart, life goes back to NIC and all the lights flushing normally and ping works great, but also after a while the NIC dies again.... it needs service network restart every while.

I checked system logs --> kernel: tg3: eth0: link is down.
I also checked the /etc/modprobe.conf, alias eth0 tg3

is the irq number ( set to unknown ) in system-config-network anything to do with this??? or it is a hardware problem or there is any services that blocks the network service after a while, or the OS is frozen and stops the service....

PLZ answer me guys
I really appreciate your help

Regards
 
Old 06-10-2007, 12:15 PM   #2
jdogpc
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Registered: Jul 2005
Location: Mafra, PT
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Hi mhm,

This may be a stupid suggestion but check out you energy saving configuration on your motherboard bios and disable power savings on the network cards.

BTW what's nic model and make?

Last edited by jdogpc; 06-10-2007 at 02:20 PM.
 
Old 06-10-2007, 12:26 PM   #3
mhm
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ok i will check it, but if its not the problem as i think because the NIC was working properly before what to check next????

Regards
 
Old 06-10-2007, 12:29 PM   #4
Brian1
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Registered: Jan 2003
Location: Seymour, Indiana
Distribution: Distribution: RHEL 5 with Pieces of this and that. Kernel 2.6.23.1, KDE 3.5.8 and KDE 4.0 beta, Plu
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I would check to see if NetworkManager service is running. If so disable it and see if that helps.
To check /sbin/service --status-all | grep NetworkManager
/sbin/service Networkmanager stop
/sbin/chkconfig --level 345 NetworkManager off

Brian
 
Old 06-10-2007, 02:24 PM   #5
mhm
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Thanx Brian about your help
In rhel 3.4 there is no service called networkmanager, any additional ideas pls...

thnx

mhm
Regards
 
Old 06-10-2007, 02:35 PM   #6
Brian1
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Registered: Jan 2003
Location: Seymour, Indiana
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That was my only idea. Based that on RHEL 5 which has NetworkManager service. Just to make sure since you wrote back in all lower case for the name NetworkManager, it is capital N and M in the name.

Brian
 
  


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