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Intermittent network

Discussion in 'General Discussion' started by inertz, Jan 25, 2010.

  1. inertz

    inertz Member

    Joined:
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    Oklahoma City, Oklahoma, United States
    Hi,

    Currently one of my server have intermittent network issue. The weird thing is it only happening between 1.30am-6.30am. I have check on the cron and did not suspect anything that cause the issue and never experience the issue before with Centos 5.3.

    Code:
    root@svr7 [~]# ethtool -i eth0
    driver: e1000
    version: 7.3.20-k2-NAPI
    firmware-version: N/A
    bus-info: 0000:03:02.0
    root@svr7 [~]# ethtool eth0
    Settings for eth0:
            Supported ports: [ TP ]
            Supported link modes:   10baseT/Half 10baseT/Full
                                    100baseT/Half 100baseT/Full
                                    1000baseT/Full
            Supports auto-negotiation: Yes
            Advertised link modes:  10baseT/Half 10baseT/Full
                                    100baseT/Half 100baseT/Full
                                    1000baseT/Full
            Advertised auto-negotiation: Yes
            Speed: 100Mb/s
            Duplex: Full
            Port: Twisted Pair
            PHYAD: 0
            Transceiver: internal
            Auto-negotiation: on
            Supports Wake-on: umbg
            Wake-on: g
            Current message level: 0x00000007 (7)
            Link detected: yes
    
    
    Dmesg:
    
    e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX
    NETDEV WATCHDOG: eth0: transmit timed out
    e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX/TX
    NETDEV WATCHDOG: eth0: transmit timed out
    
    lspci: 
    
    03:02.0 Ethernet controller: Intel Corporation 82541GI Gigabit Ethernet Controller (rev 05)
    

    Any Idea?

    Is it related with APM or ACPI or the network chip is hot?

    Adi.
     
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