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Intel driver change? Cant set duplex.

Simon Shaw
Running latest version 6.303

Can't seem to set duplex on eth1 like I used to be able to... I get this error:

(Intel Pro 1000 NICs)

micromine-gw:/home/login # mii-diag -F 10baseT-FD eth1

Setting the speed to "fixed", Control register 0100.
SIOCSMIIREG on eth1 failed: Operation not supported
Basic registers of MII PHY #0:  1140 796d 0141 0c23 0de1 0021 0004 2801.
 Basic mode control register 0x1140: Auto-negotiation enabled.
 You have link beat, and everything is working OK.
 Your link partner is generating 10baseT link beat  (no autonegotiation).
   End of basic transceiver information.

Any ideas?


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  • 0
    Simon,
    my reading of the second last line of the config report says that the box at the other end is only capable of 10mb simplex or am I being a bit simple?

    Ian M
  • 0
    Have you tried using ethtool to do the same?

    ethtool -s eth1 speed 10 duplex full
  • 0 in reply to drees
    drees, thanks for that one, wasn't aware of the ethtool command.
    However, it doesn't work.  No error thrown though...

    micromine-gw:/home/login # ethtool -s eth1 speed 10 duplex full
    micromine-gw:/home/login # mii-diag eth1
    Basic registers of MII PHY #0:  1140 796d 0141 0c23 0de1 0021 0004 2801.
     Basic mode control register 0x1140: Auto-negotiation enabled.
     You have link beat, and everything is working OK.
     Your link partner is generating 10baseT link beat  (no autonegotiation).
       End of basic transceiver information.

    RFCat_vk : Well I used to be able to set full duplex.  However the media converter for some reason won't auto-neg duplex correctly so always had to be forced.  It should be set to 10mbit, full duplex.

    I'll ring our ISP re the media convertor.
  • 0 in reply to Simon Shaw
    What happens when you run

    # ethtool -s eth1 speed 10 duplex full
    # ethtool

    Instead of running mii-diag after? What does ethtool say? I think mii-diag may be putting the NIC back into auto-negotiation mode.
  • 0 in reply to drees
    Nope, running as per above instructions:

    micromine-gw:/home/login # ethtool eth1
    Settings for eth1:
            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: 10Mb/s
            Duplex: Half
            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
    micromine-gw:/home/login # ethtool -s eth1 speed 10 duplex full
    micromine-gw:/home/login # ethtool eth1 
    Settings for eth1:
            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: 10Mb/s
            Duplex: Half
            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
  • 0 in reply to Simon Shaw
    Something else to try...

    Try turning auto-neg off first:

    # ethtool -s eth1 autoneg off
    # ethtool -s eth1 duplex full

    Then run ethtool and see if it's in full-duplex or not...

    -Dave
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