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Thread: Wired Ethernet in Jaunty Jackalope

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  1. #1
    Join Date
    Apr 2009
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    6

    Lightbulb Wired Ethernet in Jaunty Jackalope

    I've only done this on Ibex/Jaunty Ubuntu howver I'm assuming it is probably applicable elsewhere. Upon upgrading, my wired connection would not work (specifically for my nVidia MCP55 (rev a2) ). I remembered a fix I had found from Ibex for the same issue, and trying it, it works.

    Code:
    user@user:~$ lspci | grep Ethernet
    00:11.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
    00:12.0 Bridge: nVidia Corporation MCP55 Ethernet (rev a2)
    user@user:~$ modprobe -l | grep forcedeth
    kernel/drivers/net/forcedeth.ko
    user@user:~$ dmesg | grep forcedeth
    [   11.820109] forcedeth: Reverse Engineered nForce ethernet driver. Version 0.61.
    [   11.820446] forcedeth 0000:00:11.0: PCI INT A -> Link[APCH] -> GSI 22 (level, low) -> IRQ 22
    [   11.820450] forcedeth 0000:00:11.0: setting latency timer to 64
    [   12.340563] forcedeth 0000:00:11.0: ifname eth0, PHY OUI 0x5043 @ 19, 00:00:00:00:00:00
    [   12.340566] forcedeth 0000:00:11.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim desc-v3
    [   12.340855] forcedeth 0000:00:12.0: PCI INT A -> Link[AMC1] -> GSI 21 (level, low) -> IRQ 21
    [   12.340858] forcedeth 0000:00:12.0: setting latency timer to 64
    [   12.860567] forcedeth 0000:00:12.0: ifname eth1, PHY OUI 0x5043 @ 19, addr 00:00:00:00:00
    [   12.860570] forcedeth 0000:00:12.0: highdma csum vlan pwrctl mgmt timirq gbit lnktim desc-v3
    [   21.906979] Modules linked in: ck804xrom(+) mtd x_tables soundcore chipreg usbhid(+) usblp snd_page_alloc map_funcs i2c_nforce2 nvidia(P) psmouse serio_raw pcspkr ohci1394 forcedeth ieee1394 floppy vesafb fbcon tileblit font bitblit softcursor
    This is what I did to fix it:

    Add the following to: /etc/modprobe.d/options

    Code:
    options forcedeth msi=0 msix=0
    Then [POTENTIALLY DANGEROUS COMMAND, BE CAREFUL]:
    Code:
    sudo update-initramfs -u
    REBOOT


    However, I have three questions about it.

    --What exactly do the commands above do?
    --Where does this line actually belong? Jaunty is reporting that the lines should be in a conf file because the options file will be ignored in the future.
    --Is there a better way to do this?

    Thanks.

  2. #2
    Join Date
    Apr 2009
    Beans
    6

    Re: Wired Ethernet in Jaunty Jackalope

    One more thing, the network interface does seem a little sluggish when loading web pages and such, that's why I'm not sure this is the best solution albeit functioning.

  3. #3
    Join Date
    Apr 2009
    Beans
    6

    Re: Wired Ethernet in Jaunty Jackalope

    Anyone?

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