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    SubjectRe: [E1000-devel] 82571EB: Detected Hardware Unit Hang
    On 11/27/12 00:23, Fujinaka, Todd wrote:
    > If you look at the previous section, DevCap, you'll see that it's
    > correctly advertising 256 bytes but the system is negotiating 128 for
    > the link to the Ethernet controller. Things on the "other" side of the
    > link are controlled outside of the e1000 driver.
    >
    > Tushar's first suggestion was to check the PCIe payload settings in the
    > entire chain. Have you done that? Mismatches will cause hangs.

    Hi Todd,

    So far I had to know how to modify the maxpayload size, since BIOS have not
    entry to change this, so I had to use ethtool, now I need to get the offset
    of MaxPayload size in eeprom, I ever tried to find from Intel online document
    but failed, any idea?

    Thanks in advance,
    Joe


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