[openib-general] EEH: MMIO Failure on Power5

Roland Dreier rolandd at cisco.com
Tue Sep 20 10:37:10 PDT 2005


    Thaddeus> I'm attempting to bring up a Mellanox card in a Power5
    Thaddeus> machine and have hit a snag.  I'm wondering if anybody
    Thaddeus> else has seen issues similar to this on this particular
    Thaddeus> hardware, as these cards seem to work in the Power4
    Thaddeus> machines.  The card is detected, but then I hit an MMIO
    Thaddeus> failure and ib_mthca fails.  The call trace (from dmesg)
    Thaddeus> is listed below.  I do see that the firmware is older,
    Thaddeus> but am not sure if that would necessarily bring about
    Thaddeus> this problem.  Any input is appreciated.

For what it's worth, I have Mellanox PCI-X HCAs working fine in
POWER5-based OpenPower 710 systems.  What kind of system are you using?

It seems that you may really be hitting an error on the PCI bus that
the pSeries hardware is detecting.

 - R.



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