[openib-general] EEH: MMIO Failure on Power5

[Thaddeus Ternes]

These are OpenPower 720 machines.

I've been away from the office for a few days, so I'll do some more
poking around to see if I can come up with anything else.  Maybe I've
missed something in the logs or dmesg...

Thaddeus

On 9/20/05, Roland Dreier <rolandd at cisco.com> wrote:
>     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.
>