[ewg] Re: [ofa-general] questions about OFED 1.2 IPoIB bonding

Roland Dreier rdreier at cisco.com
Tue Apr 10 21:27:49 PDT 2007


 > > Out of curiousity, why does this cause a catastrophic error?  I would
 > > have thought a work request with a bogus bus address would generate an
 > > affiliated error, since you know exactly resource what caused the bad
 > > transaction.

 > It seems bus controller noticed an illegal transaction and started
 > aborting all transactions mastered from this misbehaving device.

I see, that's not really a true catastrophic error -- the mthca code
will report it as one, because polling the the error buffer will get
back all 0xffffffff, but that's just because the HCA has been isolated
from the PCI bus.

 - R.



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