While working on the openIB port for PVFS2, I've stumbled across some
problems in posting rdma requests via the user-verbs interface with
ib_mthca drivers.
According to a 'TODO' buried in the gen2 src/linux-kernel/infiniband/hw/ :
"MW support: ib_mthca does not support memory windows"
The opcodes that I receive for non-rdma requests are all correct,
however, when posting rdma requests, I'm consistently getting work
completions with opcodes of:
IBV_WC_BIND_MW
I'm not making any (known) calls or requests to bind to a memory window,
or for that matter to create a memory window.
So how does a completion event get generated with an opcode indicating a
currently unimplemented feature has just finished?
And are there other reasons why I should/would be getting this type of
completion?
Thanks,
Kyle
--
Kyle Schochenmaier
[EMAIL PROTECTED]
Research Assistant, Dr. Brett Bode
AmesLab - US Dept.Energy
Scalable Computing Laboratory
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