Hal Rosenstock wrote:
Sean> Second, when a failed send is reported, there's a mismatch
Sean> between the size of the data copied to the user and the size
Sean> returned from ib_umad_read(). The copied data is
Sean> sizeof(ib_user_mad) + sizeof(ib_mad). The reported size
Sean> turns out to be sizeof(ib_user_mad) + sizeof(ib_mad_hdr).
Sean> It appears that the data copy is off.
Yes, that seems to be a long-standing bug. Not sure when that was introduced.
I have a patch to fix this as part of some general RMPP cleanup/optimizations.
Should the fix for this be separate from other RMPP changes ?
It will take some time for me to separate out this change, but I can do that. I
didn't discover this until near the end of the updates that I was trying to do,
which were actually related to receive handling...
- Sean
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