Rui Machado wrote:
Withouth wanting to abuse on your generosity :) :
:) yep sorry.
The value for max_mr_size is 18446744073709551615 (can this one be ? )
Again, how do I decode this?
What about the huge number above? It is much bigger than 16GB (my
current limit).
Does this mean my only take should be on the num_mtt parameter and try
to do as you suggested? (reducing on the rest)
This number is the size of the maximum continigues block which can be
registered,
it is a number of bytes (you can decode it in hex, and it will look like
0xffffffffffffffff)
Ok. And is there a limit?
And out of curiosity, how does this calculation gets done? I mean, can
I take the values and say: Ok, with this num_mtt we can go up to X?
I guess there is an upper limit (device specific) but since i don't have an
available data sheet for this device
i can't tell you what it is.
I guess you can't find that online or?
not that i know of (sorry)
Tried with the module parameter but not sucessfully. I get errors like
ib_mthca 0000:23:00.0: Failed to initialize memory region table, aborting.
or
ib_mthca: Invalid value 1048580 for num_mtt in module parameter.
ib_mthca: Corrected num_mtt to 2097152.
I guess I'm just shooting in the dark :)
I remember that i saw that in the past (i think that the problem was kmalloc
of more than 128K..)
Can you try to decrease the number of the resources that you don't need
(MRs/CQs/QPs/SRQs) using the
module parameters, i think that this MAY help you.
I will try!
Thanks for the generosity :D
Don't mention it...
Dotan
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