[openib-general] IB/mthca: question about HCA profile module parameters

[Moni Shoua]

Dotan Barak wrote:
> Hi Moni.
> 
> I tried to use the mthca module parameter: for example i tried to change
> the number of QPs.
> 
> I got several failures when i used the HCA 25204:
> * sometimes i got the following error message (when using big values,
> for example 512K QPs):
> ib_mthca: 0000:0c: INIT_HCA command failed aborting.
> ib_mthca: probe of 0000:0c: failed with error -16
> * when i tried to use small amount of QPs (1024) the machine just hanged
> and i noticed a kernel oops message on the console
> 
> 
> Did you verify the HCA profile module parameter feature?
> Is there is any known limitation for the values that should be used?
> (for example: only values which are power of two)
> 
> 
> thanks
> Dotan
> 

Hi Dotan,
I verified the profile feature up to the level of successful modprobe.
I am working now to look into your report.
thanks