When loading the modules, the proper arguments need to be checked if one 
depends on another. You can easily reproduce this problem by only using num_vfs 
= N.

Shirley

On 06/19/2014 11:34 PM, Or Gerlitz wrote:
> On Fri, Jun 20, 2014 at 9:33 AM, Or Gerlitz <or.gerl...@gmail.com> wrote:
>> On Fri, Jun 20, 2014 at 9:21 AM, Wei Yang <weiy...@linux.vnet.ibm.com> wrote:
>>
>>>>> From this log, it happens during probe?
>>>>> If not, any action after probe?
>>
>>>> yep, maybe the bug still exists in the error flow of probe? you can probe 
>>>> with
>>>> num_vfs=1,1,1 port_type_array=1,1 and see if you hit it
>>
>>> I tried this
>>> modprobe mlx4_core num_vfs=3 probe_vf=3 port_type_array=1,1
>>> It looks good to me.
>>
>> NO. I wanted you to hit the error flow where this bug seems to
>> remain... so you need to try and use single ported VFs with IB e.g
>> $ modprobe mlx4_core num_vfs=1,1,1 port_type_array=1,1
> 
> or
> 
> $ modprobe mlx4_core num_vfs=1,1,1 probe_vf=1,1,1 rt_type_array=1,1
> 
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