linux-kernel - Re: SDP bugs 2027 and 2028

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Message-ID: <4BD3F0A9.4080306@mellanox.co.il>
Date:	Sun, 25 Apr 2010 10:35:05 +0300
From:	Amir Vadai <amirv@...lanox.co.il>
To:	Andrea Gozzelino <Andrea.Gozzelino@....infn.it>
CC:	"Tung, Chien Tin" <chien.tin.tung@...el.com>,
	Steve Wise <swise@...ngridcomputing.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	"rolandd@...co.com" <rolandd@...co.com>,
	"peterz@...radead.org" <peterz@...radead.org>,
	"pavel@....cz" <pavel@....cz>, "mingo@...e.hu" <mingo@...e.hu>,
	Eric B Munson <ebmunson@...ibm.com>
Subject: Re: SDP bugs 2027 and 2028

I have a fix for 2027 (number of SGE's issue) read.
I'm busy with other things - but hopefully will succeed testing it and
pushing it today.

As to 2028 (No FMR support) - I need pushed a fix to only disable ZCopy
when no FMR facility.
I don't have time right now to add support for fast memory registeration
when FMR is not available - but Steve said he'll help with implementing it.

- Amir

On 04/23/2010 05:34 PM, Andrea Gozzelino wrote:
> Hi Amir, 
>
> have you any news about bug 2027 and 2028 (SDP)?
>
> Take care and keep in touch.
> Thamk you very much,
> Andrea
>
>
> On Apr 21, 2010 02:01 PM, Amir Vadai <amirv@...lanox.co.il> wrote:
>
>   
>> Hi Andrea,
>>
>> I am preparing the fix right now.
>>
>> - Amir
>>
>> On 04/20/2010 04:53 PM, Andrea Gozzelino wrote:
>>     
>>> Hi Amir,
>>>
>>> have you any news about bugs 2027 "SDP not respecting # SGEs as
>>> reported
>>> from HW" and 2028 "SDP should support fastreg mrs"?
>>>
>>> When those bugs will be fixed, I will test the NE020 cards
>>> performance
>>> with SDP protocol and I will compare SDP and TCP.
>>>
>>> Keep in touch,
>>>
>>> Andrea Gozzelino
>>>
>>> INFN - Laboratori Nazionali di Legnaro	(LNL)
>>> Viale dell'Universita' 2
>>> I-35020 - Legnaro (PD)- ITALIA
>>> Tel: +39 049 8068346
>>> Fax: +39 049 641925
>>> Mail: andrea.gozzelino@....infn.it
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Apr 15, 2010 10:38 AM, Amir Vadai <amirv@...lanox.co.il> wrote:
>>>
>>>   
>>>       
>>>> It should be a simple fix and I plan to do soon - just add yourself
>>>> as
>>>> CC in bugzilla  - that way I won't forget to notify you.
>>>>
>>>> - amir
>>>>
>>>> On 04/15/2010 10:07 AM, Andrea Gozzelino wrote:
>>>>     
>>>>         
>>>>> On Apr 15, 2010 08:24 AM, Amir Vadai <amirv@...lanox.co.il> wrote:
>>>>>
>>>>>   
>>>>>       
>>>>>           
>>>>>> I hope to have a fix next week for the first one.
>>>>>>
>>>>>> Thanks,
>>>>>> Amir
>>>>>>
>>>>>> On 04/14/2010 09:48 PM, Tung, Chien Tin wrote:
>>>>>>     
>>>>>>         
>>>>>>             
>>>>>>>> Tung, Chien Tin wrote:
>>>>>>>>     
>>>>>>>>         
>>>>>>>>             
>>>>>>>>                 
>>>>>>>>>> One more thing - Please open a bug regarding the num_sge
>>>>>>>>>> limitation at:
>>>>>>>>>> https://bugs.openfabrics.org/
>>>>>>>>>>
>>>>>>>>>>         
>>>>>>>>>>             
>>>>>>>>>>                 
>>>>>>>>>>                     
>>>>>>>>> Done, Bug 2027.
>>>>>>>>>
>>>>>>>>> Chien
>>>>>>>>>
>>>>>>>>>       
>>>>>>>>>           
>>>>>>>>>               
>>>>>>>>>                   
>>>>>>>> And 2028 opened to request fastreg support.
>>>>>>>>
>>>>>>>>     
>>>>>>>>         
>>>>>>>>             
>>>>>>>>                 
>>>>>>> I am open to test fixes for these two bugs.
>>>>>>>
>>>>>>> Chien
>>>>>>>
>>>>>>>   
>>>>>>>       
>>>>>>>           
>>>>>>>               
>>>>>>     
>>>>>>         
>>>>>>             
>>>>> Hi Amir, 
>>>>> Hi Chien,
>>>>>
>>>>> I understand that the bug 2027 could be solved next week, so I
>>>>> will
>>>>> test
>>>>> SDP protocol performance on NE020 cards.
>>>>> Is it correct? 
>>>>> If yes, could you point out the code modifies?
>>>>>
>>>>> Keep in touch and take care.
>>>>> Regards,
>>>>> Andrea
>>>>>
>>>>>
>>>>> Andrea Gozzelino
>>>>>
>>>>> INFN - Laboratori Nazionali di Legnaro	(LNL)
>>>>> Viale dell'Universita' 2
>>>>> I-35020 - Legnaro (PD)- ITALIA
>>>>> Tel: +39 049 8068346
>>>>> Fax: +39 049 641925
>>>>> Mail: andrea.gozzelino@....infn.it			
>>>>>
>>>>>
>>>>>   
>>>>>       
>>>>>           
>>>>     
>>>>         
>>> 		
>>>
>>> --
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>>     
>
>
>
>   
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