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Subject: Re: [OMPI users] OpenMPI-ROMIO-OrangeFS
From: Edgar Gabriel (gabriel_at_[hidden])
Date: 2014-03-27 19:26:33


I will resubmit a new patch, Rob sent me a pointer to the correct
solution. Its on my to do list for tomorrow/this weekend.

Thanks
Edgar

On 3/27/2014 5:45 PM, Dave Love wrote:
> Edgar Gabriel <gabriel_at_[hidden]> writes:
>
>> not sure honestly. Basically, as suggested in this email chain earlier,
>> I had to disable the PVFS2_IreadContig and PVFS2_IwriteContig routines
>> in ad_pvfs2.c to make the tests pass. Otherwise the tests worked but
>> produced wrong data. I did not have however the time to figure what
>> actually goes wrong underneath the hood.
>
> [I can't get into trac to comment on the issue (hangs on login), so I'm
> following up here.]
>
> In case it's not clear, the changes for 1.6 and 1.7 are different, and
> probably shouldn't be. The patch I took from 1.7 looked similar to
> what's in mpich, but hard-wired rather than autoconfiscated, whereas the
> patch for 1.6 on the tracker sets the entries to NULL instead.
>
>> Edgar
>>
>> On 3/25/2014 9:21 AM, Rob Latham wrote:
>>>
>>>
>>> On 03/25/2014 07:32 AM, Dave Love wrote:
>>>> Edgar Gabriel <gabriel_at_[hidden]> writes:
>>>>
>>>>> I am still looking into the PVFS2 with ROMIO problem with the 1.6
>>>>> series, where (as I mentioned yesterday) the problem I am having right
>>>>> now is that the data is wrong. Not sure what causes it, but since I have
>>>>> teach this afternoon again, it might be friday until I can digg into
>>>>> that.
>>>>
>>>> Was there any progress with this? Otherwise, what version of PVFS2 is
>>>> known to work with OMPI 1.6? Thanks.
>>>
>>> Edgar, should I pick this up for MPICH, or was this fix specific to
>>> OpenMPI ?
>>>
>>> ==rob
>>>
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-- 
Edgar Gabriel
Associate Professor
Parallel Software Technologies Lab      http://pstl.cs.uh.edu
Department of Computer Science          University of Houston
Philip G. Hoffman Hall, Room 524        Houston, TX-77204, USA
Tel: +1 (713) 743-3857                  Fax: +1 (713) 743-3335