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Subject: Re: [OMPI devel] shmem error msg
From: Samuel K. Gutierrez (samuel_at_[hidden])
Date: 2011-07-25 12:16:13


Hi Ralph,

It seems as if this issue is related to a missing shm_unlink wrapper
within Valgrind. I'm going to disable posix by default and commit
later today.

Thanks,

--
Samuel K. Gutierrez
Los Alamos National Laboratory
On Jul 23, 2011, at 8:54 PM, Samuel K. Gutierrez wrote:
> Hi Ralph,
>
> That's mine - I'll take a look.
>
> Thanks,
>
> Sam
>
>> Whenever I run valgrind on orterun (or any OMPI tool), I get the  
>> following
>> error msg:
>>
>> --------------------------------------------------------------------------
>> A system call failed during shared memory initialization that should
>> not have.  It is likely that your MPI job will now either abort or
>> experience performance degradation.
>>
>>  Local host:  Ralph
>>  System call: shm_unlink(2)
>>  Error:       Function not implemented (errno 78)
>> --------------------------------------------------------------------------
>>
>> It's coming out of open-rte/help-opal-shmem-posix.txt.
>>
>> Everything continues, so I'm not sure what this is all about. Anyone
>> recognize this???
>>
>> It's on the trunk, running on a Mac, vanilla configure.
>> Ralph
>>
>>
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>
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