al message ----
>> From: Gilles Gouaillardet
>> Date: 29/07/2015 14:17 (GMT+01:00)
>> To: Open MPI Users
>> Subject: Re: [OMPI users] Invalid read of size 4 (Valgrind error) with
>> OpenMPI 1.8.7
>>
>> Thomas,
>> can
; Original message ----
>> From: Gilles Gouaillardet
>> Date: 29/07/2015 14:17 (GMT+01:00)
>> To: Open MPI Users
>> Subject: Re: [OMPI users] Invalid read of size 4 (Valgrind error) with
>> OpenMPI 1.8.7
>>
>> Thom
1:00)
> To: Open MPI Users
> Subject: Re: [OMPI users] Invalid read of size 4 (Valgrind error) with
> OpenMPI 1.8.7
>
> Thomas,
> can you please elaborate ?
> I checked the code of opal_os_dirpath_create and could not find where
> such a thing
probably 1-2 weeks to do it.
>
> Michael
>
>
> Original message
> From: Gilles Gouaillardet
> Date: 29/07/2015 14:17 (GMT+01:00)
> To: Open MPI Users
> Subject: Re: [OMPI users] Invalid read of size 4 (Valgrind error) with
> OpenMPI 1.8.
message
From: Gilles Gouaillardet
List-Post: users@lists.open-mpi.org
Date: 29/07/2015 14:17 (GMT+01:00)
To: Open MPI Users
Subject: Re: [OMPI users] Invalid read of size 4 (Valgrind error) with OpenMPI
1.8.7
Thomas,
can you please elaborate ?
I checked the code of opal_os_dirpath_create
Thomas,
can you please elaborate ?
I checked the code of opal_os_dirpath_create and could not find where such
a thing can happen
Thanks,
Gilles
On Wednesday, July 29, 2015, Thomas Jahns wrote:
> Hello,
>
> On 07/28/15 17:34, Schlottke-Lakemper, Michael wrote:
>
>> That’s what I suspected. Tha
Hello,
On 07/28/15 17:34, Schlottke-Lakemper, Michael wrote:
That’s what I suspected. Thank you for your confirmation.
you are mistaken, the allocation is 51 bytes long, i.e. valid bytes are at
offsets 0 to 50. But since the read of 4 bytes starts at offset 48, the bytes at
offsets 48, 49, 5
Hi Ralph,
That’s what I suspected. Thank you for your confirmation.
Michael
On 25 Jul 2015, at 16:10 , Ralph Castain
mailto:r...@open-mpi.org>> wrote:
Looks to me like a false positive - we do malloc some space, and do access
different parts of it. However, it looks like we are inside the spa
Looks to me like a false positive - we do malloc some space, and do access
different parts of it. However, it looks like we are inside the space at all
times.
I’d suppress it
> On Jul 23, 2015, at 12:47 AM, Schlottke-Lakemper, Michael
> wrote:
>
> Hi folks,
>
> recently we’ve been getting
Hi folks,
recently we’ve been getting a Valgrind error in PMPI_Init for our suite of
regression tests:
==5922== Invalid read of size 4
==5922==at 0x61CC5C0: opal_os_dirpath_create (in
/aia/opt/openmpi-1.8.7/lib64/libopen-pal.so.6.2.2)
==5922==by 0x5F207E5: orte_session_dir (in
/aia/opt
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