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Subject: Re: [OMPI devel] ***SPAM*** Re: [ewg] Seg fault running OpenMPI-1.3.1rc4
From: Steve Wise (swise_at_[hidden])
Date: 2009-03-30 10:56:51


Hey Pasha,

I just applied r20872 and retested, and I still hit this seg fault. So
I think this is a new bug.

Lemme pull the trunk and try that.

Pavel Shamis (Pasha) wrote:
> I think you problem is related to this bug:
> https://svn.open-mpi.org/trac/ompi/ticket/1823
>
> And it is resolved on the ompi-trunk.
>
> Pasha.
>
> Steve Wise wrote:
>> When this happens, that node logs this type of message also in
>> /var/log/messages:
>>
>> IMB-MPI1[8859]: segfault at 0000000000000018 rip 00002b7bfc880800 rsp
>> 00007fffb1021330 error 4
>>
>> Steve Wise wrote:
>>> Hey Jeff,
>>>
>>> Have you seen this? I'm hitting this regularly running on
>>> ofed-1.4.1-rc2.
>>>
>>> Test:
>>> [ompi_at_vic12 ~]$ cat doit-ompi
>>> #!/bin/sh
>>> while : ; do
>>> mpirun -np 16 --host vic12-10g,vic20-10g,vic9-10g,vic21-10g
>>> --mca btl openib,self,sm --mca btl_openib_max_btls 1
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/tests/IMB-3.1/IMB-MPI1 -npmin 16
>>> bcast scatter sendrecv exchange </dev/null
>>> done
>>>
>>>
>>> Seg Fault output:
>>>
>>> [vic21:04047] *** Process received signal ***
>>> [vic21:04047] Signal: Segmentation fault (11)
>>> [vic21:04047] Signal code: Address not mapped (1)
>>> [vic21:04047] Failing at address: 0x18
>>> [vic21:04047] [ 0] /lib64/libpthread.so.0 [0x3dde20e4c0]
>>> [vic21:04047] [ 1]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/openmpi/mca_btl_openib.so
>>> [0x2b911bc33800]
>>> [vic21:04047] [ 2]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/openmpi/mca_btl_openib.so
>>> [0x2b911bc38c2d]
>>> [vic21:04047] [ 3]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/openmpi/mca_btl_openib.so
>>> [0x2b911bc33fcb]
>>> [vic21:04047] [ 4]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/openmpi/mca_btl_openib.so
>>> [0x2b911bc22af8]
>>> [vic21:04047] [ 5]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/libopen-pal.so.0(mca_base_components_close+0x83)
>>> [0x2b911933da33]
>>> [vic21:04047] [ 6]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/libmpi.so.0(mca_btl_base_close+0xe0)
>>> [0x2b9118ea3fb0]
>>> [vic21:04047] [ 7]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/openmpi/mca_bml_r2.so
>>> [0x2b911ba1938f]
>>> [vic21:04047] [ 8]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/openmpi/mca_pml_ob1.so
>>> [0x2b911b601cde]
>>> [vic21:04047] [ 9] /usr/mpi/gcc/openmpi-1.3.1rc4/lib64/libmpi.so.0
>>> [0x2b9118e7241b]
>>> [vic21:04047] [10]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/tests/IMB-3.1/IMB-MPI1(main+0x178)
>>> [0x403498]
>>> [vic21:04047] [11] /lib64/libc.so.6(__libc_start_main+0xf4)
>>> [0x3ddd61d974]
>>> [vic21:04047] [12]
>>> /usr/mpi/gcc/openmpi-1.3.1rc4/tests/IMB-3.1/IMB-MPI1 [0x403269]
>>> [vic21:04047] *** End of error message ***
>>>
>>> _______________________________________________
>>> ewg mailing list
>>> ewg_at_[hidden]
>>> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg
>>
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>
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