[mvapich-discuss] osu_bw, osu_bibw hang

[Uday K Bondhugula]

Thanks Devendar.  It works with the patch.

-Uday


On 03/01/2012 03:48 AM, Devendar Bureddy wrote:
> Hi Uday
>
> We received a similar kind of report with older Mellanox IB cards
> (InfiniHost III) after MVAPICH2-1.8a2 release. We fixed it in the
> development branch and this will be available in MVAPICH2-1.8RC1 in
> few weeks.
>
> Can you apply the attached patch to 1.8a1 or 1.8a2 and see if this
> resolves the issue?  Please apply the patch using "patch -p0<
> diff.patch" at top level of mvapich2 source code directly and rebuild
> the library.
>
> -Devendar
>
> On Wed, Feb 29, 2012 at 3:50 PM, Uday K Bondhugula<udayreddy at gmail.com>  wrote:
>> Hello,
>>
>> I have MVAPICH2 1.8a1. With osu-micro-benchmarks 3.5.1, I find that the osu
>> bidirectional and unidirectional bandwidth tests hang. The latency test runs
>> fine.
>>
>> $ mpirun_rsh -np 2 -host hosts osu_latency
>> # Size            Latency (us)
>> 0                         3.87
>> 1                         3.94
>> 2                         3.95
>> 4                         3.95
>> 8                         3.95
>>
>>
>> $ mpirun_rsh -np 2 -host hosts osu_bibw
>> # OSU MPI Bi-Directional Bandwidth Test v3.5.1
>> # Size     Bi-Bandwidth (MB/s)
>>
>>
>> Each node runs Linux 2.6.x (x86-64). MT25204 [InfiniHost III Lx HCA] (rev
>> 20) is the InfiniBand adapter. mpicc is set to use ICC 11.1. Any help will
>> be appreciated.
>>
>> Thanks,
>> Uday
>>
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>