[mvapich-discuss] stack smashing detected

Thiago Ize thiago at sci.utah.edu
Tue Nov 9 16:40:08 EST 2010


I'm the one who's found that problem.  I've had this happen with several 
versions.  mvapich that comes with the system and the mvapich2-1.5.1 
that I downloaded and compiled myself.

The 1.5.1 version works if I run locally, probably because it's not 
using ssh?  But if I try to run on a remote node I get the same error.  
For example:
node1 $ mpirun_rsh -np1 node1 mpiProgram -> works
node1 $ mpirun_rsh -np1 node2 mpiProgram -> fails

Also, if I go on a node where this still works, I can still run on the 
"bad" remote nodes.  For example
nodeGood $ mpirun_rsh -np1 node2 mpiProgram -> works
node1 $ mpirun_rsh -np1 node2 mpiProgram -> does not

Thiago

Sayantan Sur wrote:
> Hi Nick,
>
> On Tue, Nov 9, 2010 at 2:13 PM, Nick Rathke <nick at sci.utah.edu> wrote:
>   
>> Hi,
>>
>> We have a small 64 node cluster running RHEL 5.4 and mvapich 1.2.0 and we
>> have started getting the error " *** stack smashing detected ***:
>> /usr/bin/ssh terminated " on some of our nodes but not others, when all of
>> the node are identical.
>>
>> I have been searching the web for this error but haven't found anything that
>> would help me debug this or even tell if this is a mvapich or ssh error.
>>
>> Any thoughts would be greatly appreciated.
>>
>>     
>
> Just wondering if you saw this with any older MVAPICH version (say,
> MVAPICH-1.1) or some of the newer MVAPICH2 releases?
>
> If you could try MVAPICH2-1.5.1 and see if this error persists, it
> will be great.
>
> Thanks.
>
>   
>> Nick Rathke
>> Scientific Computing and Imaging Institute
>> IT Manager and Sr. Systems Administrator
>> nick at sci.utah.edu
>> www.sci.utah.edu
>>
>>
>> _______________________________________________
>> mvapich-discuss mailing list
>> mvapich-discuss at cse.ohio-state.edu
>> http://mail.cse.ohio-state.edu/mailman/listinfo/mvapich-discuss
>>
>>
>>     
>
>
>
>   
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.cse.ohio-state.edu/pipermail/mvapich-discuss/attachments/20101109/24de4f40/attachment-0001.html


More information about the mvapich-discuss mailing list