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Based on my experiences, I would FULLY endorse (100% agree with) David
It is usually a coding or typo mistake.
At first, Ensure that array sizes and dimension are correct.
I experience that if openmpi is compiled with gnu compilers (not with Intel)
then it also point outs the subroutine exactly in which the fault occur.
have a try.
On Wed, Jun 30, 2010 at 12:43 PM, David Zhang <solarbikedz_at_[hidden]> wrote:
> When I got segmentation faults, it has always been my coding mistakes.
> Perhaps your code is not robust against number of processes not divisible by
> On Wed, Jun 30, 2010 at 8:47 AM, Jack Bryan <dtustudy68_at_[hidden]>wrote:
>> Dear All,
>> I am using Open MPI, I got the error:
>> n337:37664] *** Process received signal ***
>> [n337:37664] Signal: Segmentation fault (11)
>> [n337:37664] Signal code: Address not mapped (1)
>> [n337:37664] Failing at address: 0x7fffcfe90000
>> [n337:37664] [ 0] /lib64/libpthread.so.0 [0x3c50e0e4c0]
>> [n337:37664] [ 1]
>> /lustre/home/rhascheduler/RhaScheduler-0.4.1.1/mytest/nmn2 [0x414ed7]
>> [n337:37664] [ 2] /lib64/libc.so.6(__libc_start_main+0xf4) [0x3c5021d974]
>> [n337:37664] [ 3]
>> [n337:37664] *** End of error message ***
>> After searching answers, it seems that some functions fail.
>> My program can run well for 1,2,10 processors, but fail when the number of
>> tasks cannot
>> be divided evenly by number of processes.
>> Any help is appreciated.
>> June 30 2010
>> The New Busy think 9 to 5 is a cute idea. Combine multiple calendars with
>> Hotmail. Get busy.<http://www.windowslive.com/campaign/thenewbusy?tile=multicalendar&ocid=PID28326::T:WLMTAGL:ON:WL:en-US:WM_HMP:042010_5>
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> David Zhang
> University of California, San Diego
> users mailing list