[mpich-discuss] MPICH2 for ARM

[Dave Goodell]

Perhaps, as previously suggested, with a debugger like GDB?

-Dave

On Nov 11, 2011, at 3:31 AM CST, Harald Schuster wrote:

> Hi
> 
> I now tried the cpi example from the mpich2 sources and I also got a segmentation fault. I used the following configuration:
> 
> CFLAGS="-static" CC=arm-linux-gcc ./../configure --prefix=/mnt/ti_am1707_root/usr/mpich2-install --with-pm=hydra --disable-f77 --disable-fc --disable-cxx --enable-g=dbg,mem,log --with-device=ch3:sock --host=arm-linux
> 
> How is it possible to trace the execution of the program?!
> 
> 
> 
> On 10.11.2011 16:33, Harald Schuster wrote:
>> I added the config.log to this mail but i changed the pm from hydra to gforker only for testing and know the helloWorld example runs but when I tried a example with a broadcast the programm stops without any error but it not finishes. The gforker and hydra uses sockets or? 
>> 
>> On 10.11.2011 16:12, Jeff Hammond wrote: 
>>> I think it will help if you post config.log. 
>>> 
>>> Can you run the test that fails within GDB or Valgrind?  I do not 
>>> think that mpirun itself is segfaulting, but rather that it activates 
>>> the code path that does.  Maybe this much was clear to you already. 
>>> 
>>> Jeff 
>>> 
>>> On Thu, Nov 10, 2011 at 3:33 AM, Harald Schuster 
>>> <schuster at technikum-wien.at>  wrote: 
>>>> Hi 
>>>> 
>>>> I use MPICH2 on my normal Linux PC and it works fine. My next goal is to run 
>>>> MPICH2 on a arm926 (am1707) which is simulated in SimSoc and where a normal 
>>>> linux OS is running. The linux is compiled with the buildroot 2010.05 and I 
>>>> use the arm-linux-gcc 4.3.4. I tried to make the the mpich2 with the 
>>>> arm-linux-gcc and it works. I used the following configuration: 
>>>> 
>>>> CFLAGS="-static" CC=arm-linux-gcc ./../configure 
>>>> --prefix=/mnt/ti_am1707_root/usr/mpich2-install --with-pm=hydra 
>>>> --disable-f77 --disable-fc --disable-cxx --disable-sharedlibs 
>>>> --host=arm-linux --with-device=ch3:sock 
>>>> 
>>>> Also the make install process works fine. Then I compiled a small helloWorld 
>>>> example with the mpicc for arm and it also works. When I run the helloWorld 
>>>> example on the simulated processor I always got an segmentation fault. For 
>>>> starting the program I use the following command: 
>>>> 
>>>> mpirun -np 1 helloWorld 
>>>> 
>>>> When I start the helloWorld program without the mpirun command I got the 
>>>> right output. So I think the segmentation fault is caused by the mpirun 
>>>> command but I don't know where and what I can do to solve the problem. 
>>>> 
>>>> Best regards 
>>>> Harald 
>>>> _______________________________________________ 
>>>> mpich-discuss mailing list     mpich-discuss at mcs.anl.gov 
>>>> To manage subscription options or unsubscribe: 
>>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss 
>>>> 
>>> 
>>> 
>> 
>> 
>> 
>> _______________________________________________
>> mpich-discuss mailing list     
>> mpich-discuss at mcs.anl.gov
>> 
>> To manage subscription options or unsubscribe:
>> 
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
> 
> 
> _______________________________________________
> mpich-discuss mailing list     mpich-discuss at mcs.anl.gov
> To manage subscription options or unsubscribe:
> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss