Re: [OMPI devel] Segmentation fault on x86_64 on heterogeneous environment

2010-04-23 Thread George Bosilca
Thanks, I will apply the patch to all branches later today. Thanks for your help! George "All the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.". -- Carl Sagan On Apr 23, 2010, at 3

Re: [OMPI devel] Segmentation fault on x86_64 on heterogeneous environment

2010-04-23 Thread Timur Magomedov
Thank you, George! I checked out trunk version 1.7a1r23028 and got the same errors as on 1.4.*. Then I applied your patch, fixed one more file Index: pml_ob1_recvreq.c === --- pml_ob1_recvreq.c (revision 23028) +++ pml_ob1_recvreq.

Re: [OMPI devel] Segmentation fault on x86_64 on heterogeneous environment

2010-04-23 Thread George Bosilca
Timur, Thanks for the very detailed analysis of the problem. Based on your observations, I was able to track down the issue pretty quickly. In few words, the 64 bits machine sent a pointer to the 32 bits one, and expected that it will get it back untouched. Unfortunately, on the 32 bits machine

[OMPI devel] Segmentation fault on x86_64 on heterogeneous environment

2010-04-22 Thread Timur Magomedov
Hello, list. I have a strange segmentation fault on x86_64 machine running together with x86. I am running attached program that sends some bytes from process 0 to process 1. My configuration is: Machine #1: (process 0) arch: x86 hostname: magomedov-desktop linux distro: Ubuntu 9.10 Open M