Thanks! The patch wasn’t quite correct, but we have a good one now and it is going into 1.8.5 (just squeaked in before release)
> On Apr 29, 2015, at 9:50 PM, Satish Balay <ba...@mcs.anl.gov> wrote: > > OpenMPI developers, > > We've had issues (memory errors) with OpenMPI - and code in PETSc > library that uses MPI_Win_fence(). > > Vagrind shows memory corruption deep inside OpenMPI function stack. > > I'm attaching a potential patch that appears to fix this issue for us. > [the corresponding valgrind trace is listed in the patch header] > > Perhaps there is a more appropriate fix for this memory corruption. Could > you check on this? > > [Sorry I don't have a pure MPI test code to demonstrate this error - > but a PETSc test example code consistantly reproduces this issue] > > Thanks, > Satish<openmpi-1.8.4.patch>_______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/04/26818.php
