Re: [OMPI users] MPI_File_read+MPI_BOTTOM crash on NFS ?

2016-06-21 Thread Gilles Gouaillardet
Nicolas, can you please give the attached patch a try ? in my environment, it fixes your test case. based on previous tests posted here, it is likely a similar bug should be fixed for other filesystems. Cheers, Gilles On 6/15/2016 12:42 AM, Nicolas Joly wrote: Hi, At work, i do

Re: [MTT users] Invalid mpi install id while reporting MTT

2016-06-21 Thread Abhishek Joshi
Hi Jeff, As of the latest master, I am getting this with e On Wed, Jun 22, 2016 at 1:06 AM, Jeff Squyres (jsquyres) wrote: > Abhishek -- > > Could you send the full output from your mtt client run with the --verbose > flag enabled? > > If you'd prefer not to send it to the

Re: [MTT users] Invalid mpi install id while reporting MTT

2016-06-21 Thread Jeff Squyres (jsquyres)
Abhishek -- Could you send the full output from your mtt client run with the --verbose flag enabled? If you'd prefer not to send it to the public list, send it directly to me and Josh Hursey (IBM). Thanks! > On Jun 21, 2016, at 6:48 AM, Jeff Squyres (jsquyres) >

Re: [OMPI users] Avoiding the memory registration costs by having memory always registered, is it possible with Linux ?

2016-06-21 Thread Jeff Squyres (jsquyres)
> On Jun 20, 2016, at 4:15 PM, Audet, Martin > wrote: > > But now since we have to live with memory registration issues, what changes > should be done to standard Linux distro so that Open MPI can best use a > recent Mellanox Infiniband network ? > > I guess

Re: [OMPI users] Avoiding the memory registration costs by having memory always registered, is it possible with Linux ?

2016-06-21 Thread Jeff Squyres (jsquyres)
On Jun 20, 2016, at 4:27 PM, Alex A. Granovsky wrote: > > Would be the use of mlockall helpful for this approach? That's an interesting idea; I didn't know about the existence of mlockall(MCL_FUTURE). It has a few drawbacks, of course (e.g., processes can't shrink),

Re: [MTT users] Invalid mpi install id while reporting MTT

2016-06-21 Thread Jeff Squyres (jsquyres)
Greetings Abhishek. You sent me your INI file in another email thread. In general, you need to run all the 5 phases. During the MPI install, for example, even if you have an "already installed" MPI (i.e., using the MPI Get module "AlreadyInstalled"), you still have to run that phase so that