Re: [OMPI users] Segfault on any MPI communication on head node

2011-10-07 Thread Phillip Vassenkov
ength provided, but since you have at least one that is longer than 20 characters, I'm curious. Brent -Original Message- From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Jeff Squyres Sent: Tuesday, September 27, 2011 6:29 AM To: Open MPI Users Subject:

Re: [OMPI users] Segfault on any MPI communication on head node

2011-10-03 Thread Ralph Castain
;> int maxlen = 20; >>>>>>> >>>>>>> To: >>>>>>> >>>>>>> char name[256]; >>>>>>> int maxlen = 256; >>>>>>> >>>>>>> gethostname() is s

Re: [OMPI users] Segfault on any MPI communication on head node

2011-10-03 Thread Phillip Vassenkov
mber 27, 2011 6:29 AM To: Open MPI Users Subject: Re: [OMPI users] Segfault on any MPI communication on head node Hmm. It's not immediately clear to me what's going wrong here. I hate to ask, but could you install a debugging version of Open MPI and capture a proper stack trace of the

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-28 Thread Jeff Squyres
runcate the hostname it returns >>>>> if the actual name is longer than the length provided, but since you >>>>> have at least one that is longer than 20 characters, I'm curious. >>>>> >>>>> Brent >>>>> >>>&

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-28 Thread Phillip Vassenkov
Tuesday, September 27, 2011 6:29 AM To: Open MPI Users Subject: Re: [OMPI users] Segfault on any MPI communication on head node Hmm. It's not immediately clear to me what's going wrong here. I hate to ask, but could you install a debugging version of Open MPI and capture a proper stack t

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-28 Thread Jeff Squyres
27;m curious. >>> >>> Brent >>> >>> >>> -Original Message- >>> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] >>> On Behalf Of Jeff Squyres >>> Sent: Tuesday, September 27, 2011 6:29 AM &g

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-27 Thread German Hoecht
ngth provided, but since you >> have at least one that is longer than 20 characters, I'm curious. >> >> Brent >> >> >> -Original Message- >> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] >> On Behalf Of Jeff Squyres &

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-27 Thread Gus Correa
characters, I'm curious. Brent -Original Message- From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Jeff Squyres Sent: Tuesday, September 27, 2011 6:29 AM To: Open MPI Users Subject: Re: [OMPI users] Segfault on any MPI communication on head node

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-27 Thread Phillip Vassenkov
users-boun...@open-mpi.org] On Behalf Of Jeff Squyres Sent: Tuesday, September 27, 2011 6:29 AM To: Open MPI Users Subject: Re: [OMPI users] Segfault on any MPI communication on head node Hmm. It's not immediately clear to me what's going wrong here. I hate to ask, but could you inst

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-27 Thread Henderson, Brent
lt on any MPI communication on head node Hmm. It's not immediately clear to me what's going wrong here. I hate to ask, but could you install a debugging version of Open MPI and capture a proper stack trace of the segv? Also, could you try the 1.4.4 rc and see if that magically fixes the

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-27 Thread Jeff Squyres
Hmm. It's not immediately clear to me what's going wrong here. I hate to ask, but could you install a debugging version of Open MPI and capture a proper stack trace of the segv? Also, could you try the 1.4.4 rc and see if that magically fixes the problem? (I'm about to post a new 1.4.4 rc late

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-26 Thread Phillip Vassenkov
Yep, Fedora Core 14 and OpenMPI 1.4.3 On 9/24/11 7:02 AM, Jeff Squyres wrote: Are you running the same OS version and Open MPI version between the head node and regular nodes? On Sep 23, 2011, at 5:27 PM, Vassenkov, Phillip wrote: Hey all, I’ve been racking my brains over this for several da

Re: [OMPI users] Segfault on any MPI communication on head node

2011-09-24 Thread Jeff Squyres
Are you running the same OS version and Open MPI version between the head node and regular nodes? On Sep 23, 2011, at 5:27 PM, Vassenkov, Phillip wrote: > Hey all, > I’ve been racking my brains over this for several days and was hoping anyone > could enlighten me. I’ll describe only the relevan