Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

Siegmar, Your slot list is correct. An invalid slot list for your node would be 0:1-7,1:0-7 /* and since the test requires only 5 tasks, that could even work with such an invalid list. My vm is single socket with 4 cores, so a 0:0-4 slot list results in an unfriendly pmix error */ Bottom line, y

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

Hi Gilles, thank you very much for your help. What does incorrect slot list mean? My machine has two 6-core processors so that I specified "--slot-list 0:0-5,1:0-5". Does incorrect mean that it isn't allowed to specify more slots than available, to specify fewer slots than available, or to specif

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

Siegmar, I was able to reproduce the issue on my vm (No need for a real heterogeneous cluster here) I will keep digging tomorrow. Note that if you specify an incorrect slot list, MPI_Comm_spawn fails with a very unfriendly error message. Right now, the 4th spawn'ed task crashes, so this is a dif

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

I think there is some relevant discussion here: https://github.com/open-mpi/ompi/issues/1569 It looks like Gilles had (at least at one point) a fix for master when enable-heterogeneous, but I don’t know if that was committed. > On Jan 9, 2017, at

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

HI Siegmar, You have some config parameters I wasn't trying that may have some impact. I'll give a try with these parameters. This should be enough info for now, Thanks, Howard 2017-01-09 0:59 GMT-07:00 Siegmar Gross < siegmar.gr...@informatik.hs-fulda.de>: > Hi Howard, > > I use the followi

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

Hi Howard, I use the following commands to build and install the package. ${SYSTEM_ENV} is "Linux" and ${MACHINE_ENV} is "x86_64" for my Linux machine. mkdir openmpi-2.0.2rc3-${SYSTEM_ENV}.${MACHINE_ENV}.64_cc cd openmpi-2.0.2rc3-${SYSTEM_ENV}.${MACHINE_ENV}.64_cc ../openmpi-2.0.2rc3/configure

Re: [OMPI users] still segmentation fault with openmpi-2.0.2rc3 on Linux

HI Siegmar, Could you post the configury options you use when building the 2.0.2rc3? Maybe that will help in trying to reproduce the segfault you are observing. Howard 2017-01-07 2:30 GMT-07:00 Siegmar Gross < siegmar.gr...@informatik.hs-fulda.de>: > Hi, > > I have installed openmpi-2.0.2rc3 o