George -- Scott's patch was different than the one you applied. Apparently, his fixes this user's problem (I don't know if Guillaume tested yours).
Which one wins? On Jun 3, 2010, at 9:49 AM, Scott Atchley wrote: > On Jun 3, 2010, at 8:54 AM, guillaume ranquet wrote: > > > granquet@bordeplage-15 ~ $ mpirun --mca btl mx,openib,sm,self --mca pml > > ^cm --mca mpi_leave_pinned 0 ~/bwlat/mpi_helloworld > > [bordeplage-15.bordeaux.grid5000.fr:02707] Error in mx_init (error No MX > > device entry in /dev.) > > Hello world from process 0 of 1 > > > > it works :) > > Jeff, you may want to change this message to opal_output_verbose(). It is in > $OMPI/ompi/mca/common/common_mx.c. > > >> Ok. I think that OMPI is trying to open the MX MTL first. It fails at > >> mx_init() (the first error message) but it had already created some > >> mpool resources. It then tries to open the MX BTL and it skips the MX > >> initialization and returns SUCCESS. The MX BTL then tries to call > >> mx_get_info() which fails and prints the second message. > >> > >> Try the attached patch. It tries to clean up if mx_init() fails and > >> does not return SUCCESS on subsequent attempts to initialize MX. > >> > >> Scott > > > > I tried your patch and it seems to correct the issue: > > > > configured with: --prefix=$HOME/openmpi-1.4.2-nomx-bin/ > > - --with-openib=/usr --with-mx=/usr > > > > $ ~/openmpi-1.4.2-nomx-bin/bin/mpirun ~/bwlat/mpi_helloworld > > [bordeplage-15.bordeaux.grid5000.fr:22406] Error in mx_init (error No MX > > device entry in /dev.) > > Hello world from process 0 of 1 > > Excellent. > > > don't hesitate if you need further testing :) > > Thanks for all your assistance! > > > do you plan on applying this patch on next release? (1.4.3?) > > Jeff, I leave this up to you and George. > > Scott > -- Jeff Squyres jsquy...@cisco.com For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
