Thanks Siegmar, at first glance, I suspect String.valueOf(buffer) buffer is 256 chars, but the message you really want to print is only the first num chars. I will double check tomorrow, in the mean time, feel free to revamp the test and see if it works better
Cheers, Gilles On Tuesday, September 8, 2015, Siegmar Gross < siegmar.gr...@informatik.hs-fulda.de> wrote: > Hi Gilles, > > can you post your test program ? >> > > Attached. > > did you try to run the very same test with ompi configure'd without >> --enable-heterogeneous ? >> > > No. > > can you reproduce the crash with the v2.x series ? >> > > No, I tried, but wasn't successful :-)). > > > Kind regards > > Siegmar > > > Cheers, >> >> Gilles >> >> On Tuesday, September 8, 2015, Siegmar Gross >> <siegmar.gr...@informatik.hs-fulda.de >> <mailto:siegmar.gr...@informatik.hs-fulda.de>> wrote: >> >> Hi, >> >> yesterday I have built openmpi-v1.10.0-5-ge0b85ea on my >> machines (Solaris 10 Sparc, Solaris 10 x86_64, and openSUSE >> Linux 12.1 x86_64) with gcc-5.1.0 and Sun C 5.13. >> >> Sometimes I have the following problem when I run a small Java >> program in my heterogeneous environment. The problem arises >> even if I only use my Linux box. It doesn't matter if I use >> my cc- or gcc-version of Open MPI. Sometimes I must run the >> program 10 times before the error shows up. I couldn't >> reproduce the error with openmpi-v2.x-dev-325-g8ae44ea. >> >> linpc1 fd1026 102 mpiexec -np 2 java MsgSendRecvMain >> Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library >> /usr/local/openmpi-1.10.1_64_cc/lib64/libmpi_java.so.1.2.0 which >> might have disabled stack guard. The VM will try to fix the stack >> guard now. >> It's highly recommended that you fix the library with 'execstack -c >> <libfile>', or link it with '-z noexecstack'. >> Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library >> /usr/local/openmpi-1.10.1_64_cc/lib64/libmpi_java.so.1.2.0 which >> might have disabled stack guard. The VM will try to fix the stack >> guard now. >> It's highly recommended that you fix the library with 'execstack -c >> <libfile>', or link it with '-z noexecstack'. >> >> Now 1 process sends its greetings. >> >> Greetings from process 1: >> message tag: 3 >> message length: 6 >> message: linpc1 >> >> >> >> linpc1 fd1026 102 mpiexec -np 4 java MsgSendRecvMain >> ... (above message) >> >> Now 3 processes are sending greetings. >> >> Greetings from process 3: >> message tag: 3 >> message length: 6 >> message: >> >> linpc1??????????????????????????????????????????????????????????????????|}~ >> ?(?4???? ?????? ?????? ?????? ????? ??? >> 9:!"? >> >> Greetings from process 2: >> message tag: 3 >> >> >> Kind regards >> >> Siegmar >> >> >> >> _______________________________________________ >> 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/2015/09/27545.php >> >
