Unfortunately, this is a known problem at the moment. BLCR checkpointing hasn't worked for a few versions now. It's something we're working to fix in a future version. Thanks, Wesley On Monday, April 7, 2014, Marcelo Paiva Ramos <[email protected]> wrote:

Hi, Can you help me to solve this problem?

cat /etc/issue CentOS release 6.5 (Final) Kernel \r on an \m

uname -a Linux server 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

*INSTALL: blcr-0.8.5* tar xzvf blcr-0.8.5.tar.gz cd blcr-0.8.5 mkdir builddir cd builddir ../configure --prefix=/opt/blcr make make install /sbin/insmod /opt/blcr/lib/blcr/2.6.32-431.11.2.el6.x86_64/blcr_imports.ko /sbin/insmod /opt/blcr/lib/blcr/2.6.32-431.11.2.el6.x86_64/blcr.ko uname -r 2.6.32-431.11.2.el6.x86_64 lsmod | grep blcr blcr 115465 0 blcr_imports 10715 1 blcr ldconfig -p | grep blcr libcr_run.so.0 (libc6,x86-64) => /opt/blcr/lib/libcr_run.so.0 libcr_run.so (libc6,x86-64) => /opt/blcr/lib/libcr_run.so libcr_omit.so.0 (libc6,x86-64) => /opt/blcr/lib/libcr_omit.so.0 libcr_omit.so (libc6,x86-64) => /opt/blcr/lib/libcr_omit.so libcr.so.0 (libc6,x86-64) => /opt/blcr/lib/libcr.so.0 libcr.so (libc6,x86-64) => /opt/blcr/lib/libcr.so chkconfig --list | grep blcr blcr 0:off 1:off 2:on 3:on 4:on 5:on 6:off

*INSTALL: mpich-3.1* tar xzvf mpich-3.1.tar.gz cd mpich-3.1 ./configure --disable-fast CFLAGS=-O2 FFLAGS=-O2 CXXFLAGS=-O2 FCFLAGS=-O2 --prefix=/opt/mpich2/ CC=/opt/intel/bin/icc FC=/opt/intel/bin/ifort F77=/opt/intel/bin/ifort --enable-checkpointing --with-hydra-ckpointlib=blcr --with-blcr=/opt/blcr --with-blcr-include=/opt/blcr/include --with-blcr-lib=/opt/blcr/lib make make install

*.bashrc* export PATH=$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/ bin:/sbin:/bin:/opt/blcr/bin:/opt/mpich2/bin export LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64:/opt/ intel/lib/intel64:/opt/blcr/lib:/opt/mpich2/lib

*mpiexec -info* HYDRA build details: Version: 3.1 Release Date: Thu Feb 20 11:41:13 CST 2014 CC: /opt/intel/bin/icc -O2 CXX: g++ -O2 F77: /opt/intel/bin/ifort -O2 F90: /opt/intel/bin/ifort -O2 Configure options: '--disable-option-checking' '--prefix=/opt/mpich2' '--disable-fast' 'CFLAGS=-O2 -O0' 'FFLAGS=-O2 -O0' 'CXXFLAGS=-O2 ' 'FCFLAGS=-O2 ' 'CC=/opt/intel/bin/icc' 'FC=/opt/intel/bin/ifort' 'F77=/opt/intel/bin/ifort' '--enable-checkpointing' '--with-hydra-ckpointlib=blcr' '--with-blcr=/opt/blcr' '--with-blcr-include=/opt/blcr/include' '--with-blcr-lib=/opt/blcr/lib' '--cache-file=/dev/null' '--srcdir=.' 'LDFLAGS= -L/opt/blcr/lib' 'LIBS=-lrt -lcr -lpthread ' 'CPPFLAGS= -I/root/mpich-3.1/src/mpl/include -I/root/mpich-3.1/src/mpl/include -I/root/mpich-3.1/src/openpa/src -I/root/mpich-3.1/src/openpa/src -I/root/mpich-3.1/src/mpi/romio/include -I/opt/blcr/include' Process Manager: pmi Launchers available: ssh rsh fork slurm ll lsf sge pbs manual persist Topology libraries available: hwloc Resource management kernels available: user slurm ll lsf sge pbs cobalt Checkpointing libraries available: blcr Demux engines available: poll select

*ERROR* mpiexec -n 1 -ckpointlib blcr -ckpoint-interval 20 -ckpoint-prefix /home/marcelo/TESTE/ ./teste [proxy:0:0@server] requesting checkpoint [proxy:0:0@server] checkpoint completed [proxy:0:0@server] HYDT_ckpoint_blcr_checkpoint (tools/ckpoint/blcr/ckpoint_blcr.c:241): Checkpointing failed. Make sure BLCR kernel module is loaded. Unknown error 2356 [proxy:0:0@server] ckpoint_thread (tools/ckpoint/ckpoint.c:76): blcr checkpoint returned error [proxy:0:0@server] requesting checkpoint [proxy:0:0@server] checkpoint completed [proxy:0:0@server] HYDT_ckpoint_blcr_checkpoint (tools/ckpoint/blcr/ckpoint_blcr.c:241): Checkpointing failed. Make sure BLCR kernel module is loaded. Unknown error 2356 [proxy:0:0@server] ckpoint_thread (tools/ckpoint/ckpoint.c:76): blcr checkpoint returned error

Best regards, Marcelo.