On Tue, Aug 2, 2011 at 5:06 PM, Kuhlemann, Verena <vkuhlem at emory.edu> wrote:
> Hi, > > I am trying to find an error in my program with valgrind. > The first message that I get is the following: > No, MPICH is doing something that valgrind does not understand with memory. You can usually ignore anything that goes back into MPI. Matt > Syscall param write(buf) points to uninitialised byte(s) > ==22395== Syscall param write(buf) points to uninitialised byte(s) > ==22393== at 0x73D92C0: __write_nocancel (in /lib64/libc-2.5.so) > ==22393== by 0x7A76283: ibv_cmd_modify_qp (in > /usr/lib64/libibverbs.so.1.0.0) > ==22393== by 0x88B742A: ??? (in /usr/lib64/libmlx4-rdmav2.so) > ==22393== by 0x7A7A363: ibv_modify_qp (in > /usr/lib64/libibverbs.so.1.0.0) > ==22393== by 0x67A3DDF: MPID_VIA_Init (viainit.c:1014) > ==22393== by 0x67826BB: MPID_Init (mpid_init.c:66) > ==22393== by 0x677438E: MPIR_Init (initutil.c:279) > ==22393== by 0x432732: PetscInitialize (pinit.c:561) > ==22395== at 0x73D92C0: __write_nocancel (in /lib64/libc-2.5.so) > ==22395== by 0x7A76283: ibv_cmd_modify_qp (in > /usr/lib64/libibverbs.so.1.0.0) > ==22395== by 0x88B742A: ??? (in /usr/lib64/libmlx4-rdmav2.so) > ==22395== by 0x7A7A363: ibv_modify_qp (in > /usr/lib64/libibverbs.so.1.0.0) > ==22395== by 0x67A3DDF: MPID_VIA_Init (viainit.c:1014) > ==22395== by 0x67826BB: MPID_Init (mpid_init.c:66) > ==22395== by 0x677438E: MPIR_Init (initutil.c:279) > ==22395== by 0x432732: PetscInitialize (pinit.c:561) > ==22395== by 0x4046FC: main (runtests.c:48) > ==22395== Address 0x7feffef78 is on thread 1's stack > > I am not sure what this is suppose to tell me. Is the something wrong > with my PetscInitialize? > > Thanks for the help, > > Verena > > > ------------------------------ > > This e-mail message (including any attachments) is for the sole use of > the intended recipient(s) and may contain confidential and privileged > information. If the reader of this message is not the intended > recipient, you are hereby notified that any dissemination, distribution > or copying of this message (including any attachments) is strictly > prohibited. > > If you have received this message in error, please contact > the sender by reply e-mail message and destroy all copies of the > original message (including attachments). > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110802/c51391d0/attachment.htm>
