> I've been working on debugging someone else's MPI code and am getting error > messages that seem pretty strange to me > > ==32704== Memcheck, a memory error detector > ==32704== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. > ==32704== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
Thank you for including the version number. Next, what is the hardware architecture? > > ... > > ==32704== Unaddressable byte(s) found during client check request > ... > ==32704== Address 0x243e6040 is 16,384 bytes inside a block of size > 1,048,576 alloc'd 1,048,576 == (1<<20) so somebody has flubbed the connection between malloc, mmap, and memcheck. > ... > > and > > ==32704== Invalid read of size 8 > ... > ==32704== Address 0x22fe2040 is 0 bytes inside a block of size 1,048,576 > alloc'd > ... > > and > > ==32704== Invalid write of size 8 > ... > ==32704== Address 0x22fe2048 is 8 bytes inside a block of size 1,048,576 > alloc'd Please submit a bug report. http://valgrind.org/support/bug_reports.html ------------------------------------------------------------------------------ _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
