padb just calls gdb, you can see the error using gdb alone using just the trace I sent when I started this thread.
Perhaps the difference is in versions of gdb, I could give you a login to my test machine if you need? Ashley. On 15 Dec 2011, at 22:49, Nathan Hjelm wrote: > Whats odd is totalview, STAT, and GDB see the correct values despite them > being in the B section. What does padb do differently? > > This is a dynamic, optimized build of 1.5.5rc1. > > -Nathan Hjelm > HPC-3, LANL > > On Thu, 15 Dec 2011, Ashley Pittman wrote: > >> >> If I add a new symbol to orte/mca/debugger/base/debugger_base_open.c and >> declare it in orte/mca/debugger/base/base.h, the same as MPIR_proctable_size >> is defined then it appears in the .so but not in the binary, if I then >> reference this variable in orte/tools/orterun/orterun.c the symbol appears >> in orterun. It's definably coming from that declaration, what isn't so >> clear is how it's getting into the binary. I can only assume that >> orte/mca/debugger/base/debugger_base_fns.c is linked into the binary >> directly and the symbol is optimised away in the case where it's defined but >> not used. >> >> Ashley. >> >> On 15 Dec 2011, at 22:09, Nathan Hjelm wrote: >> >>> orte/tools/orterun/debuggers.c does not exist anymore (its not in the >>> 1.5.5rc1 tarball). I don't know why the symbols are showing up in section B >>> of orterun. Investigating now. >>> >>> -Nathan Hjelm >>> HPC-3, LANL >>> >>> On Thu, 15 Dec 2011, George Bosilca wrote: >>> >>>> >>>> On Dec 15, 2011, at 16:55 , Ashley Pittman wrote: >>>> >>>>> There is a problem with 1.5.5rc1 that prevents padb from loading the >>>>> process table start from the orterun process, what appears to be >>>>> happening is that MPIR_proctable and MPIR_proctable_size is present in >>>>> both orterun itself and also in libopen-rte.so, the code is correctly >>>>> setting them in libopen-rte.so however when gdb is picking the variable >>>>> from orterun in preference and hence padb is reading NULL values. >>>> >>>> Indeed, there are two definitions, but a single declaration. This is true >>>> for both the trunk and the 1.5. >>>> >>>> ./orte/mca/debugger/base/base.h:61:ORTE_DECLSPEC extern struct >>>> MPIR_PROCDESC *MPIR_proctable; >>>> ./orte/mca/debugger/base/base.h:62:ORTE_DECLSPEC extern int >>>> MPIR_proctable_size; >>>> >>>> ./orte/mca/debugger/base/debugger_base_open.c:42:struct MPIR_PROCDESC >>>> *MPIR_proctable = NULL; >>>> ./orte/mca/debugger/base/debugger_base_open.c:43:int MPIR_proctable_size = >>>> 0; >>>> >>>> ./orte/tools/orterun/debuggers.c:142:struct MPIR_PROCDESC *MPIR_proctable >>>> = NULL; >>>> ./orte/tools/orterun/debuggers.c:143:int MPIR_proctable_size = 0; >>>> >>>> george. >>>> >>>> >>>>> Attached is a log showing the problem, the only change I made to the >>>>> source is to add a call to orte_debugger_base_dump() before the return >>>>> from orte_debugger_base_init_after_spawn(), it looks like this could also >>>>> have been achieved via a debug setting but I couldn't see how. >>>> >>>> >>>> _______________________________________________ >>>> devel mailing list >>>> de...@open-mpi.org >>>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >>>> >>> _______________________________________________ >>> devel mailing list >>> de...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/devel >> >> >> _______________________________________________ >> devel mailing list >> de...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/devel >> > _______________________________________________ > devel mailing list > de...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/devel
