[Coin-discuss] segfault running maxcut
Laszlo Ladanyi
ladanyi at us.ibm.com
Fri Sep 5 11:58:53 EDT 2003
Hi Paul,
Thanks for tracking these things down. The parallel version has not been used
for a while... I'll take a close look at it over the weekend and try to fix
it.
Thanks again,
--Laci
On Fri, 5 Sep 2003, Paul Pacheco wrote:
> I got pvm to start the process. The executable that was generated by make was
> called bcps, however, the link on the PVM_ROOT/bin/PVM_ARCH needed to be
> called bcpp.
>
> Next problem is that now when I start bcps, I get a segmentation fault.
>
> I tracked the problem down with gdb and this is what I have found.
>
> The segmentation fault occurs on
>
> Bcp/include/BCP_vector.hpp:101
> Bcp/TM/BCP_tm_msgproc.cpp:175
> Bcp/TM/BCP_tm_main.cpp:172
>
>
> it seems p.slaves.cg is null because it never got initialized in the
> BCP_tm_start_processes function because the CgProcessNum is 0, so this case
> was not taken into account in BCP_tm_notify_processes.
>
> Here is the patch for that.
>
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