Hi,

address 0xC0 is a NULL pointer. Your code doesn't give enough
information to say what went wrong, though.

Cheers,
Bjoern

2010/11/11 Jack Bryan <[email protected]>:
> Hi,
>
> I am using Valgrind-3.5.0 and LibVEX for MPI debug.
>
> I got errors:
> -------------------------------------
> ==23712== Invalid write of size 8
> ==23712==    at 0x40BFA9:
> __gnu_cxx::new_allocator<double>::construct(double*, double const&)
> (new_allocator.h:104)
> ==23712==    by 0x40EEB7: std::vector<double, std::allocator<double>
>>::push_back(double const&) (stl_vector.h:606)
> ==23712==    by 0x403477: workerRunTask(int, int, int, int, int, int, int,
> std::vector<double, std::allocator<double> >&, newCNSGA2&)
> (workerRunTask.cpp:193)
> ==23712==    by 0x40AEC3: main (main.cpp:636)
> ==23712==  Address 0xc0 is not stack'd, malloc'd or (recently) free'd
> ==23712==
> ==23712==
> ==23712== Process terminating with default action of signal 11 (SIGSEGV)
> ==23712==  Access not within mapped region at address 0xC0
> ==23712==    at 0x40BFA9:
> __gnu_cxx::new_allocator<double>::construct(double*, double const&)
> (new_allocator.h:104)
> ==23712==    by 0x40EEB7: std::vector<double, std::allocator<double>
>>::push_back(double const&) (stl_vector.h:606)
> ==23712==    by 0x403477: workerRunTask(int, int, int, int, int, int, int,
> std::vector<double, std::allocator<double> >&, newCNSGA2&)
> (workerRunTask.cpp:193)
> ==23712==    by 0x40AEC3: main (main.cpp:636)
> ==23712==  If you believe this happened as a result of a stack
> ==23712==  overflow in your program's main thread (unlikely but
> ==23712==  possible), you can try to increase the size of the
> ==23712==  main thread stack using the --main-stacksize= flag.
> ==23712==  The main thread stack size used in this run was 10485760.
> --------------------------------------
> I have checked my program :
>  sendResultVec.push_back(generation);
> It is only write an element to a vector.
> vector<double> sendResultVec;
> It's size is 6.
> Why I got "Address 0xc0 is not stack'd, malloc'd or (recently) free'd"  ?
> It seems 0xc0 is a memory space owned by system.
> Any help is appreciated.
> thanks
> Jack
> Nov. 11 2010
>
>
>
>
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>

------------------------------------------------------------------------------
Centralized Desktop Delivery: Dell and VMware Reference Architecture
Simplifying enterprise desktop deployment and management using
Dell EqualLogic storage and VMware View: A highly scalable, end-to-end
client virtualization framework. Read more!
http://p.sf.net/sfu/dell-eql-dev2dev
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