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Subject: Re: [OMPI users] Signal code: Address not mapped (1) error
From: alev mutlu (koor230_at_[hidden])
Date: 2010-03-18 08:26:43


Oh yes Dorian,
now it works!

On Thu, Mar 18, 2010 at 11:57 AM, Dorian Krause <doriankrause_at_[hidden]> wrote:

> Hi,
>
> Since you are using std::string in your structure you should allocate the
> memory with "new" instead of "malloc". Otherwise the constructor of
> std::string is not called and things like the length() of a string might not
> give the desired result leading boost to iterate over too many chars.
>
> I don't know if this is the particular problem here but it might be ...
>
>
>
> On Mar 17, 2010, at 6:11 AM, alev mutlu wrote:
>>
>>
>>
>>> Hi the following codes compiles fine but gives some run time errors.
>>> Ant suggestions to fix the problem.
>>>
>>> cheers
>>>
>>>
>>> Code
>>>
>>> #include<boost/mpi/environment.hpp>
>>> #include<boost/mpi/communicator.hpp>
>>> #include<boost/mpi/collectives.hpp>
>>> #include<boost/thread/barrier.hpp>
>>> #include<boost/thread/mutex.hpp>
>>> #include<boost/config.hpp>
>>> #include<boost/archive/text_oarchive.hpp>
>>> #include<boost/archive/text_iarchive.hpp>
>>> #include<boost/serialization/access.hpp>
>>> #include<boost/serialization/string.hpp>
>>> #include<boost/mpi/skeleton_and_content.hpp>
>>> #include<boost/mpi/datatype.hpp>
>>> #include<boost/mpi/allocator.hpp>
>>> #include<boost/archive/tmpdir.hpp>
>>> #include<boost/serialization/utility.hpp>
>>> #include<boost/serialization/base_object.hpp>
>>> #include<boost/mpi.hpp>
>>> #include<boost/tokenizer.hpp>
>>> #include<boost/archive/tmpdir.hpp>
>>> #include<boost/archive/binary_oarchive.hpp>
>>> #include<boost/serialization/export.hpp>
>>> #include<boost/serialization/base_object.hpp>
>>> #include<boost/serialization/utility.hpp>
>>> #include<boost/serialization/hash_map.hpp>
>>> #include<boost/serialization/map.hpp>
>>>
>>>
>>>
>>> #include<string>
>>> #include<iostream>
>>> #include<vector>
>>> #include<fstream>
>>>
>>> #define MASTER 0
>>>
>>> int arraySize = 7;
>>>
>>> using namespace std;
>>> namespace mpi = boost::mpi;
>>>
>>> struct field {
>>> string field_name;
>>> string field_type;
>>> string field_ref;
>>> string field_colType;
>>>
>>> };
>>>
>>> namespace boost {
>>> namespace serialization{
>>> template<class Archive>
>>> void serialize(Archive& ar, struct field& f, unsigned int
>>> version){
>>> ar& f.field_name;
>>> ar& f.field_type;
>>> ar& f.field_ref;
>>> ar& f.field_colType;
>>> }
>>> }
>>> }
>>>
>>> int main(int argc, char* argv[])
>>> {
>>> mpi::environment env(argc, argv);
>>> mpi::communicator world;
>>> int m_mySize, w_mySize, kk,i;
>>> struct field *relAllValues;
>>> struct field *relMyValues;
>>> vector<struct field> C;
>>> struct field c;
>>>
>>> w_mySize = arraySize / world.size();
>>> cout<< "w_mySize = "<< w_mySize<< endl;
>>> if (world.rank() == MASTER){
>>> for(int i = 0; i< arraySize; i++){
>>> c.field_name = "field_name=" ;
>>> c.field_type = "field_type=";
>>> c.field_ref = "field_ref=";
>>> c.field_colType = "field_colType=";
>>> C.push_back(c);
>>> }
>>> m_mySize = arraySize / world.size() + arraySize % world.size();
>>> relMyValues = (struct field *) malloc(sizeof(struct field) *
>>> w_mySize);
>>> relAllValues = (struct field *) malloc(sizeof(struct field) *
>>> arraySize);
>>>
>>> }
>>> else{
>>> relMyValues = (struct field *) malloc(sizeof(struct field) *
>>> w_mySize);
>>> }
>>>
>>> if (world.rank() == MASTER){
>>> scatter(world, C, relMyValues, w_mySize, 0);
>>> }
>>> else{
>>> scatter(world, C, relMyValues, w_mySize, 0);
>>> }
>>> }
>>>
>>> and the run time errors
>>>
>>> [ceng34:00724] *** Process received signal ***
>>> [ceng34:00724] Signal: Segmentation fault (11)
>>> [ceng34:00724] Signal code: Address not mapped (1)
>>> [ceng34:00724] Failing at address: 0xfffffffffffffff8
>>> [ceng34:00724] [ 0] /lib64/libpthread.so.0 [0x315880de80]
>>> [ceng34:00724] [ 1]
>>> /usr/lib64/libstdc++.so.6(_ZN9__gnu_cxx18__exchange_and_addEPVii+0x2)
>>> [0x385dab7672]
>>> [ceng34:00724] [ 2] /usr/lib64/libstdc++.so.6(_ZNSs6assignERKSs+0x9b)
>>> [0x385da9ca4b]
>>> [ceng34:00724] [ 3] test-boost(_ZN5fieldaSERKS_+0x47) [0x42197f]
>>> [ceng34:00724] [ 4]
>>> test-boost(_ZNSt6__copyILb0ESt26random_access_iterator_tagE4copyIPK5fieldPS3_EET0_T_S8_S7_+0x3c)
>>> [0x4221be]
>>> [ceng34:00724] [ 5]
>>> test-boost(_ZSt10__copy_auxIPK5fieldPS0_ET0_T_S5_S4_+0x29) [0x422203]
>>> [ceng34:00724] [ 6]
>>> test-boost(_ZNSt13__copy_normalILb0ELb0EE6copy_nIPK5fieldPS2_EET0_T_S7_S6_+0x25)
>>> [0x42222b]
>>> [ceng34:00724] [ 7] test-boost(_ZSt4copyIPK5fieldPS0_ET0_T_S5_S4_+0x2d)
>>> [0x42225b]
>>> [ceng34:00724] [ 8]
>>> test-boost(_ZN5boost3mpi6detail12scatter_implI5fieldEEvRKNS0_12communicatorEPKT_PS7_iiN4mpl_5bool_ILb0EEE+0x90)
>>> [0x42a630]
>>> [ceng34:00724] [ 9]
>>> test-boost(_ZN5boost3mpi7scatterI5fieldEEvRKNS0_12communicatorEPKT_PS6_ii+0x50)
>>> [0x42b162]
>>> [ceng34:00724] [10]
>>> test-boost(_ZN5boost3mpi7scatterI5fieldEEvRKNS0_12communicatorERKSt6vectorIT_SaIS7_EEPS7_ii+0x55)
>>> [0x42b1db]
>>> [ceng34:00724] [11] test-boost(main+0x20e) [0x420880]
>>> [ceng34:00724] [12] /lib64/libc.so.6(__libc_start_main+0xf4)
>>> [0x3157c1d8b4]
>>> [ceng34:00724] [13] test-boost(__gxx_personality_v0+0x169) [0x420489]
>>> [ceng34:00724] *** End of error message ***
>>> mpirun noticed that job rank 0 with PID 724 on node ceng34-ib exited on
>>> signal 11 (Segmentation fault).
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>>> users mailing list
>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
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>>>
>>
>>
>>
>
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