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Old   September 6, 2011, 13:14
Default segmentation fault
  #1
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huxiaoxia
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Hello,

I run cases for liquid film recently using interDyMFoam. There's no problem when I run the cases, but when I try to reconstruct fields, it shows the following error:
#0 Foam::error:rintStack(Foam::Ostream&) in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#1 Foam::sigSegv::sigSegvHandler(int) in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#2 __restore_rt at sigaction.c:0
#3 Foam:bjectRegistry::checkOut(Foam::regIOobject&) const in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#4 Foam::regIOobject::~regIOobject() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#5 Foam::IOList<int>::~IOList() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#6 Foam:rocessorMeshes::read() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#7 Foam:rocessorMeshes::readUpdate() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#8 main in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#9 __libc_start_main in "/lib64/libc.so.6"
#10 Foam::regIOobject::writeObject(Foam::IOstream::str eamFormat, Foam::IOstream::versionNumber, Foam::IOstream::compressionType) const in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
Segmentation fault

Can anyone help me?

Thanks.

Xiaoxia
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Old   September 6, 2011, 14:04
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Bernhard Gschaider
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Quote:
Originally Posted by huxiaoxia View Post
Hello,

I run cases for liquid film recently using interDyMFoam. There's no problem when I run the cases, but when I try to reconstruct fields, it shows the following error:
#0 Foam::error:rintStack(Foam::Ostream&) in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#1 Foam::sigSegv::sigSegvHandler(int) in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#2 __restore_rt at sigaction.c:0
#3 Foam:bjectRegistry::checkOut(Foam::regIOobject&) const in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#4 Foam::regIOobject::~regIOobject() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/lib/linux64GccDPOpt/libOpenFOAM.so"
#5 Foam::IOList<int>::~IOList() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#6 Foam:rocessorMeshes::read() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#7 Foam:rocessorMeshes::readUpdate() in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#8 main in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
#9 __libc_start_main in "/lib64/libc.so.6"
#10 Foam::regIOobject::writeObject(Foam::IOstream::str eamFormat, Foam::IOstream::versionNumber, Foam::IOstream::compressionType) const in "/home/huxiaoxi/OpenFOAM/OpenFOAM-1.7.1/applications/bin/linux64GccDPOpt/reconstructPar"
Segmentation fault

Can anyone help me?

Thanks.

Xiaoxia
Have you reconstructed the meshes with reconstructParMesh? Last time I looked this was necessary
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Old   September 6, 2011, 14:05
Default segmentation fault
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yes, I did.
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Old   September 6, 2011, 14:20
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Originally Posted by huxiaoxia View Post
yes, I did.
That kind of information would have been nice in the first place as it is a common pitfall.

Next question: are you reconstructing all time-steps at once (that is another thing that doesn't work as far as I remember). Can't tell from whatyou posted if the problem occured during the reconstruction of the first time-step or later

If its not that I can only tell you what I tell all people that have a segfault: Compile a Debug-version of OF. Then the dump will also show line numbers and things get interesting
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Old   September 10, 2011, 12:02
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How can I compile a debug-version of OF? By the way, I am using the version 1.7.1? Is it possible to have the bug for this version?
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Old   September 10, 2011, 13:17
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Originally Posted by huxiaoxia View Post
How can I compile a debug-version of OF? By the way, I am using the version 1.7.1? Is it possible to have the bug for this version?
See http://openfoamwiki.net/index.php/Ma...at_is_wrong.3F
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