Segfault on shutdown

[Peter Peterson]

It is unclear what is the actual cause of this, but it has been observed on Fedora 20 and Ubuntu 14.04 both of which have gcc 4.8 and python 2.7.

To reproduce:

python -c "import mantid"

Which will produce an error (amongst lots of extra information)

*** Error in `python': double free or corruption (fasttop): 0x00000000024cdb80 ***

[Andrei Savici]

On clean Ubuntu 14.04 I get

[ FATAL ] /home/andrei/Mantid/mantid/Code/Mantid/TestingTools/gmock-1.7.0/gtest/include/gtest/internal/gtest-port.h:1486:: pthread_key_delete(key_)failed with error 22
Aborted (core dumped)

I don't have the problem if I use the debug build :(

[Martyn Gigg]

It seems to be the presence of the libgmock.so library in the bin directory. If I do

cd bin
rm libgmock.so
python -c "import mantid"

then all seems fine. Given that the plugins directory is set the bin for a dev copy then it tries to load all .so files in that directory.

Once difference I notice between this and my Ubuntu 12.04 build is that the gmock/gtest libraries are static (.a) for 12.04/gcc-4.6 but dynamic (.so) for 14.04/gcc-4.8.

[Martyn Gigg]

I think the answer here is to move back to using static libraries for gtest/gmock.

If I insert these lines

# Use static libraries as the dynamic ones are built with different
# flags and don't load correctly for us. This does not affect
# the global scope
set ( BUILD_SHARED_LIBS OFF )

at the top of Code/Mantid/TestingTools/CMakeLists.txt then the problem seems to go away.

[Andrei Savici]

removing libgmock.so and libgmock_main.so did the trick for me (Ubuntu 14.04)

[Martyn Gigg]

Use static gmock/gtest libraries.

Refs #9352

Changeset: 93bd59f9771106737d84929d4ba0c2b6a0074ac2

[Andrei Savici]

Works on Ubuntu 13.10, gcc 4.8.1, Release

Works on Ubuntu 14.04, gcc 4.8.2, Release

[Vickie Lynch]

Works on Redhat6, gcc 4.4.7, RelWithDebInfo (get error after building master with ninja)

[Peter Peterson]

Works on fedora 20, gcc 4.8.2, ninja, Release - including unit tests Works on fedora 20, gcc 4.8.2, ninja, Debug - including unit tests

[Michael Reuter]

Works on Fedora 20 VM, gcc 4.8.2, ninja, Release, with unit tests.

[Martyn Gigg]

Use static gmock/gtest libraries.

Refs #9352

Changeset: 4ae606a9a3dc6fd909416ecbd1b2ac6cfd377208

[Peter Peterson]

For some reason the automatic closing didn't work.

[Stuart Campbell]

This ticket has been transferred to github issue ​10195