btl/ofi/mempatcher not happy with sessions when using enable-mca-dso

[hppritcha]

more problems with ofi btl and the use of mempatcher with the ofi libfabric memory monitoring system. Again sessions_init_twice test shows the problem;

[nid001387:227530] [ 0] /lib64/libpthread.so.0(+0x16910)[0x1545eea76910]
[nid001387:227530] [ 1] g/ompi/foobar/lib/libopen-pal.so.0(opal_patcher_base_restore_all+0x54)[0x1545ee81d914]
[nid001387:227530] [ 2] g/ompi/foobar/lib/libopen-pal.so.0(+0xbdaa8)[0x1545ee81daa8]
[nid001387:227530] [ 3] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_close+0x12c)[0x1545ee79f29c]
[nid001387:227530] [ 4] g/ompi/foobar/lib/libopen-pal.so.0(+0xbb181)[0x1545ee81b181]
[nid001387:227530] [ 5] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_component_close+0x2c)[0x1545ee79c9f1]
[nid001387:227530] [ 6] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_components_close+0x57)[0x1545ee79cafd]
[nid001387:227530] [ 7] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_components_close+0x2d)[0x1545ee79caa4]
[nid001387:227530] [ 8] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_close+0x146)[0x1545ee79f2b6]
[nid001387:227530] [ 9] g/ompi/foobar/lib/libopen-palmca_common_ofi.so.0(+0x2b8e)[0x1545ed09bb8e]
[nid001387:227530] [10] g/ompi/foobar/lib/libopen-palmca_common_ofi.so.0(opal_common_ofi_close+0x2d)[0x1545ed09bbee]
[nid001387:227530] [11] g/ompi/foobar/lib/openmpi/mca_btl_ofi.so(+0x424e)[0x1545ed0a724e]
[nid001387:227530] [12] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_component_close+0x2c)[0x1545ee79c9f1]
[nid001387:227530] [13] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_components_close+0x57)[0x1545ee79cafd]
[nid001387:227530] [14] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_components_close+0x2d)[0x1545ee79caa4]
[nid001387:227530] [15] [nid001387:227529] [ 0] /lib64/libpthread.so.0(+0x16910)[0x148dd60d2910]
[nid001387:227529] [ 1] g/ompi/foobar/lib/libopen-pal.so.0(+0xaf946)[0x1545ee80f946]
[nid001387:227530] [16] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_close+0x12c)[0x1545ee79f29c]
[nid001387:227530] [17] g/ompi/foobar/lib/libopen-pal.so.0(opal_patcher_base_restore_all+0x54)[0x148dd5e79914]
[nid001387:227529] [ 2] g/ompi/foobar/lib/libopen-pal.so.0(+0xbdaa8)[0x148dd5e79aa8]
[nid001387:227529] [ 3] g/ompi/foobar/lib/libmpi.so.0(+0x12f30f)[0x1545eebd730f]
[nid001387:227530] [18] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_close+0x12c)[0x1545ee79f29c]
[nid001387:227530] [19] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_framework_close+0x12c)[0x148dd5dfb29c]
[nid001387:227529] [ 4] g/ompi/foobar/lib/libopen-pal.so.0(+0xbb181)[0x148dd5e77181]
[nid001387:227529] [ 5] g/ompi/foobar/lib/libopen-pal.so.0(mca_base_component_close+0x2c)[0x148dd5df89f1]
[nid001387:227529] [ 6] g/ompi/foobar/lib/libmpi.so.0(+0x9103e)[0x1545eeb3903e]

happens in the second call to MPI_Session_finalize.
This doesn't happen with default build, but when using --enable-mca-dso.

[jsquyres]

@hppritcha Could this be related to #13014?

[hppritcha]

maybe not sure.

[hppritcha]

This was a different problem - not related to #13014

[hppritcha]

fixed via #13020 and #13034