Dump GDB backtraces on segfault

Author: gigony

ci/gpu/build.sh

@@ -88,7 +88,19 @@ gpuci_mamba_retry install -y -c ${LIBCUCIM_BLD_PATH} -c ${CUCIM_BLD_PATH} -c rap
     cucim
 
 gpuci_logger "Testing cuCIM import"
-python -c 'import cucim'
+gpuci_mamba_retry install -y -c conda-forge gdb
+
+echo "importing both modules"
+gdb -ex 'set confirm off' -ex 'run -c "import cucim"' -ex 'bt' -ex 'quit' `which python`
+
+echo "importing cupy only"
+gdb -ex 'set confirm off' -ex 'run -c "import cupy"' -ex 'bt' -ex 'quit' `which python`
+
+echo "importing CuImage only"
+gdb -ex 'set confirm off' -ex 'run -c "from cucim.clara import CuImage"' -ex 'bt' -ex 'quit' `which python`
+
+echo "importing clara only"
+gdb -ex 'set confirm off' -ex 'run -c "from cucim.clara import CuImage, __version__, cli"' -ex 'bt' -ex 'quit' `which python`
 
 gpuci_logger "Check versions"
 python --version

conda/recipes/cucim/build.sh

@@ -1,6 +1,6 @@
 # Copyright (c) 2021, NVIDIA CORPORATION.
 
-CUCIM_BUILD_TYPE=${CUCIM_BUILD_TYPE:-release}
+CUCIM_BUILD_TYPE=${CUCIM_BUILD_TYPE:-rel-debug}
 
 echo "CC          : ${CC}"
 echo "CXX         : ${CXX}"

conda/recipes/libcucim/build.sh

@@ -1,7 +1,8 @@
 # Copyright (c) 2021, NVIDIA CORPORATION.
 
-CUCIM_BUILD_TYPE=${CUCIM_BUILD_TYPE:-release}
-
+CUCIM_BUILD_TYPE=${CUCIM_BUILD_TYPE:-rel-debug}
+echo "#####################################"
+echo "cat /proc/sys/kernel/core_pattern : $(cat /proc/sys/kernel/core_pattern)"
 echo "CC          : ${CC}"
 echo "CXX         : ${CXX}"
 echo "CUDAHOSTCXX : ${CUDAHOSTCXX}"

python/cucim/src/cucim/__init__.py

@@ -38,13 +38,17 @@
 #   python3: Relink `/usr/lib/x86_64-linux-gnu/libnccl.so.2.8.3' with `/lib/x86_64-linux-gnu/librt.so.1' for IFUNC symbol `clock_gettime'
 #   Segmentation fault
 try:
+    print("Trying to import cupy...")
     import cupy
+    print("Importing cupy done.")
     _is_cupy_available = True
 except ImportError:
     pass
 
 try:
+    print("Trying to import clara...")
     from .clara import CuImage, __version__, cli
+    print("Importing clara done.")
     _is_clara_available = True
 except ImportError:
     from ._version import get_versions