WIP: GH-43057: [C++] Debug sporadic CI crash

pitrou · pitrou · commit cba12779b9fa · 2024-09-03T17:59:30.000+02:00
diff --git a/ci/docker/ubuntu-20.04-cpp.dockerfile b/ci/docker/ubuntu-20.04-cpp.dockerfile
@@ -148,20 +148,20 @@ RUN /arrow/ci/scripts/install_sccache.sh unknown-linux-musl /usr/local/bin
 ENV absl_SOURCE=BUNDLED \
     ARROW_ACERO=ON \
     ARROW_AZURE=OFF \
-    ARROW_BUILD_STATIC=ON \
+    ARROW_BUILD_STATIC=OFF \
     ARROW_BUILD_TESTS=ON \
     ARROW_DEPENDENCY_SOURCE=SYSTEM \
     ARROW_DATASET=ON \
     ARROW_FLIGHT=OFF \
-    ARROW_GANDIVA=ON \
-    ARROW_GCS=ON \
+    ARROW_GANDIVA=OFF \
+    ARROW_GCS=OFF \
     ARROW_HDFS=ON \
     ARROW_HOME=/usr/local \
     ARROW_INSTALL_NAME_RPATH=OFF \
-    ARROW_ORC=ON \
+    ARROW_ORC=OFF \
     ARROW_PARQUET=ON \
-    ARROW_S3=ON \
-    ARROW_SUBSTRAIT=ON \
+    ARROW_S3=OFF \
+    ARROW_SUBSTRAIT=OFF \
     ARROW_USE_ASAN=OFF \
     ARROW_USE_CCACHE=ON \
     ARROW_USE_LLD=ON \
diff --git a/ci/scripts/cpp_test.sh b/ci/scripts/cpp_test.sh
@@ -89,14 +89,17 @@ pushd ${build_dir}
 if [ -z "${PYTHON}" ] && ! which python > /dev/null 2>&1; then
   export PYTHON="${PYTHON:-python3}"
 fi
+
+ulimit -c unlimited
+
 ctest \
     --label-regex unittest \
     --output-on-failure \
     --parallel ${n_jobs} \
     --repeat until-pass:3 \
     --timeout ${ARROW_CTEST_TIMEOUT:-300} \
     "${ctest_options[@]}" \
-    "$@"
+    "$@" || sleep 3600
 
 if [ "${ARROW_BUILD_EXAMPLES}" == "ON" ]; then
     examples=$(find ${binary_output_dir} -executable -name "*example")
diff --git a/dev/tasks/docker-tests/github.linux.yml b/dev/tasks/docker-tests/github.linux.yml
@@ -27,8 +27,12 @@ jobs:
 {{ macros.github_set_env(env) }}
     timeout-minutes: {{ timeout|default(60) }}
     steps:
+      - name: Setup tmate session
+        uses: mxschmitt/action-tmate@v3
+        with:
+          detached: true
+
       {{ macros.github_checkout_arrow(fetch_depth=fetch_depth|default(1))|indent }}
-      {{ macros.github_free_space()|indent }}
       {{ macros.github_install_archery()|indent }}
 
       - name: Execute Docker Build
@@ -38,6 +42,8 @@ jobs:
         run: |
           # GH-40558: reduce ASLR to avoid TSAN crashing
           sudo sysctl -w vm.mmap_rnd_bits=28
+          sudo sysctl -w kernel.core_pattern="/tmp/core.%e.%p"
+          ulimit -c unlimited
           archery docker run \
             -e SETUPTOOLS_SCM_PRETEND_VERSION="{{ arrow.no_rc_version }}" \
             {{ flags|default("") }} \
