Try to capture a core

Author: virtuald

.github/workflows/test.yml

@@ -20,13 +20,14 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: ["ubuntu-22.04", "macos-13", "windows-2022"]
+        # os: ["ubuntu-22.04", "macos-13", "windows-2022"]
+        os: ["ubuntu-22.04", "ubuntu-24.04"]
         python_version:
-        - '3.9'
-        - '3.10'
-        - '3.11'
+        # - '3.9'
+        # - '3.10'
+        # - '3.11'
         - '3.12'
-        - '3.13'
+        # - '3.13'
 
     steps:
     - uses: actions/checkout@v4
@@ -37,6 +38,20 @@ jobs:
       run: |
         pip install git+https://github.com/robotpy/pyfrc.git@separate-process
         pip install 'robotpy[commands2,romi]<2026.0.0,>=2025.0.0b3' numpy pytest
+    - name: Set cores to get stored in /cores
+      run: |
+        sudo mkdir /cores
+        sudo chmod 777 /cores
+        # Core filenames will be of the form executable.pid.timestamp:
+        sudo bash -c 'echo "/cores/%e.%p.%t" > /proc/sys/kernel/core_pattern'
     - name: Run tests
-      run: bash run_tests.sh
+      run: |
+        ulimit -c unlimited
+        bash run_tests.sh
       shell: bash
+
+    - uses: actions/upload-artifact@v4
+      if: ${{ failure() }}  # Run only if something went wrong
+      with:
+        name: cores-${{ matrix.os }}
+        path: /cores