[pyapi, tests] Fix async inference queue in pythons API

.github/workflows/job_samples_tests.yml

@@ -129,6 +129,8 @@ jobs:
           export IE_APP_PATH=$INSTALL_DIR/samples_bin
           export IE_APP_PYTHON_PATH=$INSTALL_DIR/samples/python
           export SHARE=$INSTALL_TEST_DIR/smoke_tests/samples_smoke_tests_data
+          # Enable AUTO/MULTI plugin INFO-level logging to diagnose device-init hangs
+          export OPENVINO_LOG_LEVEL=2
 
           # Install Python benchmark_app by installing openvino-*.whl
           python3 -m pip install --ignore-installed PyYAML -r $INSTALL_TEST_DIR/smoke_tests/requirements.txt
@@ -139,15 +141,32 @@ jobs:
           source ${INSTALL_DIR}/setupvars.sh
 
           PYTHONCOERCECLOCALE=warn python3 -bb -W error -X dev -m pytest $INSTALL_TEST_DIR/smoke_tests \
+            --numprocesses auto \
             -v -ra \
-            -o log_cli=true --log-cli-level=INFO \
-            --timeout=180 \
+            -o log_cli=true --log-cli-level=DEBUG \
+            --timeout=300 \
+            --timeout-method=signal \
+            --log-file=$INSTALL_TEST_DIR/samples_smoke_tests.log \
+            --log-file-level=DEBUG \
             --junitxml=$INSTALL_TEST_DIR/TEST-samples_smoke_tests.xml
 
+      - name: Dump system state on failure
+        if: failure()
+        run: |
+          echo "=== Running processes ==="
+          ps auxf || true
+          echo "=== Memory usage ==="
+          free -h || true
+          echo "=== Kernel OOM / kill events ==="
+          dmesg | grep -iE 'oom|kill|out of memory' | tail -30 || true
+
       - name: Upload Test Results
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         if: ${{ always() }}
         with:
           name: test-results-samples
-          path: ${{ env.INSTALL_TEST_DIR }}/TEST-samples_smoke_tests.xml
+          path: |
+            ${{ env.INSTALL_TEST_DIR }}/TEST-samples_smoke_tests.xml
+            ${{ env.INSTALL_TEST_DIR }}/samples_smoke_tests.log
+            ${{ env.INSTALL_TEST_DIR }}/samples_smoke_tests_gw*.log
           if-no-files-found: 'warn'

.github/workflows/windows_vs2022_release.yml

@@ -166,10 +166,14 @@ jobs:
           python3 -m pip install pytest-timeout==2.4.0
           . "./setupvars.ps1"
           $Env:PYTHONCOERCECLOCALE="warn"
+          # Enable AUTO/MULTI plugin INFO-level logging to diagnose device-init hangs
+          $Env:OPENVINO_LOG_LEVEL="2"
           python3 -bb -W error -X dev -X warn_default_encoding -m pytest ./tests/smoke_tests --numprocesses auto `
             -v -ra `
-            -o log_cli=true --log-cli-level=INFO `
-            --timeout=180 `
+            -o log_cli=true --log-cli-level=DEBUG `
+            --timeout=300 `
+            --log-file=${{ env.INSTALL_TEST_DIR }}/samples_smoke_tests.log `
+            --log-file-level=DEBUG `
             --junitxml=${{ env.INSTALL_TEST_DIR }}/TEST-samples_smoke_tests.xml
         env:
           IE_APP_PATH: ${{ env.INSTALL_DIR }}/samples_bin
@@ -178,12 +182,25 @@ jobs:
           WORKSPACE: ${{ env.INSTALL_DIR }}
         working-directory: ${{ env.INSTALL_DIR }}
 
+      - name: Dump system state on failure
+        if: ${{ always() }}
+        run: |
+          echo "=== Running processes ==="
+          Get-Process | Sort-Object CPU -Descending | Select-Object -First 30 | Format-Table -AutoSize
+          echo "=== Memory usage ==="
+          Get-WmiObject Win32_OperatingSystem | Select-Object FreePhysicalMemory, TotalVisibleMemorySize | Format-List
+        shell: pwsh
+        continue-on-error: true
+
       - name: Upload Test Results
         uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
         if: ${{ always() }}
         with:
           name: test-results-samples
-          path: ${{ env.INSTALL_TEST_DIR }}/TEST-samples_smoke_tests.xml
+          path: |
+            ${{ env.INSTALL_TEST_DIR }}/TEST-samples_smoke_tests.xml
+            ${{ env.INSTALL_TEST_DIR }}/samples_smoke_tests.log
+            ${{ env.INSTALL_TEST_DIR }}/samples_smoke_tests_gw*.log
           if-no-files-found: 'warn'
 
       # Test .bat scripts for samples building

src/bindings/python/src/openvino/_ov_api.py

@@ -565,14 +565,14 @@ def start_async(
                               Default value: False
         :type share_inputs: bool, optional
         """
-        super().start_async(
-            _data_dispatch(
-                self[self.get_idle_request_id()],
-                inputs,
-                is_shared=share_inputs,
-            ),
-            userdata,
-        )
+        request_id = self.get_idle_request_id()
+        request = self[request_id]
+        dispatched = _data_dispatch(request, inputs, is_shared=share_inputs)
+        if share_inputs:
+            if not hasattr(self, "_inputs_data"):
+                self._inputs_data = {}
+            self._inputs_data[request_id] = getattr(request, "_inputs_data", None)
+        super().start_async(dispatched, userdata)
 
 
 class Core(CoreBase):

src/bindings/python/src/pyopenvino/core/async_infer_queue.cpp

@@ -41,6 +41,9 @@ class AsyncInferQueue {
     }
 
     ~AsyncInferQueue() {
+        // Release the GIL while clearing requests (which may trigger C++ destructor chains
+        // including executor thread joins that may need to acquire the GIL in callbacks).
+        py::gil_scoped_release release;
         m_requests.clear();
     }