diff --git a/.github/workflows/pr-test.yml b/.github/workflows/pr-test.yml
index eeb4e330d7..579b333cdf 100644
--- a/.github/workflows/pr-test.yml
+++ b/.github/workflows/pr-test.yml
@@ -97,7 +97,7 @@ jobs:
       - Linux
       - ${{ matrix.arch }}
       - cpu
-    timeout-minutes: 300
+    timeout-minutes: 360
     strategy:
       fail-fast: false
       matrix:
@@ -108,6 +108,10 @@ jobs:
     steps:
       - name: Cleanup
         run: |
+          # Stop all Docker containers to free memory
+          docker stop $(docker ps -q) 2>/dev/null || true
+          docker rm $(docker ps -aq) 2>/dev/null || true
+          # Clean workspace and caches
           sudo rm -rf ${{ github.workspace }}/* || true
           sudo rm -rf ${{ github.workspace }}/.[!.]* || true
           rm -rf ~/.cache/flashinfer_jit || true
@@ -136,7 +140,7 @@ jobs:
     needs: setup
     if: needs.setup.outputs.skip_build != 'true' && github.event.inputs.skip_gpu != 'true'
     runs-on: [self-hosted, Linux, X64, gpu, sm86]
-    timeout-minutes: 300
+    timeout-minutes: 360
     strategy:
       fail-fast: false
       matrix:
@@ -154,7 +158,6 @@ jobs:
           sudo rm -rf ${{ github.workspace }}/.[!.]* || true
           rm -rf ~/.cache/flashinfer_jit || true
           docker system prune -f || true
-          # Verify GPU is free
           nvidia-smi || true
 
       - uses: actions/checkout@v4
@@ -180,7 +183,7 @@ jobs:
     needs: setup
     if: needs.setup.outputs.skip_build != 'true' && github.event.inputs.skip_gpu != 'true'
     runs-on: [self-hosted, Linux, X64, gpu, sm75]
-    timeout-minutes: 300
+    timeout-minutes: 360
     env:
       DOCKER_IMAGE: flashinfer/flashinfer-ci-cu129:${{ needs.setup.outputs.docker_tag }}
     steps:
@@ -194,7 +197,6 @@ jobs:
           sudo rm -rf ${{ github.workspace }}/.[!.]* || true
           rm -rf ~/.cache/flashinfer_jit || true
           docker system prune -f || true
-          # Verify GPU is free
           nvidia-smi || true
 
       - uses: actions/checkout@v4
diff --git a/scripts/task_show_node_info.sh b/scripts/task_show_node_info.sh
index 8569a1e0d9..6d79c3fe6e 100755
--- a/scripts/task_show_node_info.sh
+++ b/scripts/task_show_node_info.sh
@@ -40,5 +40,5 @@ ec2_metadata public-hostname
 echo "===== RUNNER INFO ====="
 df --human-readable
 lscpu
-free
+free -h
 nvidia-smi 2>/dev/null || echo "cuda not found"