diff --git a/.github/workflows/test-pytest-slow.yaml b/.github/workflows/test-pytest-slow.yaml
index 85050d531..67aca7e82 100644
--- a/.github/workflows/test-pytest-slow.yaml
+++ b/.github/workflows/test-pytest-slow.yaml
@@ -20,6 +20,9 @@ jobs:
   pytest:
     runs-on: ubuntu-latest
     strategy:
+      # Same reason as the main matrix: 3.10 failing tells you nothing about
+      # 3.14, so cancelling it costs a result and saves nothing worth having.
+      fail-fast: false
       matrix:
         python-version: ["3.10", "3.14"]
     env:
@@ -75,7 +78,10 @@ jobs:
             else
               status=$?
             fi
-            if [[ "$status" != "138" || "$attempt" == "$attempts" ]]; then
+            # 138 is SIGBUS on macOS, 135 is SIGBUS on Linux, 139 is SIGSEGV on
+            # both. The measured split on this test was eight SIGSEGV to two
+            # SIGBUS, so keying on 138 alone let the common case through.
+            if [[ ! "$status" =~ ^(135|138|139)$ || "$attempt" == "$attempts" ]]; then
               exit "$status"
             fi
           done
diff --git a/.github/workflows/test_pytest.yaml b/.github/workflows/test_pytest.yaml
index bab3823c7..a207282fd 100644
--- a/.github/workflows/test_pytest.yaml
+++ b/.github/workflows/test_pytest.yaml
@@ -17,6 +17,8 @@ jobs:
   Pytest:
     runs-on: ${{ matrix.os }}
     strategy:
+      # One platform's result should not decide the other five. Added in #1084;
+      # kept explicit here so it does not get tidied away later.
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
@@ -85,7 +87,10 @@ jobs:
             else
               status=$?
             fi
-            if [[ "$status" != "138" || "$attempt" == "$attempts" ]]; then
+            # 138 is SIGBUS on macOS, 135 is SIGBUS on Linux, 139 is SIGSEGV on
+            # both. The measured split on this test was eight SIGSEGV to two
+            # SIGBUS, so keying on 138 alone let the common case through.
+            if [[ ! "$status" =~ ^(135|138|139)$ || "$attempt" == "$attempts" ]]; then
               exit "$status"
             fi
           done