Release 3.6.1

Cache execnet gateway rinfo during WorkerController setup

.github/workflows/deploy.yml

@@ -19,7 +19,7 @@ jobs:
     - uses: actions/checkout@v4
 
     - name: Build and Check Package
-      uses: hynek/build-and-inspect-python-package@v2.2
+      uses: hynek/build-and-inspect-python-package@v2.4
 
   deploy:
     needs: package

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Build and Check Package
-      uses: hynek/build-and-inspect-python-package@v2.2
+      uses: hynek/build-and-inspect-python-package@v2.4
 
   test:
 

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: "v0.3.7"
+  rev: "v0.4.1"
   hooks:
     - id: ruff
       args: ["--fix"]

CHANGELOG.rst

@@ -1,6 +1,16 @@
+pytest-xdist 3.6.1 (2024-04-28)
+===============================
+
+Bug Fixes
+---------
+
+- `#1071 <https://github.com/pytest-dev/pytest-xdist/issues/1071>`_: Add backward compatibility for deadlock issue with the ``execnet`` new ``main_thread_only`` "execmodel" triggered when pytest-cov accesses rinfo.
+
 pytest-xdist 3.6.0 (2024-04-19)
 ===============================
 
+This release was YANKED due to a regression fixed in 3.6.1.
+
 Features
 --------
 

src/xdist/workermanage.py

@@ -312,6 +312,11 @@ class WorkerController:
 
     def setup(self) -> None:
         self.log("setting up worker session")
+        # Cache rinfo for backward compatibility, since pytest-cov
+        # accesses rinfo while the main thread is busy executing our
+        # remote_exec call, which triggers a deadlock error for the
+        # main_thread_only execmodel if the rinfo has not been cached.
+        self.gateway._rinfo()
         spec = self.gateway.spec
         args = [str(x) for x in self.config.invocation_params.args or ()]
         option_dict = {}