From 2f9bc9933417d4a2b4b0196cfd9e7e886500e98d Mon Sep 17 00:00:00 2001
From: Tim Graham <timograham@gmail.com>
Date: Tue, 6 Oct 2015 13:25:14 -0400
Subject: [PATCH] [1.9.x] Fixed #25516 -- Documented that parallel test
 excution doesn't work with pdb.

Backport of cb15ceb5555de0799210a0ce37e744fd4f284b36 from master
---
 docs/ref/django-admin.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docs/ref/django-admin.txt b/docs/ref/django-admin.txt
index 18e8ec1ca0..492ec50b30 100644
--- a/docs/ref/django-admin.txt
+++ b/docs/ref/django-admin.txt
@@ -1300,6 +1300,10 @@ correctly:
 This feature isn't available on Windows. It doesn't work with the Oracle
 database backend either.
 
+If you want to use :mod:`pdb` while debugging tests, you must disable parallel
+execution (``--parallel=1``). You'll see something like ``bdb.BdbQuit`` if you
+don't.
+
 .. warning::
 
     When test parallelization is enabled and a test fails, Django may be