[pypy-commit] pypy default: Mention it as a bug

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r76437:cb01edcb5941
Date: 2015-03-17 19:11 +0100
http://bitbucket.org/pypy/pypy/changeset/cb01edcb5941/

Log:	Mention it as a bug

diff --git a/pypy/doc/stm.rst b/pypy/doc/stm.rst
--- a/pypy/doc/stm.rst
+++ b/pypy/doc/stm.rst
@@ -130,7 +130,11 @@
 
 * Weakrefs might appear to work a bit strangely for now, sometimes
   staying alive throught ``gc.collect()``, or even dying but then
-  un-dying for a short time before dying again.
+  un-dying for a short time before dying again.  A similar problem can
+  show up occasionally elsewhere with accesses to some external
+  resources, where the (apparent) serialized order doesn't match the
+  underlying (multithreading) order.  These are bugs (partially fixed
+  already in ``stmgc-c8``).
 
 * The STM system is based on very efficient read/write barriers, which
   are mostly done (their placement could be improved a bit in