[Python-Dev] head crashing (was: Fwd: [Python-checkins] buildbot warnings in x86 mvlgcc trunk)

Neal Norwitz nnorwitz at gmail.com
Tue May 1 08:38:42 CEST 2007

This is the third time I've seen a crash on 2 different machines.
This is the first time I noticed this unexplained crash:


That was at r54982.

I tried to reproduce this: with a non-debug build, with a debug build,
with valgrind with both types of build.  I could never reproduce it.
Valgrind did not report any errors either.

Here is the third failure:


The failure below prints:
python: Objects/obmalloc.c:746: PyObject_Malloc: Assertion `bp !=
((void *)0)' failed.

which probably doesn't really help since the corruption has already
occurred.  See http://python.org/dev/buildbot/all/x86%20mvlgcc%20trunk/builds/497/step-test/0

Anyone have ideas what might have caused this?


---------- Forwarded message ----------
From: buildbot at python.org <buildbot at python.org>
Date: Apr 30, 2007 11:17 PM
Subject: [Python-checkins] buildbot warnings in x86 mvlgcc trunk
To: python-checkins at python.org

The Buildbot has detected a new failure of x86 mvlgcc trunk.
Full details are available at:

Buildbot URL: http://www.python.org/dev/buildbot/all/

Build Reason:
Build Source Stamp: [branch trunk] HEAD
Blamelist: georg.brandl

Build had warnings: warnings test

Excerpt from the test logfile:
make: *** [buildbottest] Aborted (core dumped)

 -The Buildbot

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