Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.012 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'python,': 0.02; 'subject:GNU': 0.09; 'detected': 0.16; 'from:addr:pobox.com': 0.16; 'from:addr:skip': 0.16; 'malloc': 0.16; 'subject:ctypes': 0.16; 'tracing': 0.16; 'sender:addr:gmail.com': 0.17; 'thanks,': 0.17; "hasn't": 0.19; 'help.': 0.21; 'error': 0.23; 'skip': 0.24; 'subject:/': 0.26; 'certain': 0.27; 'list:': 0.30; 'message- id:@mail.gmail.com': 0.30; "i'm": 0.30; 'getting': 0.31; 'obscure': 0.31; "i'd": 0.34; 'received:google.com': 0.35; 'really': 0.36; 'leads': 0.36; 'possible': 0.36; 'subject:?': 0.36; 'error.': 0.37; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'subject:Using': 0.84; 'subject:via': 0.84; '***': 0.95 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=SfWrOlYiohopvsdMFCiS5aiUJjLC4JOhvLK5gdhvsjM=; b=SVM1HQInfZCUTlnwEXI5nomYbneqIpBV6+R4Y1RSHgktf3I2rmowwOookvGjHR/r/3 85hWzv6vt18Zj8ji5iiVSlw0m+BBu+H1PIjVNKINRJMuGLfhPIyYmBTOfPSVC9IKvmPI JbvfH3K9bL92higal/HpkDBTr1tRKybVtS2Op2N2giWAOVRck4L/uQ0/HTs6/3lEs08Y PRSw2/hmPvQFbcNBgVLDeII7Z4XakI6wRXNY0+uwrwZ2zRlZxdxxtVBiXejy1KB6m8rZ B2bnXCXw3zIxn8OitZKxRNesgz9P7/6smpU2OVnfq1ypFT1XI0/3oaH8rOROWT7KHrkN ParA== MIME-Version: 1.0 X-Received: by 10.50.49.14 with SMTP id q14mr14196763ign.2.1380552020975; Mon, 30 Sep 2013 07:40:20 -0700 (PDT) Sender: skip.montanaro@gmail.com Date: Mon, 30 Sep 2013 09:40:20 -0500 X-Google-Sender-Auth: BBPqWNLtvTypyDd76jHaaNCWsE4 Subject: Using GNU libc mtrace/muntrace via ctypes? From: Skip Montanaro To: Python Content-Type: text/plain; charset=UTF-8 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 12 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1380552023 news.xs4all.nl 15898 [2001:888:2000:d::a6]:35801 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:55077 I'm getting an error in certain situations which leads to this message: *** glibc detected *** /opt/TWWfsw/bin/python: corrupted double-linked list: 0x0000000007952420 *** Valgrind hasn't been any help. I'd really like to avoid recompiling Python, as that might just move or obscure the error. Might it be possible to enable the GNU libc malloc tracing via ctypes? Thanks, Skip