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[Bug 535717] New: numpy.linalg.eig crashes on openSUSE for certain matricies
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 31 Aug 2009 12:40:36 -0600
  • Message-id: <bug-535717-21960@xxxxxxxxxxxxxxxxxxxxxxxx/>
http://bugzilla.novell.com/show_bug.cgi?id=535717


Summary: numpy.linalg.eig crashes on openSUSE for certain
matricies
Classification: openSUSE
Product: openSUSE 11.1
Version: Final
Platform: x86-64
OS/Version: openSUSE 11.1
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Other
AssignedTo: bnc-team-screening@xxxxxxxxxxxxxxxxxxxxxx
ReportedBy: ivo.maljevic@xxxxxxxxx
QAContact: qa@xxxxxxx
Found By: ---


User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.4pre)
Gecko/20090828 Ubuntu/9.04 (jaunty) Shiretoko/3.5.4pre

The function numpy.linalg.eig sometimes crashes on openSUSE for certain
matricies as indicated in the following ticket:

http://projects.scipy.org/numpy/ticket/1211

This appears to be due to some build or linking problem on openSUSE, as the
software does not exhibit this problem on other distributions (except for
Mandriva).

A good practice of testing the scipy/numpy build would be run the following
tests suites in python:

import numpy
numpy.test(verbose=2)

and see if everything succeeds.

The same goes for scipy:

import scipy
scipy.test(verbose=2)


Reproducible: Always

Steps to Reproduce:
1. Download ch.py script from the ticket above
2. Run: python ch.py and see if it executes properly.
3. Another test is to run: numpy.test(verbose=2) as described in the "Details"
field.
Actual Results:

*** glibc detected *** python: corrupted double-linked list:
0x08ae21d8 ***

Expected Results:
1.0 for ch.py, and "OK" for all the tests in case of numpy.test()

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