Bugs item #1075984, was opened at 2004-11-30 13:13
Message generated for change (Comment added) made by kerofin
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1075984&group_id=5470
Category: XML
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Maik Hertha (mhertha)
Assigned to: Nobody/Anonymous (nobody)
Summary: Memory fault pyexpat.so on SGI
Initial Comment:
I build the latest RC1 of python 2.4.
System SGI Fuel IP35, Irix 6.5.26m
cc -version
MIPSpro Compilers: Version 7.3.1.3m
- make tests passes test_pyexpat without error
- running this code leads to a core dump
-- code ---
import xml.dom.minidom
doc = xml.dom.minidom.parseString(fstream)
<<< core dump >>>
--- runing python -v test.py
#
/opt/python24c1/lib/python2.4/xml/dom/expatbuilder.pyc
matches
/opt/python24c1/lib/python2.4/xml/dom/expatbuilder.py
import xml.dom.expatbuilder # precompiled from
/opt/python24c1/lib/python2.4/xml/dom/expatbuilder.pyc
import xml.parsers # directory
/opt/python24c1/lib/python2.4/xml/parsers
#
/opt/python24c1/lib/python2.4/xml/parsers/__init__.pyc
matches
/opt/python24c1/lib/python2.4/xml/parsers/__init__.py
import xml.parsers # precompiled from
/opt/python24c1/lib/python2.4/xml/parsers/__init__.pyc
# /opt/python24c1/lib/python2.4/xml/parsers/expat.pyc
matches /opt/python24c1/lib/python2.4/xml/parsers/expat.py
import xml.parsers.expat # precompiled from
/opt/python24c1/lib/python2.4/xml/parsers/expat.pyc
dlopen("/opt/python24c1/lib/python2.4/lib-dynload/pyexpat.so",
2);
Memory fault(coredump)
- running this code from an interactive session leads
not to a coredump
I need some assistance howto provide further debug
information.
--maik./
----------------------------------------------------------------------
Comment By: Stephen Watson (kerofin)
Date: 2004-12-10 16:46
Message:
Logged In: YES
user_id=471223
I also got a core dump importing pyexpat on Solaris (SPARC)
and somebody else reported it on a *BSD system.
It appears to be a problem with older versions of expat not
being tested for. I used gdb to trace it down to line 1972
in pyexpat.c where it attempts to define the first constant
from 1.95.8. I had expat 1.95.7. After upgrading to 1.95.8
it worked fine, as did the *BSD system.
I think Python needs to check the expat version, as it does
elsewhere in the file, before defining those constants.
I am still puzzelled over how it managed to compile
pyexpat.c in the first place...
----------------------------------------------------------------------
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1075984&group_id=5470
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