Marc,

I have a reproducible crash using libxml.  I'd like some suggestions on
how I can track this down as it's become a show-stopper for my current
project.  This is from a libxml gem created from svn this morning.

Can you provide the test data?  That would be hugely helpful.

Also what OS, platform, etc?

I can write and debug C but I'd like some suggestions on what to look
for, and what to try.  I am inclined to modify all calls to free() to
zero or set the allocated memory chunk before freeing it in the hope
that this will make it obvious where things are breaking.


Having not
hacked ruby before I am not sure how easy this will be.  I'm also
wondering whether any of the standard C memory testing tools can be
easily incorporated into the ruby build.

I've successfully used Valgrind.


I'd welcome any suggestions/random thoughts/shared experiences/anything
from anyone at this stage :-)

Did you try these patches?

http://rubyforge.org/pipermail/libxml-devel/2007-June/000314.html

Charlie

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