[Tutor] glibc error while Python script runs

Bernard Lebel 3dbernard at gmail.com
Wed Jan 4 23:31:19 CET 2006

Hi Danny,
See [Bernard] below...

On 1/4/06, Danny Yoo <dyoo at hkn.eecs.berkeley.edu> wrote:
> > rn200.bbfxa.com Wed Jan  4 16:23:36 2006 [jobid: 9]: Get status of all
> > local jobs for this job...
> >
> > *** glibc detected *** double free or corruption: 0x09484d58 ***
> > Aborted
> Hi Bernard,
> Ugh.  I hate memory allocation bugs.
> Is it reproducable? Can you run this through a debugger like GDB to find
> out where we are when this happens?  A stack trace will be invaluable
> because we need to know who to blame.

[Bernard] I am quite unfamiliar with Linux in general and a lot more
with these tools. Where can I find information about GDB?

> *grin* We need to know if it's
> Python that's doing this, or if it's MySQLdb, or if it's something else
> entirely...
> Just checking up on this: what version of MySQLdb do you have on those
> systems?  I do remember some ugly memory-leaking bugs that haunted ancient
> versions of MySQLdb, so I want to make sure we're not hitting those.

[Bernard] I am using 1.2.0, with Python 2.3.4.

> Analyzing this might goes out of Tutor's scope, so you may want to bring
> this up on a more general forum like comp.lang.python instead.

[Bernard] Okay thanks a lot. I'll check it out, but if you have any idea... :-)


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