From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
Subject: Re: [9fans] pico
From: "Russ Cox" <rsc@swtch.com>
Date: Tue, 29 Jan 2008 17:46:24 -0500
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> I get something that ends in "(double-free?)" and then the program  
> crashes, but something like

This usually means you have freed the same pointer twice
or you are passing a pointer to free that was not returned
by malloc.  If you run acid to get a stack trace to see the
context of the free, that is often enough to identify the
problem.

% acid pid
acid: stk()
...
^D
%

Russ