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From "James H. Cloos Jr." <cl...@jhcloos.com>
Subject Re: WWW Form Bug Report: "core dump reported almost every time
Date Mon, 27 May 1996 17:49:31 GMT
A number of applications were found to have problems, usu off-by-one
errors, when run with the malloc() in libc-5.3.  

The new malloc() uses mmap() to allocate the vm, giving a significant
performance benefit to applications.  The problem is that it is less
forgiving of free()ing non-malloc()ed or already free()ed vm.

Tcsh comes to mind as one of the other big apps that broke.

Have the pool routines been run through a debugging malloc()?

And as an aside, it is not that Linux doesn't dump core, it is that
the ulimit defaults on many of the distributions are very small, often
zero.

-JimC
-- 
James H. Cloos, Jr.	<URL:http://www.jhcloos.com/~cloos/>
cloos@jhcloos.com	Work: cloos@io.com
LPF,Usenix,SAGE,ISOC,ACLU


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