shell script segment fault when executed by crontab

[Matt McCutchen]

On Sat, 2006-06-17 at 16:27 +0800, Reddragon Wang wrote:
> I encounter a problem, program will segment fault when executed in a
> shell by crontab. [...] The abstract is a program that uses shared
> memory to compute the bill.

This doesn't seem to have anything to do with rsync.  You should ask the
authors of "abstract" why it is crashing.  However, I can think of two
ways in general that you might be able to find out more about the crash:

- Run "abstract" in a debugger, such as GDB.
- Run "abstract" under valgrind.

Matt