[Beowulf] Seg Fault with pvm_upkstr() and Linux.
Robert G. Brown
rgb at phy.duke.edu
Sat Mar 19 08:54:51 EST 2005
On Fri, 18 Mar 2005, Josh Zamor wrote:
> > (So it was probably one or the other of the bugs I pointed out.)
> That was it. I had tried that when experimenting with the factorial
> program, but I had made another mistake that masked the solution. And
> then of course I made the always fatal mistake of assuming that it must
> be somebody else's code, as it worked on one machine and not on the
> other. Thanks, I really appreciate your assistance.
In the 32 years or so I've been programming, I think I've encountered
problems in programs that really weren't >>my<< fault (as opposed to
bugs in a compiler or even a mature library) fewer than a dozen times.
So the odds were pretty good. Especially for something like gcc+PVM,
which is a combination widely enough used and old enough that finding a
new, unfixed, egregious bug is really really unlikely.
It always helps to get another pair of eyes on buggy code though, and
the list contains a lot of pairs...;-)
Robert G. Brown http://www.phy.duke.edu/~rgb/
Duke University Dept. of Physics, Box 90305
Durham, N.C. 27708-0305
Phone: 1-919-660-2567 Fax: 919-660-2525 email:rgb at phy.duke.edu
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