Dear All:
First, because it has been a while since I last posted an e-mail to this
list, I express my THANKS to you-all for making the Mac OS-X such a joy to
use, as well as making my Mac so much more than a really nice typewriter!
I do have a nagging problem that keeps hopping up in different X-windowed
applications, however. These are not specifically Fink packages, although
they do rely on Fink libraries, etc... But the Fink community is probably
the most knowledgeable group of people dealing with the Mac side of X11.
The problem: "segmentation fault" errors (in *.tcl/tk settings, as well as
in Numeric/python settings). Using either Fink's XFree86 Rootless, or
rooted, as well as threaded or unthreaded versions, and now in Apple's X11
beta release. No difference. The 'segmentation fault' is a real crash,
printing to the terminal from which the application is launched, an infinite
series of messages: 'Segmentation fault'. That does not tell ME much. But I
have to use 'kill -9 [procID]' in another terminal to get out of that loop.
My question: Can anyone point me in the direction of understanding what a
"segmentation fault" might be, and whether there might be a way to address
this?
For the record, the most prevalent instances of this for me are found in
NMRView (alas, not a Fink thing), while loading some protein sequences, and
sometimes in plotting (strangely, this latter observation is more of a
problem in RedHat Linux 8).
While I am at it, I should note that the solution (so far) is to run the
program on my Linux (intel) system if the crash happens on the Mac, or to
run it on Mac/Darwin/X11 if the Linux crashes: so far, the crashes have not
yet duplicated!
If the problem resides strictly in the code (which I don't always have
access to), then Why does it work on Linux, but not on Darwin? I have more
recently hit the 'segmentation fault' in an Aria/CNS implementation, which
does rely on Python/Numeric. BTW, I have tried both Numeric & Numeric-Atlas,
with identical results.
Again, the question: What's a 'segmentation fault'? And is there a way
around it?
This happens to me enough that I suspect that some others are also seeing
these.
I'm on a G3 Powerbook (Firewire) with the latest Mac OS & 1 G of RAM. I live
on Fink Unstable-cvs packages.
Best!
d
--
David H. Peyton
Professor of Chemistry
Portland State University
Portland, OR 97207-0751
[EMAIL PROTECTED]
503 725-3875
503 725-9525 FAX
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