Thursday, January 14, 2010

Debugging a segmentation fault on Linux

Several of our key softwares run on the opportunity Linux cluster at Northeastern. We have built a state-of-the-art facility for electromagnetic computation. One software that we recently installed gave us a segmentation fault.

It's been a while since I haven't done any troubleshooting in Linux. Well, I used to be the maintainer of the fedora YUM repository for Enlightenment E17 desktop shell, before passing it on to Prof. Gregory Kriehn.

I asked the administrator to install gdb and ran a backtrace. That gave me some useful debugging information to feedback to the software company.

Moral of the story: Use the force, use Linux!

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