On Jan 22, 2007, at 9:12 AM, Joel Gwynn wrote:
Is DEBUG_USER_LOGIC shorthand for something?
No.
You just have to make your own (USER_LOGIC) debugging lines, to try
and figure out where you're segfaulting.
The other option is this:
http://search.cpan.org/~pgollucci/mod_perl-2.0.3/docs/devel/debug/
c.pod#Analyzing_Dumped_Core_Files
Which can preclude you from rapidly addressing the problem.
normally I have from 2-20 debug flags and each one has multiple
levels. if there's ever an issue with a piece of code or a segfault,
i can figure out what it is in a few requests with everything turned
on, then bump up the level on the problematic functions.
If you're using any CPAN modules, chances are they have some debug
flags in there that might be able to help. the only time i've
segfaulted has been with bad calls to the mp API , dbi drivers that
weren't compiled right, and bad cookies in earlier verisons of apreq.
If you have a trivial amount of debug code for your own application
though, you can usually track down the cause of most problems in a
matter of minutes.
// Jonathan Vanasco
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