[Baypiggies] Another newbie question... debuggers

K. Richard Pixley rich at noir.com
Sun Mar 7 23:49:18 CET 2010

Keith Dart wrote:
> Also, I'm curious about what problems could not be debugged with pdb?
Previous problem was a python core dump.  I got it narrowed down to a 
call into pyyaml, but the pyyaml people claim it's not theirs.  I 
haven't taken the time to debug it further.  I coded around it instead.

Current problem I don't yet know.  I can usually get it to a particular 
place in the code and then pdb ceases to be responsive.  Coding around 
this one is more problematic since I don't really know what the problem 
is yet.  Outside of pdb, the code simply appears to hang.  Just this 
minute, it looks like a timing issue in twisted since strace says the 
hang is on "select" with only 1 descriptor, (I'm expecting several), but 
I'll likely have a different answer an hour from now.


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