Re: libgmalloc bug

5 Mar 2007

      Thank you for everyone's help. Looks like a confirmed bug, and only on 
the Pros. Now to figure out what to do with it.

-- Sal
smile.

--------------
  Salvatore Domenick Desiano
    Doctoral Candidate
      Robotics Institute
        Carnegie Mellon University

On Mon, 5 Mar 2007, Salvatore Domenick Desiano wrote:

o Excellent. Thank you.
o 
o -- Sal
o smile.
o 
o 
o --------------
o   Salvatore Domenick Desiano
o     Doctoral Candidate
o       Robotics Institute
o         Carnegie Mellon University
o 
o On Mon, 5 Mar 2007, David MacMahon wrote:
o 
o o FWIW, my MacBook Pro gets a segfault running your test program with
o o DYLD_INSERT_LIBRARIES=/usr/lib/libgmalloc.dylib in the environment, too.
o o 
o o Dave
o o 
o o On Mar 5, 2007, at 12:24 , Salvatore Domenick Desiano wrote:
o o 
o o > I'm not sure if this is a libgmalloc bug, a gcc bug, or a iostream bug, but
o o > I just spent 20 hours boiling a crash in opencv down to ten lines of code.
o o > Can somebody else on a MacBook Pro run the following and see if they get a
o o > seg fault? Input from a PPC based processor also welcome.
o o > 
o o > If this is a problem, I'm not even sure how to go back and fix the OpenCV
o o > port, but if it's not, but at least I'll know I'm working on a real problem.
o o > 
o o > So frustrating!
o o > 
o o > Thanks!
o o > 
o o > -- Sal
o o > smile.
o o > 
o o > 
o o > cat > bug.cpp
o o > #include <iostream>
o o > 
o o > void test  ()
o o > {
o o >  for(unsigned i = 1; i < 3; ++i )
o o >  {
o o >    std::cout << "HELLO";
o o >  }
o o > }
o o > 
o o > int main (int argn, char * argv)
o o > {
o o >  test();
o o >  return 0;
o o > }
o o > ^D
o o > g++  -Wall -fomit-frame-pointer -O1 -o bug bug.cpp
o o > setenv DYLD_INSERT_LIBRARIES /usr/lib/libgmalloc.dylib
o o > ./bug
o o > 
o o > 
o o > 
o o > --------------
o o >  Salvatore Domenick Desiano
o o >    Doctoral Candidate
o o >      Robotics Institute
o o >        Carnegie Mellon University
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