[Coin-discuss] Problems with ipopt on OS X

[Stefan Vigerske]

Hi,

a debug build would be helpful.
Since you get this problem with two different builds of Ipopt, I would
presume that the bug is in your code.

Stefan

Geoff Leyland wrote:
> Hi,
> 
> I'm trying to write a binding from Rima to ipopt (all finished bar this problem I think) on OS X (10.6.5).  I've built ipopt from source, and I've used the binary that Kipp Martin has in OS, and both exhibit the same error:
> 
> lua(35669) malloc: *** error for object 0x1006296c0: pointer being freed was not allocated
> *** set a breakpoint in malloc_error_break to debug
> Abort trap
> 
> $ gdb lua
> ...
> (gdb) break malloc_error_break
> Breakpoint 1 at 0x20c49ba5d4f76d
> (gdb) run difftest.lua
> ...
> lua(35988) malloc: *** error for object 0x1006296c0: pointer being freed was not allocated
> *** set a breakpoint in malloc_error_break to debug
> 
> Breakpoint 1, 0x00007fff852e576d in malloc_error_break ()
> (gdb) bt
> #0  0x00007fff852e576d in malloc_error_break ()
> #1  0x00007fff8520f6e3 in free ()
> #2  0x00000001005ba6a5 in std::string::assign ()
> #3  0x00000001012cfdf0 in Ipopt::RegisteredOptions::AddStringOption1 ()
> 
> I tried a debug build but still didn't get any symbols, so at the moment I can't provide the line with the error (I could try harder for this).
> 
> I've had a look at AddStringOption1, but I can't see the problem.  Can anyone help?
> 
> 
> Cheers,
> Geoff 
> 
> 
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-- 
Stefan Vigerske
Humboldt University Berlin, Numerical Mathematics
http://www.math.hu-berlin.de/~stefan