[chuck-users] Debugging Segmentation fault: 11

Gonzalo gonzalo at dense13.com
Tue Jan 27 15:53:59 EST 2015


Never used gdb before, I'll read about this, but any pointers on how to 
get started?


On 28/01/2015 7:39 am, Joel Matthys wrote:
> It's hard to debug segfaults in the ChucK code itself. running gdb chuck
> might help narrow down the problem.
>
> Joel
>
> On 01/27/2015 02:31 PM, Gonzalo wrote:
>> Hi,
>>
>> On a project I'm working on, I sometimes get a "Segmentation fault:
>> 11" error, and the program crashes. But I can't figure out when it
>> happens, and cannot reproduce it. It's a big project, with many
>> components communicating via events, and I have no idea who's
>> triggering the problem. My question is how would you go about
>> debugging this? Any ideas what can be triggering it? It sounds very
>> generic...
>>
>> Probably unrelated, but just in case, I also got this (only once so far):
>>
>> chuck(22226,0x7fff790ee310) malloc: *** error for object 0x1028f3408:
>> incorrect checksum for freed object - object was probably modified
>> after being freed.
>> *** set a breakpoint in malloc_error_break to debug
>> Abort trap: 6
>>
>> Thanks!
>> Gonzalo
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>
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