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Debugging memory smashers with GC

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Debugging memory smashers with GC

Subject: Debugging memory smashers with GC
From: Rob Keniger <email@hidden>
Date: Tue, 23 Dec 2008 10:19:36 +1000

Hi,

My app is using garbage collection and I'm running into a memory smasher bug where the app will crash at seemingly random times, with an EXE_BAD_ACCESS.

Obviously there is some reference to an object that is being released when I don't want it to be but I'm having a lot of trouble tracking it down as it is quite intermittent, so every time I fire up Instruments the crash never seems to occur.

I've tried using the MallocStackLoggingNoCompact environment variable with malloc_history but my results have been inconclusive at best.

What is the best way to go about looking for this type of bug with Garbage Collection enabled?

--
Rob Keniger

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