October 5, 2011 by CharlyBr | iOS Debugging EXC_BAD_ACCESS A helpful article explaining how to use gdb to debug EXC_BAD_ACCESS: EXC_BAD_ACCESS and no stack trace == more quality time lost in Xcode Also, if you don’t know about NSZombieEnabled you should read the following articles: What is NSZombieEnabled? How do I set NSZombieEnabled in Xcode 4?