On Mar 22, 2013, at 10:32 AM, Jens Alfke <j...@mooseyard.com> wrote: > On Mar 21, 2013, at 8:47 AM, Peng Gu <pan...@gmail.com> wrote: > >> 4. I click the button again, then the app hangs for about 10 seconds and >> the xcode throws EXC_BAD_ACCESS(code=2, address=0x7fff5f3ffff8), the caller >> is 0_CFArrayReplaceValues >> *The app doesn't die, it just doesn't respond.* > > The app has crashed and is suspended so that the Xcode debugger can examine > it. At this point you should use the debugger UI in Xcode to look at the > stack. > > From the pause, this sounds a lot like an infinite-regress, i.e. functions > calling each other in an endless cycle. This will run for a while before it > overflows the stack space and crashes, and then Xcode’s debugger will take a > while to read the huge list of stack frames out of the process.
Also strongly suggesting this is that the the trapping address is (1) a stack address and (2) clearly right under a page boundary (the stack grows downwards). John. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
