I fixed the crash. I had to use GuardMalloc. Thanks all for the suggestions.
-Arun On Sat, Mar 27, 2010 at 5:40 PM, Ken Thomases <k...@codeweavers.com> wrote: > On Mar 27, 2010, at 7:00 AM, Ken Thomases wrote: > > > On Mar 27, 2010, at 6:29 AM, Arun wrote: > > > >> My application is crashing sometimes with the following crash log. It > has no > >> traces of my code. Can anyone look into the crash log suggest some > ideas? > > > > Probably a memory management bug. You are over-releasing or > under-retaining something. An NSImage, from the looks of things. > > > > > http://www.sealiesoftware.com/blog/archive/2008/09/22/objc_explain_So_you_crashed_in_objc_msgSend.html > > And beyond the advice at the link, I should have said to use the Zombie > instrument or, the manual way, set NSZombieEnabled=YES and > MallocStackLoggingNoCompact=YES, set a breakpoint in -[_NSZombie > methodSignatureForSelector:], then when the debugger stops on that > breakpoint, use "info malloc-history" command to figure out where the zombie > was originally allocated. > > > http://www.friday.com/bbum/2010/01/10/using-malloc-to-debug-memory-misuse-in-cocoa/ > http://developer.apple.com/mac/library/technotes/tn2004/tn2124.html > > Also, use Xcode's Build and Analyze feature to see if the static analyzer > can identify your memory management bugs. > > Cheers, > Ken > > _______________________________________________ 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: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
