On Aug 9, 2012, at 11:41 AM, Jerry Krinock wrote:

> A user reported a non-reproducible crash in the heartbeat thread while my app 
> was showing an alert window with a progress indicator.  In list archives I've 
> read that this may be due to (a) a memory management bug in my code or (b) a 
> bug in Mac OS X.  Both of these seem unlikely since I've been shipping that 
> code for 5 years, and the bug in Mac OS X was back in 2004.
> 
> Any ideas?
> 
> Thread 3 Crashed:: com.apple.appkit-heartbeat
> 0   com.apple.CoreFoundation          0x94b28dfe CFStringCreateWithFormat + 46
> 1   com.apple.CoreFoundation          0x94b63b09 __CFAllocateObject2 + 89
> 2   com.apple.CoreFoundation          0x94c463e9 +[__NSArrayM __new:::::] + 73
> 3   com.apple.CoreFoundation          0x94b63a06 -[__NSPlaceholderArray 
> initWithCapacity:] + 134
> 4   com.apple.CoreFoundation          0x94b29286 CFArrayCreateMutable + 198
> 5   com.apple.AppKit                  0x91c2b0bb -[NSFocusState 
> addSpecialGStateView:] + 57

First, it would be helpful if you were to indicate which version of Mac OS X 
this was on.  Actually, there's a bunch of information in the crash log header 
that would be useful.

That said, looking at the disassembly of __CFAllocateObject2(), it seems to 
only call CFStringCreateWithFormat() with the following format string:

*** NSAllocateObject(): attempt to allocate object of class '%s' failed

No doubt CFStringCreateWithFormat() then failed because it, too, could not 
allocate memory.  I would say you've either smashed your heap so badly that 
malloc can't work or you really have exhausted your address space (4GB for an 
apparently 32-bit process).

Regards,
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:
https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com

This email sent to arch...@mail-archive.com

Reply via email to