Re: Mysterious crash report

2012-11-15 Thread Mike Abdullah
On 14 Nov 2012, at 22:10, Graham Cox graham@bigpond.com wrote: On 15/11/2012, at 8:59 AM, Nick Zitzmann n...@chronosnet.com wrote: Oh. I understand how that could happen with GC if the app tried to re-use a finalized object, but the only resurrections I've seen happen under RR or

Mysterious crash report

2012-11-14 Thread Graham Cox
Hi all, We got this crash report associated with our app, which has us scratching our heads. It does not seem to be reproducible, but what does it mean 'API MISUSE'? What sort of code in our app might be kicking off this thread? Code Type: X86-64 (Native) Parent Process: launchd [164]

Re: Mysterious crash report

2012-11-14 Thread Nick Zitzmann
On Nov 14, 2012, at 2:26 PM, Graham Cox graham@bigpond.com wrote: We got this crash report associated with our app, which has us scratching our heads. It does not seem to be reproducible, but what does it mean 'API MISUSE'? Does your app use RR, GC, or ARC memory management? Nick

Re: Mysterious crash report

2012-11-14 Thread Graham Cox
On 15/11/2012, at 8:52 AM, Nick Zitzmann n...@chronosnet.com wrote: On Nov 14, 2012, at 2:26 PM, Graham Cox graham@bigpond.com wrote: We got this crash report associated with our app, which has us scratching our heads. It does not seem to be reproducible, but what does it mean 'API

Re: Mysterious crash report

2012-11-14 Thread Graham Cox
On 15/11/2012, at 8:59 AM, Nick Zitzmann n...@chronosnet.com wrote: Oh. I understand how that could happen with GC if the app tried to re-use a finalized object, but the only resurrections I've seen happen under RR or ARC were zombies… Sorry. Well, the crash is actually from libdispatch,

Re: Mysterious crash report

2012-11-14 Thread Dave Keck
Apparently this occurred when cancelling a document save, though it might have nothing directly to do with that. At the time of the crash, NSToolbar was doing something on the main thread... Since it was during document save and there's mention of XPC in the stack trace, I suspect the crash