Re: Mysterious crash report
Re: Mysterious crash report
- Subject: Re: Mysterious crash report
- From: Mike Abdullah <email@hidden>
- Date: Thu, 15 Nov 2012 10:13:38 +0000
On 14 Nov 2012, at 22:10, Graham Cox <email@hidden> wrote:
>
> On 15/11/2012, at 8:59 AM, Nick Zitzmann <email@hidden> 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, so who knows what it's using?
>
> Our app actually only makes fairly light use of threads, and does not do any communication over the network, etc, except as might be done behind the scenes by standard classes. 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...
>
> That's the problem with this - even if I fully understood what it meant (I don't) then it's not clear that the issue is in any way fixable in our app's code.
I believe the Versions system uses XPC internally. Does your app support Versions?
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