Hi, On Fri, Sep 7, 2012 at 7:57 AM, Liam <[email protected]> wrote:
> Hi Rolf, Sebastien > > Thank you for your answers. > > I have downloaded MonoTouch 5.4 and I have caught the cases where I was > doing this. > > My only question with this is do you know why I could not reproduce these > crashes? Is this problem something that should normally crash every time or > is there something else that has caused the app to crash because of this? > It was probably hard to reproduce because it only happens when a thread exits, and if you were using the threadpool then you wouldn't have any control over when those threads exited (it could happen anytime or not at all). Rolf > > Thanks > Liam > > > On 07/09/12 12:51, Sebastien Pouliot wrote: > >> Hello Liam, >> >> On Thu, Sep 6, 2012 at 7:53 PM, Liam Houlahan<[email protected]> >> wrote: >> >>> Hi Everyone >>> >>> I have submitted an app to the appstore and it has been rejected because >>> it >>> crashes. >>> >>> The description of when the app crashes by apple is vague and I cannot >>> reproduce the crash. >>> >>> I have uploaded the symbolicated crash logs too google docs hoping that >>> you >>> guys may be able to make out what is going on? >>> >>> Here is the link >>> https://docs.google.com/folder/d/0B5ghoqfnILgZOWlqRFRQUUxYZlE/edit >>> >>> The problem with the crash logs is that there is not a reference to any >>> of >>> my code in the thread which crashed. I have not seen this before. >>> Normally >>> when my apps have crashed the crash log will show under the thread that >>> crashed a reference to some lines of code which are written by me. It >>> looks >>> to me that the crash is occurring in mono but I cannot be sure of this. >>> >> From a quick look at your first file it seems your application is >> crashing on thread #12... >> >> Crashed Thread: 12 >>> >> ... while reloading a UITableView. >> >> Thread 12 Crashed: >> 0 libsystem_c.dylib 0x3221334a __abort + 138 >> 1 libsystem_c.dylib 0x322132ba abort + 122 >> 2 AppMonoTouch 0x00552ffe monoeg_g_logv (goutput.c:128) >> 3 AppMonoTouch 0x00553020 monoeg_assertion_message >> (goutput.c:152) >> 4 AppMonoTouch 0x004b0a96 mono_thread_abort >> (mini.c:2639) >> 5 AppMonoTouch 0x004b0b00 mono_thread_abort_dummy >> (mini.c:2716) >> 6 AppMonoTouch 0x004bfcd0 0x1000 + 4975824 >> 7 AppMonoTouch 0x004bfd9e mono_handle_exception >> (mini-exceptions.c:1828) >> 8 AppMonoTouch 0x004d57fe handle_signal_exception >> (exceptions-arm.c:532) >> 9 AppMonoTouch 0x004000f0 >> >> wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr >> (mscorlib.dll.7.s:159594) >> 10 AppMonoTouch 0x004000f0 >> >> wrapper_runtime_invoke_object_runtime_invoke_dynamic_intptr_intptr_intptr_intptr >> (mscorlib.dll.7.s:159594) >> 11 AppMonoTouch 0x004b2858 mono_jit_runtime_invoke >> (mini.c:5786) >> 12 AppMonoTouch 0x00522580 mono_runtime_invoke >> (object.c:2758) >> 13 AppMonoTouch 0x00562d00 monotouch_trampoline >> (monotouch-glue.m:808) >> 14 UIKit 0x3537568c -[UISectionRowData >> refreshWithSection:tableView:tableViewRowData:] + 1484 >> 15 UIKit 0x353769e6 -[UITableViewRowData >> numberOfRows] + 102 >> 16 UIKit 0x35376938 -[UITableView >> noteNumberOfRowsChanged] + 112 >> 17 UIKit 0x35376514 -[UITableView reloadData] + >> 724 >> 18 UIKit 0x353837d8 -[UITableView >> _reloadDataIfNeeded] + 60 >> 19 UIKit 0x353836a8 -[UITableView >> layoutSubviews] + 20 >> 20 UIKit 0x35327f0e -[UIView(CALayerDelegate) >> layoutSublayersOfLayer:] + 142 >> >> Now UIKit is *not* thread-safe and _must_ be used from the main thread... >> >> Thread 0 name: Dispatch queue: com.apple.main-thread >>> >> ... which is thread #0 (not #12). >> >> This is likely the is the root cause of your crash(es). You should try >> MonoTouch 5.4 since it will (by default, for Debug builds) warns you >> (throw exceptions) if you use UIKit outside the main thread. That >> makes it much easier to find those cases. >> >> Regards, >> Sebastien >> > _______________________________________________ > MonoTouch mailing list > [email protected] > http://lists.ximian.com/mailman/listinfo/monotouch >
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