[Mono-bugs] [Bug 687697] New: Intermittent SIGNEV issue MonoTouch 4

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=687697

https://bugzilla.novell.com/show_bug.cgi?id=687697#c0


           Summary: Intermittent SIGNEV issue MonoTouch 4
    Classification: Mono
           Product: MonoTouch
           Version: unspecified
          Platform: Macintosh
        OS/Version: Apple iOS 4.3
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: Runtime
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: johan.otto at justenough.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


When manipulating the map in MapKit there is an intermittent issue whereby the
app crashes when tapping on . I would like to know what can cause this issue?


  at (wrapper managed-to-native)
MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr)
<IL 0x0009f, 0xffffffff>
  at MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x00038] in
/Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:26
  at MonoTouch.UIKit.UIApplication.Main (string[]) [0x00000] in
/Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:31
  at JustEnough.IPad.Application.Main (string[]) [0x00000] in
/Users/johanotto/Projects/JustCloud/IPad/Application/Main.cs:41
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object
(object,intptr,intptr,intptr) <IL 0x00050, 0xffffffff>

Native stacktrace:

    0   JustEnough                          0x000c61a8
mono_handle_native_sigsegv + 343
    1   JustEnough                          0x00010554
mono_sigsegv_signal_handler + 322
    2   libSystem.B.dylib                   0x9642e45b _sigtramp + 43
    3   ???                                 0xffffffff 0x0 + 4294967295
    4   UIKit                               0x00aa1799 -[UIControl
sendAction:to:forEvent:] + 67
    5   UIKit                               0x00aa3c2b -[UIControl(Internal)
_sendActionsForEvents:withEvent:] + 527
    6   UIKit                               0x00aa2a1c -[UIControl
touchesBegan:withEvent:] + 277
    7   UIKit                               0x00a35d41 -[UIWindow
_sendTouchesForEvent:] + 395
    8   UIKit                               0x00a16c37 -[UIApplication
sendEvent:] + 447
    9   UIKit                               0x00a1bf2e
_UIApplicationHandleEvent + 7576
    10  GraphicsServices                    0x024a8992 PurpleEventCallback +
1550
    11  CoreFoundation                      0x0141e944
__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 52
    12  CoreFoundation                      0x0137ecf7 __CFRunLoopDoSource1 +
215
    13  CoreFoundation                      0x0137bf83 __CFRunLoopRun + 979
    14  CoreFoundation                      0x0137b840 CFRunLoopRunSpecific +
208
    15  CoreFoundation                      0x0137b761 CFRunLoopRunInMode + 97
    16  GraphicsServices                    0x024a71c4 GSEventRunModal + 217
    17  GraphicsServices                    0x024a7289 GSEventRun + 115
    18  UIKit                               0x00a1fc93 UIApplicationMain + 1160
    19  ???                                 0x0744fd63 0x0 + 121961827
    20  ???                                 0x0744fb34 0x0 + 121961268
    21  ???                                 0x0744f814 0x0 + 121960468
    22  ???                                 0x0744f66c 0x0 + 121960044
    23  ???                                 0x0744f7be 0x0 + 121960382
    24  JustEnough                          0x0001030f mono_jit_runtime_invoke
+ 1332
    25  JustEnough                          0x001da06d mono_runtime_invoke +
137
    26  JustEnough                          0x001dc6cc mono_runtime_exec_main +
669
    27  JustEnough                          0x001dbada mono_runtime_run_main +
843
    28  JustEnough                          0x0009d2df mono_jit_exec + 200
    29  JustEnough                          0x00003bff main + 4155
    30  JustEnough                          0x000029a9 _start + 208
    31  JustEnough                          0x000028d8 start + 40

Debug info from gdb:

/tmp/mono-gdb-commands.EDZdBa:1: Error in sourced command file:
unable to debug self

=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================

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