Sure enough, it is a slightly different issue. It is definitely reproducible
and only happens when the app is launched from MonoDevelop. Here’s my crash
dump, the basic error is…
Debug info from gdb:
/tmp/mono-gdb-commands.bVNpHZ:1: Error in sourced command file:
unable to debug self
Error connecting stdout and stderr (127.0.0.1:10001)
Stacktrace:
at (wrapper managed-to-native)
MonoTouch.ObjCRuntime.Messaging.intptr_objc_msgSend (intptr,intptr) <IL
0x00026, 0xffffffff>
at MonoTouch.ObjCRuntime.Runtime.GetNSObject (intptr) [0x0001f] in
/Developer/MonoTouch/Source/monotouch/monotouch/ObjCRuntime/Runtime.cs:210
at MonoTouch.UIKit.UITextField.get_WeakDelegate () [0x0000b] in
/Developer/MonoTouch/Source/monotouch/monotouch/UIKit/UITextField.g.cs:449
at MonoTouch.UIKit.UITextField.EnsureUITextFieldDelegate () [0x00000] in
/Developer/MonoTouch/Source/monotouch/monotouch/UIKit/UITextField.g.cs:872
at MonoTouch.UIKit.UITextField.set_ShouldReturn
(MonoTouch.UIKit.UITextFieldCondition) [0x00000] in
/Developer/MonoTouch/Source/monotouch/monotouch/UIKit/UITextField.g.cs:976
at MyAplication.BasicViewController/DataSource.GetCell
(MonoTouch.UIKit.UITableView,MonoTouch.Foundation.NSIndexPath) [0x00119] in
/Users/derik/Desktop/Testing/Test/SIGSEGV/BasicViewController.xib.cs:150
at (wrapper runtime-invoke)
<Module>.runtime_invoke_object__this___object_object
(object,intptr,intptr,intptr) <IL 0x0005c, 0xffffffff>
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
/Developer/MonoTouch/Source/monotouch/monotouch/UIKit/UIApplication.cs:26
at MonoTouch.UIKit.UIApplication.Main (string[]) [0x00000] in
/Developer/MonoTouch/Source/monotouch/monotouch/UIKit/UIApplication.cs:31
at MyAplication.Application.Main (string[]) [0x00000] in
/Users/derik/Desktop/Testing/Test/SIGSEGV/Main.cs:14
at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object
(object,intptr,intptr,intptr) <IL 0x00050, 0xffffffff>
Native stacktrace:
0 MyAplication 0x000d0db8
mono_handle_native_sigsegv + 343
1 MyAplication 0x0000f6ac
mono_sigsegv_signal_handler + 322
2 libSystem.B.dylib 0x9623f05b _sigtramp +
43
3 ??? 0xffffffff 0x0 +
4294967295
4 ??? 0x09ea17f6 0x0 +
166336502
5 ??? 0x09eafd74 0x0 +
166395252
6 ??? 0x09eafc98 0x0 +
166395032
7 ??? 0x09eafc62 0x0 +
166394978
8 ??? 0x09eae8e4 0x0 +
166389988
9 ??? 0x09ea77e8 0x0 +
166361064
10 MyAplication 0x0000f467
mono_jit_runtime_invoke + 1332
11 MyAplication 0x001ed229
mono_runtime_invoke + 137
12 MyAplication 0x0029d933
monotouch_trampoline + 2527
13 UIKit 0x01d49b98
-[UITableView(UITableViewInternal)
_createPreparedCellForGlobalRow:withIndexPath:] + 634
14 UIKit 0x01d3f4cc
-[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:] + 75
15 UIKit 0x01d548cc
-[UITableView(_UITableViewPrivate) _updateVisibleCellsNow:] + 1561
16 UIKit 0x01d4c90c
-[UITableView layoutSubviews] + 242
17 QuartzCore 0x031b1a5a -[CALayer
layoutSublayers] + 181
18 QuartzCore 0x031b3ddc
CALayerLayoutIfNeeded + 220
19 QuartzCore 0x031590b4
_ZN2CA7Context18commit_transactionEPNS_11TransactionE + 310
20 QuartzCore 0x0315a294
_ZN2CA11Transaction6commitEv + 292
21 QuartzCore 0x0315a46d
_ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 99
22 CoreFoundation 0x00ea289b
__CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 27
23 CoreFoundation 0x00e376e7
__CFRunLoopDoObservers + 295
24 CoreFoundation 0x00e001d7
__CFRunLoopRun + 1575
25 CoreFoundation 0x00dff840
CFRunLoopRunSpecific + 208
26 CoreFoundation 0x00dff761
CFRunLoopRunInMode + 97
27 GraphicsServices 0x0404e1c4
GSEventRunModal + 217
28 GraphicsServices 0x0404e289 GSEventRun +
115
29 UIKit 0x01ce2c93
UIApplicationMain + 1160
30 ??? 0x09ea09ec 0x0 +
166332908
31 ??? 0x09ea0922 0x0 +
166332706
32 ??? 0x09ea0286 0x0 +
166331014
33 ??? 0x09ea01d2 0x0 +
166330834
34 ??? 0x09ea025d 0x0 +
166330973
35 MyAplication 0x0000f467
mono_jit_runtime_invoke + 1332
36 MyAplication 0x001ed229
mono_runtime_invoke + 137
37 MyAplication 0x001ef910
mono_runtime_exec_main + 669
38 MyAplication 0x001eecfa
mono_runtime_run_main + 843
39 MyAplication 0x000a2ff3
mono_jit_exec + 200
40 MyAplication 0x002a1651 main + 4060
41 MyAplication 0x00002779 _start + 208
42 MyAplication 0x000026a8 start + 40
Debug info from gdb:
/tmp/mono-gdb-commands.bVNpHZ: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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