TransferOwnership crashes on standalone OSX only

Danjel

Hello, exactly as title says: in OSX and Windows editor everything goes fine, same for Windows standalone. But on OSX standalone the game always has a fatal crash after calling TransferOwnership. We are building our game with PUN 1.88, sticking with .NET 3.5, tried both in Unity 2017.0.3p1 and 2017.3.1p4.
This is the most I managed to get from logs:

System log
Thread 0 Crashed:: MainThrd Dispatch queue: com.apple.main-thread

0 ??? 0x00000001368c91ba 0 + 5210149306
1 ??? 0x00000001564188de 0 + 5742102750
2 ??? 0x0000000156418dbf 0 + 5742103999
3 libmono.0.dylib 0x000000011950a0c6 0x119500000 + 41158
4 libmono.0.dylib 0x0000000119636a06 mono_runtime_invoke + 117
5 libmono.0.dylib 0x000000011963c7ac mono_runtime_invoke_array + 946
6 libmono.0.dylib 0x00000001195fb0e7 0x119500000 + 1028327
7 ??? 0x0000000122d2e2d9 0 + 4879213273
8 ??? 0x000000012824789e 0 + 4968446110

Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000000000001 rcx: 0x00007ffeefbfb820 rdx: 0x000000010416bed8
rdi: 0x0000000000000000 rsi: 0x000000010414e878 rbp: 0x00007ffeefbfb1d0 rsp: 0x00007ffeefbfb160
r8: 0x00000001197afe58 r9: 0x000000000002dcad r10: 0x0000000104775b40 r11: 0x0000000102612d30
r12: 0x00000001515e7c08 r13: 0x000000010419b078 r14: 0x00000001518e0d20 r15: 0x00000001518e0d20
rip: 0x00000001368c91ba rfl: 0x0000000000000202 cr2: 0x0000000180fda3c4

Logical CPU: 0
Error Code: 0x020000b8
Trap Number: 133

Player log (last thing before crashing)
TransferOwnership() view 100 to: 1 Time: 796
0 StayinAlive 0x00000001009ce065 _Z13GetStacktracei + 85
1 StayinAlive 0x0000000100780447 _Z17DebugStringToFileRK21DebugStringToFileData + 391
2 StayinAlive 0x000000010077f7a1 _Z17DebugStringToFilePKciS0_i15LogMessageFlagsiiPFvRK11CppLogEntryE + 97
3 StayinAlive 0x00000001009d852b _Z35DebugLogHandler_CUSTOM_Internal_Log7LogTypeP10MonoStringP10MonoObject + 187
4 [Mono JITed code] (wrapper managed-to-native) UnityEngine.DebugLogHandler:Internal_Log (UnityEngine.LogType,string,UnityEngine.Object) {0x10434cea8} + 0x6c (0x150288e60 0x150288f50) [0x1183dbc80 - Unity Root Domain]
5 [Mono JITed code] (wrapper runtime-invoke) :runtime_invoke_void__this___object_PhotonMessageInfo (object,intptr,intptr,intptr) {0x102f9e8a8} + 0x138 (0x15f704810 0x15f704983) [0x1183dbc80 - Unity Root Domain]
6 libmonobdwgc-2.0.dylib 0x0000000117f0ea1c mono_jit_runtime_invoke + 2458
7 libmonobdwgc-2.0.dylib 0x00000001180d18f5 do_runtime_invoke + 88
8 libmonobdwgc-2.0.dylib 0x00000001180d49a7 mono_runtime_try_invoke_array + 1210
9 libmonobdwgc-2.0.dylib 0x00000001180484b5 ves_icall_InternalInvoke + 654
10 [Mono JITed code] (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (System.Reflection.MonoMethod,object,object[],System.Exception&) {0x104b5c918} + 0x74 (0x1501f24a0 0x1501f25c3) [0x1183dbc80 - Unity Root Domain]
11 [Mono JITed code] System.Reflection.MethodBase:Invoke (object,object[]) {0x113801700} + 0x2b (0x150846a00 0x150846a34) [0x1183dbc80 - Unity Root Domain]

(Filename: /Users/builduser/buildslave/unity/build/artifacts/generated/common/runtime/DebugBindings.gen.cpp Line: 51)

jeanfabre

Hi,

I confirm that everything works fine here. Can you try with the demo provided by Photon? there is a Transfert ownership demo dedicated to test this.

Bye,

Jean

Danjel

We just finished a more in-depth inspection of the code and the resulting error was due to a legit try/catch block that we had few lines after that TransferOwnership. I guess it's some kind of difference with the OSX compiler, will report this to Unity. Sorry for bothering!

jeanfabre

Hi,

no worries it's always better to ask around when you have an issue than try to solve it on your own.

Bye,

Jean