Bug 32488 - call stack corrupted
Summary: call stack corrupted
Alias: None
Product: Android
Classification: Xamarin
Component: Mono runtime / AOT Compiler ()
Version: 5.1
Hardware: Macintosh Mac OS
: Normal normal
Target Milestone: ---
Assignee: João Matos
Depends on:
Reported: 2015-07-27 14:16 UTC by renan jegouzo
Modified: 2015-12-15 08:20 UTC (History)
2 users (show)

Is this bug a regression?: ---
Last known good build:

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Description renan jegouzo 2015-07-27 14:16:02 UTC
I have a call stack corruption on Android:


if I trace the code since Home.cs:109

all call are valid until:
at ../Users/renanyoy/git/aestesis-mono/alibs/Alib/Bitmap.cs:750

public Bitmap(Viewport viewport, string assetName) : this()
  _texture = new Texture2D(viewport, assetName);

the Texture2D constructor is not called, it jump on another function, in Texture2D
at Aestesis.Alib.Texture2D..ctor (Aestesis.Alib.Viewport,string) [0x0000d] in /Users/renanyoy/git/aestesis-mono/alibs/Alib/Texture2D.cs:1770

1767:	public void SaveAsJpeg (Stream stream)
1768:	{
1769:     this.SaveAsJpeg (stream, 0.95f);
1770:   }

Xamarin Studio
Version 5.9.4 (build 5)
Installation UUID: 2a46676f-5eb8-4569-9aa7-630cd15bdfc2
	Mono 4.0.2 ((detached/c99aa0c)
	GTK+ 2.24.23 (Raleigh theme)

	Package version: 400020005

Apple Developer Tools
Xcode 6.4 (7720)
Build 6E35b

Version: (Business Edition)
Android SDK: /Users/renanyoy/android sdk
	Supported Android versions:
		4.0.3  (API level 15)
		4.1    (API level 16)
		4.2    (API level 17)
		4.3    (API level 18)
		4.4    (API level 19)
		4.4.87 (API level 20)
		5.0    (API level 21)
Java SDK: /usr
java version "1.8.0_25"
Java(TM) SE Runtime Environment (build 1.8.0_25-b17)
Java HotSpot(TM) 64-Bit Server VM (build 25.25-b02, mixed mode)

Xamarin Android Player
Not Installed

Build Information
Release ID: 509040005
Git revision: 8010a90f6e246b32364e3fb46ef2c9d1be9c9a2b
Build date: 2015-06-08 16:52:06-04
Xamarin addins: 7e93e9c3503f28770f23ce1b7eafd829919f18e8

Operating System
Mac OS X 10.10.4
Darwin macbook.home 14.4.0 Darwin Kernel Version 14.4.0
    Thu May 28 11:35:04 PDT 2015
    root:xnu-2782.30.5~1/RELEASE_X86_64 x86_64
Comment 1 Jonathan Pryor 2015-07-27 21:26:08 UTC
Could you please provide a complete repro? I suspect that this is a C# compiler and/or debugger bug; a complete sample would help narrow down the actual location.
Comment 2 renan jegouzo 2015-07-29 16:16:26 UTC
I don't have any idea on how making a repro.. it's on an old project that builds on many platforms. I didn't compile it on android since some time.
the project still working on other platforms..

are you interested by some logs  ?
Comment 3 renan jegouzo 2015-07-30 05:30:49 UTC
the only direction I can see it's there are an app and a DLL in the call stack, and all the app call stack is OK, the entry point into the DLL is OK too, but after inside the DLL, the call stack suxx
Comment 4 Radek Doulik 2015-08-05 10:21:25 UTC
Would it be possible for you to share the failing app project or stripped down version, which still reproduces the issue?
Comment 5 Radek Doulik 2015-08-08 14:03:23 UTC
@joao: I will be 2 weeks on FTO so reassigning to you meanwhile as it might be runtime issue. I guess without repro project we cannot do anything, but maybe it rings a bell?
Comment 6 renan jegouzo 2015-08-13 05:17:35 UTC
fixed with last stable update: 

Version: (Business Edition)
Comment 7 renan jegouzo 2015-12-15 08:20:58 UTC