SIGSEGV crash while running/debugging #1157
Comments
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Video of the crash here: https://youtu.be/p7yGBLKRmf0 |
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I suspect that the Visual Studio Output window may be filtering the output; in particular, the output you provided is all coming from PID 8806 and/or stdout/stderr of the application. Could you please run the following before launching the app within a command-line console ( This will continue running. While it's running, debug your app as you did before, and after the crash you can return to the console and hit Ctrl+C. Then, please attach |
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Hi Jon, here it is, thanks. |
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On the plus side, we get some additional output: That's unfortunately a very short backtrace: just one stack frame. I also find the |
Could you please send a link to it to [email protected]? |
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Hi Jon, just sent. I'll see if I can track that tombstone file down. I don't use dropbox so I wonder who's dropbox that is. |
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Ok, I think I found the problem.. it was in my code. The crash dump here was confusing me. I have an stack overflow happening on that property. I did a refactoring that created a property that returned itself. It crashes the debugger which probably isn't good but I have solved it. You can decide if this is the right behavior for when a programmer makes an error, but I'm good to go. Sorry for not finding this sooner! The hard crash caused me to go into a different direction on this. In case you want to try, the .State property of that EntryTimer object returns itself. Opening that prop in the debugger or referencing it with code causes this hard crash. |
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Moved to: mono/mono#6405 |
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thaaaaanks @andrejpk. I was having the exact same problem... |
Changes: xamarin/monodroid@ad19471...bafd139 * xamarin/monodroid@bafd13939: [tools/msbuild] Fix DateTimeOffset error (#1158) * xamarin/monodroid@b355593ab: [tools/msbuild] Use millisecond resoluton for Fast Deployment (#1157) * xamarin/monodroid@34ae2a311: [tools/msbuild] add %(TargetPath) metadata for <FastDeploy/> (#1156) * xamarin/monodroid@d9fcaa019: [tools/msbuild] Fix Time resoluton for Fast Deployment (#1154) * xamarin/monodroid@390c048ca: [msbuild] Use `$(LZ4PackageVersion)` (#1153)
Changes: xamarin/monodroid@bc5b96b...5918966 * xamarin/monodroid@5918966a3: [tools/msbuild] Fix DateTimeOffset error (#1158) * xamarin/monodroid@d36b8bc32: [tools/msbuild] Use millisecond resoluton for Fast Deployment (#1157)
ghost
locked as resolved and limited conversation to collaborators
Steps to Reproduce
I can share a repro project but would need to do some cleanup. I'm attaching the stack trace here. I can share a ZIP of the current project internally at MSFT (this is a personal project so not in a MSFT repo).
The crash happens in a few different ways but with the same result. I have a class in a form and if that class is accessed in an event from a UI element (in this case a Picker) or if I inspect that object in the debugger, I get this SIGSEGV crash.
Expected Behavior
Normal debugging and execution.. I'm not doing anything strange here so it's hard to describe this in more detail.
Actual Behavior
Version Information
Microsoft Visual Studio Enterprise 2017
Version 15.5.2
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Log File
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