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Questions tagged [sos]

SOS is a debugger extension that allows a developer to inspect the managed state of a .NET Core and desktop runtime process. SOS can be loaded by WinDbg/cdb debuggers on Windows and lldb on Linux and macOS.

SOS (Son of Strike) is a debugger extension that allows a developer to inspect the managed state of a .NET Core and desktop runtime process. SOS can be loaded by WinDbg/cdb debuggers on Windows and lldb on Linux and macOS.

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Check variable provided by form input to see if it exists in an array. What am I missing?

Not really sure what I have missed, but I would appreciate some help. I never get a true calculation. function isValid(){ var zipCode = $("input[name='zipCode']").val(); var zipCodeRedRiverHonda = [ 11, 22, 33, 44 ]; var…
chadbear
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how to see my managed objects on the stack?

I use SOS.dll in VisualStudio to debug my C# program. The program is as below. The debug command is !DumpStackObjects. class Program { static void Main() { Int32 result = f(1); } static Int32 f(Int32 i) { Int32 j…
smwikipedia
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Number of GC perfomred for various generations from a dump file

Is there anyway to get information about how many Garbage collection been performed for different generations from a dump file. When I try to run some psscor4 commands I get following. 0:003> !GCUsage The garbage collector data structures are not in…
whoami
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Making sense of !address -summary for managed allocations

I am trying to understand how !address -summary report managed allocations. I have following code to try to test it out. I basically change the size of array and then attach windbg to inspect results for !address -summary static void Main(string[]…
crazy novice
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In Windbg how to get the whole content from !do Command

I'm currently working in a memory issue on a .NET application, I'm debugging the Issue using Windbg I have come across to what the memory issue is, but during the investigation !do command is getting me the object which has a content that is…
Bongo Sharp
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How to use WinDbg SOS extension to debug a process with 2 .NET runtimes?

I'm debugging a process with .NET 2 and Silverlight 5.1 runtime at the same time using WinDbg SOS. Get the following error if I run any SOS command: Failed to load data access DLL, 0x80004005 Verify that 1) you have a recent build of the debugger…
ken
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Debug Diagnostic not generating dumps on Crash

I have configured DebugDiag to monitor all app pools for crashes. One of our App pool stopped today but DD did not generate any dump files. Event Viewer shows the error: Application Poole is being automatically disabled due to a series of failures…
Chints
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Where can I find .net 4.0 SOS.dll?

I'm looking for the SOS.dll for .net 4.0. I have 4.5 installed so my SOS.dll is not valid for the 4.0 builds we create. Is there somewhere I can find the old version of this file?
playerone
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Debugging 32 bit application running in 64 bit environment

I have a 32 bit .Net 4.0 application running in a wow64 environment in a 64 bit machine. The application encountered an error and I took a dump with 32 bit taskmanager present in C:\Windows\SysWOW64\taskmgr.exe I am using a 32 bit Windebugger to…
Rockstart
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How do I evaluate dependency properties in silverlight/WPF from S.O.S.?

This question is fairly straightforward -- I am trying to debug a memory leak in a silverlight application using s.o.s. I was able to get some good info using !gcroot to determine what objects have open references to the one that should be getting…
David Hay
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Can I see what is referencing an object while debugging?

Is it possible, while debugging a Silverlight app, to view all current references to an object? I know that WPF developers have the ability to use the SOS.dll, but that cannot be loaded in the VS2008 IDE while debugging a Silverlight app. I've…
Andrew Garrison
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Unable to debug Win 8 app using Mixed (Managed and Native) debugger

In a WinRT app when switching the debugger type to mixed (from managed), the application fails to start.. pausing the debugger shows execution is at: static void Main(string[] args) { global::Windows.UI.Xaml.Application.Start((p) => new…
user1694394
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.net memory usage reporting difference between task manager and windbg/sos

I have a .net application. In task manager it showing 249 MB usage in Memory (private working set) column. Then I attach windb and ran !address –summary command. Below is its result. The memory usage its showing in .NET heap(RegionUsageIsVAD) is…
crazy novice
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How to walk a native object in WinDbg?

I am investigating what is taking up lots of memory in my app. Using the !DumpObj command, I can get around the managed objects. But how do I do the equivalent for native objects? For example, this .NET object has a pointer to native code. I am…
noctonura
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How to closely recreate SOS.dll functionality in C# managed code? How does SOS.dll ObjSize and DumpObject work under the hood?

I have done a lot of research on this topic and am still stumped. I've previously asked this question to stackOverflow and recieved a less than satisfactory response. This leads me to believe that this is a rather advanced topic needing a strong…
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