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[debugger] Fix a step that becomes a go - #110484
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tommcdon
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Dec 6, 2024
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Co-authored-by: mikelle-rogers <45022607+mikelle-rogers@users.noreply.github.com>
thaystg
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Dec 9, 2024
MemberAuthor
The failure is not related with this PR: #110285 |
thaystg
commented
Dec 9, 2024
MemberAuthor
/backport to release/9.0-staging |
Contributor
Started backporting to release/9.0-staging: https://github.com/dotnet/runtime/actions/runs/12237655044 |
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hez2010 pushed a commit
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Dec 14, 2024
* Fixing step becomes a go * Trying to avoid step that becomes a go * Adding comments and more protections. * fixing comment * Checking if removing this comments, CI failures are gone. * Adding part of the changes to understand the failures on CI * Update src/coreclr/debug/ee/controller.cpp Co-authored-by: mikelle-rogers <45022607+mikelle-rogers@users.noreply.github.com> * Fixing wrong fix. --------- Co-authored-by: mikelle-rogers <45022607+mikelle-rogers@users.noreply.github.com>
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After some tests we were able to understand that when we are stepping and the single step is enabled we can get on TriggerSingleStep in a Native code and then disable the single stepping wrongly.
This is the call stack that we see when the error happens:
The goal of this PR is to avoid disabling the single step when we get in this scenario.
So we added two protections on ThreadSuspend to avoid an APC when we are single stepping. And we also added a protection on controller.cpp to avoid disabling single step in this scenario.
Fixes#109785
Fixes#109812
Fixes#109885