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SetFinalSizeMaxDiscrepancy getting stuck in an infinite loop in .NET 4.7.1
I’ve received several dump files from my customers where the top of the call stack is in either in SetFinalSizeMaxDiscrepancy, or a function that SetFinalSizeMaxDiscrepancy is calling. It appears that it is stuck in the for(bool runPhase2and3=true; runPhase2and3;) loop. I can’t step through the code, so tracing down why it is stuck is very difficult.
I created a thread on this topic in the MSDN Forum and Franklin Chen replied with:
"We notice that the Telemetry Bug Tracker has filed a Busy Hang failure in PresentationFramework.dll recently, if we can get the dump file you mentioned, it will be helpful to locate this root cause."
It is hard to re-create the hang, but I have plenty of dump files to provide as examples.
Thanks
Dan
Similar bug: WPF Resizing a Grid still hangs
https://developercommunity.visualstudio.com/content/problem/293898/wpf-resizing-a-grid-still-hangs.html
Also getting dump files with SetFinalSizeMaxDiscrepancy at the top of the stack. Can also provide dump file.
Adding the following to the app .config file fixed it for us:<AppContextSwitchOverridesvalue="Switch.System.Windows.Controls.Grid.StarDefinitionsCanExceedAvailableSpace=true"/>
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