Closed
Description
Description
When running some threaded code in a MAUI app (android in this case), the app may fail with the following error:
[nyname.UnoApp16] * Assertion at /__w/1/s/src/mono/mono/metadata/object.c:657, condition `lock->done' not met
runtime/src/mono/mono/metadata/object.c
Line 657 in cf34ef0
This happens when connecting in parallel to multiple websockets, see the StartConnection() in MainPage.xaml.cs.
Reproduction Steps
- Build the following app: 96872-threading-crash.zip
- Start the app with a debugger
Expected behavior
The app does not crash
Actual behavior
the app crashes immediately most of the time
Regression?
Yes, was working fine in 8.0.100.
Known Workarounds
Yes, don't execute any threaded code.
Configuration
dotnet --version
8.0.101
dotnet workload update --print-rollback
==workloadRollbackDefinitionJsonOutputStart==
{
"microsoft.net.sdk.android": "34.0.52/8.0.100",
"microsoft.net.sdk.ios": "17.0.8490/8.0.100",
"microsoft.net.sdk.maccatalyst": "17.0.8490/8.0.100",
"microsoft.net.sdk.macos": "14.0.8490/8.0.100",
"microsoft.net.sdk.maui": "8.0.3/8.0.100",
"microsoft.net.sdk.tvos": "17.0.8490/8.0.100",
"microsoft.net.workload.mono.toolchain.current": "8.0.1/8.0.100",
"microsoft.net.workload.emscripten.current": "8.0.1/8.0.100",
"microsoft.net.workload.emscripten.net6": "8.0.1/8.0.100",
"microsoft.net.workload.emscripten.net7": "8.0.1/8.0.100",
"microsoft.net.workload.mono.toolchain.net6": "8.0.1/8.0.100",
"microsoft.net.workload.mono.toolchain.net7": "8.0.1/8.0.100",
"microsoft.net.sdk.aspire": "8.0.0-preview.2.23619.3/8.0.100"
}
==workloadRollbackDefinitionJsonOutputEnd==
Other information
No response
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