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Kristian Bendiksen
8209bd3ecf
The GUI thread deadlocked on a non-recursive QMutex during OSDU well import. The download-completion slots and DataLoadController::onTaskFinished held a mutex while triggering progress updates, which call QApplication::processEvents(). That re-enters the event loop and dispatches another queued parquet-download-complete event for a different well, whose handler then blocks trying to lock the same mutex. Release the mutex before emitting taskDone in the OSDU well path and well log data loaders, and before calling incrementProgress() in onTaskFinished. The map access that the mutex protects stays inside the locked scope; the captured ProgressInfo outlives the call (kept alive by blockUntilDone) and incrementProgress() is thread-safe via self-marshaling to the GUI thread. Fixes #14230.