Features/Firefox/Windows Plugin Hang UI/TestPlan

Windows Plugin Hang UI

Feature	Status	Lead engineer	QA Lead
Windows Plugin Hang UI	In Planning	Aaron Klotz	Manuela Muntean

Summary

• An UI presenting which plugin is unresponsive and allowing to kill it will be shown after each crash.
• Afterwards, plugins will be killed automatically after a longer timeout, between 45 and 60 seconds.
• This feature is available starting Firefox 19 Beta

• Screenshot of Plugin Hang UI

Reference

• Wiki page

Use Cases to Test

Test that the Plugin Hang UI dialog is displayed with:

• Flash plugin installed and used in several tabs/windows

Test Cases

• Test cases and test results can be seen in the Google Spreadsheet

Bugs

• bug 801806 - SecReview: Windows Plugin Hang UI - RESOLVED FIXED
• bug 805591 - Add UI to be shown when plugin is unresponsive - NEW
• bug 794690 - Add telemetry for plugin hang recovery - RESOLVED DUPLICATE
• bug 827330 - Windows build error in PluginHangUIParent.cpp - RESOLVED FIXED
• bug 818307 - Add flag to chromehang when user selects "Continue" in Plugin Hang UI - NEW
• bug 822051 - kill flash hangs on unsuspend - NEW
• bug 828034 - crash in mozilla::ipc::RPCChannel::EnteredCxxStack - NEW
• bug 829909 - crash in nsWindow::Enable @ UserCallWinProcCheckWow - NEW
• bug 830910 - slow script warning does not account for plugin hangs - NEW
• bug 833560 - Increase Plugin Hang UI threshold - NEW
• bug 834127 - Windows is intermittently not setting WS_VISIBLE on the Plugin Hang UI dialog - NEW