test_download_manager.js fails when running against Thunderbird: >>>>>>> *** Throwing trying to get CurProcD *** Throwing trying to get MozBinD *** test pending WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111: file /Users/moztest/mozilla/hg/mozilla/toolkit/components/downloads/src/nsDownloadManager.cpp, line 1478 *** DOWNLOAD MANAGER TEST - test_connection *** DOWNLOAD MANAGER TEST - test_count_empty_queue *** DOWNLOAD MANAGER TEST - test_canCleanUp_empty_queue *** DOWNLOAD MANAGER TEST - test_pauseDownload_empty_queue *** DOWNLOAD MANAGER TEST - test_resumeDownload_empty_queue *** DOWNLOAD MANAGER TEST - Testing normal download adding WARNING: NS_ENSURE_TRUE(docShellTreeItem) failed: file /Users/moztest/mozilla/hg/mozilla/mailnews/base/src/nsMsgContentPolicy.cpp, line 632 *** Throwing trying to get cachePDir *** Throwing trying to get ProfLD *** DOWNLOAD MANAGER TEST - Testing download cancel WARNING: NS_ENSURE_TRUE(docShellTreeItem) failed: file /Users/moztest/mozilla/hg/mozilla/mailnews/base/src/nsMsgContentPolicy.cpp, line 632 *** test pending *** test finished *** test finished *** exiting *** PASS *** ###!!! ASSERTION: ### mem cache leaking entries? I'm filing this to get it tracked. Not sure if this is a core or a Thunderbird specific problem yet. Will post more info when I have it.

This doesn't happen in release mode.

(In reply to comment #1) > This doesn't happen in release mode. > And based on the assertion, I'm duping to bug 431139.