I generally browse with plugins disabled so I don't get (as) deluged with flashy ads. When I come to the rare site that I actually want to see something that uses a plugin -- such as a YouTube video or the like -- I turn on plugins, and then turn them off again as soon as I'm done with that page. WebKit is pretty much guaranteed to crash as soon as I turn off plugins. Cheers, b&
Can you please attach a crash log using the instructions at <http://webkit.org/quality/crashlogs.html>. I tried turning plugin support off and on and browsing to various Flash-heavy sites (including youtube) and couldn't crash after about 15 minutes.
Created attachment 21828 [details] Crash after turning off plugins after watching a YouTube video.
OK, I'm definitely seeing crashes now that I tinker a bit more though I don't have the same backtrace as the one attached. I can get it to crash reliably in mouseMoved code, but not in anything keyUp related. I will assume the two have the same root cause for now, but Ben please post what you're doing step-by-step so we can split this out if necessary. 1. Load <http://youtube.com/> 2. View a video and let it start playing 3. Open preferences and disable plugins 4. Close prefs window Thread 0 Crashed: 0 com.apple.WebKit 0x0019d74d -[WebBaseNetscapePluginView handleMouseMoved:] + 15 (WebBaseNetscapePluginView.mm:890) 1 com.apple.WebKit 0x001cfe9a NetscapePluginWidget::handleEvent(WebCore::Event*) + 128 (WebFrameLoaderClient.mm:1243) 2 com.apple.WebCore 0x02725e18 WebCore::HTMLPlugInElement::defaultEventHandler(WebCore::Event*) + 116 (HTMLPlugInElement.cpp:166) 3 com.apple.WebCore 0x0265f6ff WebCore::EventTarget::dispatchGenericEvent(WebCore::EventTargetNode*, WTF::PassRefPtr<WebCore::Event>, int&, bool) + 1867 (EventTarget.cpp:260) 4 com.apple.WebCore 0x0266018a WebCore::EventTargetNode::dispatchEvent(WTF::PassRefPtr<WebCore::Event>, int&, bool) + 364 (EventTargetNode.cpp:132) 5 com.apple.WebCore 0x02660d9a WebCore::EventTargetNode::dispatchMouseEvent(WebCore::AtomicString const&, int, int, int, int, int, int, bool, bool, bool, bool, bool, WebCore::Node*, WTF::PassRefPtr<WebCore::Event>) + 760 (EventTargetNode.cpp:306) 6 com.apple.WebCore 0x026615b3 WebCore::EventTargetNode::dispatchMouseEvent(WebCore::PlatformMouseEvent const&, WebCore::AtomicString const&, int, WebCore::Node*) + 497 (EventTargetNode.cpp:224) 7 com.apple.WebCore 0x02653b7f WebCore::EventHandler::updateMouseEventTargetNode(WebCore::Node*, WebCore::PlatformMouseEvent const&, bool) + 545 (EventHandler.cpp:1267) 8 com.apple.WebCore 0x026562b5 WebCore::EventHandler::dispatchMouseEvent(WebCore::AtomicString const&, WebCore::Node*, bool, int, WebCore::PlatformMouseEvent const&, bool) + 59 (EventHandler.cpp:1275) 9 com.apple.WebCore 0x02657303 WebCore::EventHandler::handleMouseMoveEvent(WebCore::PlatformMouseEvent const&, WebCore::HitTestResult*) + 1783 (EventHandler.cpp:1048) 10 com.apple.WebCore 0x0265739b WebCore::EventHandler::mouseMoved(WebCore::PlatformMouseEvent const&) + 61 (EventHandler.cpp:950) 11 com.apple.WebCore 0x0265c437 WebCore::EventHandler::mouseMoved(NSEvent*) + 363 (EventHandlerMac.mm:627) 12 com.apple.WebKit 0x001ea30b -[WebHTMLView(WebPrivate) _updateMouseoverWithEvent:] + 1225 (WebHTMLView.mm:1438) 13 com.apple.WebKit 0x001e2c12 -[WebHTMLView mouseMovedNotification:] + 98 (WebHTMLView.mm:3284) 14 com.apple.Foundation 0x9040054a _nsnote_callback + 106 15 com.apple.CoreFoundation 0x944649ba __CFXNotificationPost + 362 16 com.apple.CoreFoundation 0x94464c93 _CFXNotificationPostNotification + 179 17 com.apple.Foundation 0x903fd7b0 -[NSNotificationCenter postNotificationName:object:userInfo:] + 128 18 com.apple.AppKit 0x92d533a8 -[NSResponder _postEventNotification:] + 299 19 com.apple.AppKit 0x92d53046 forwardMethod + 208 20 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 21 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 22 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 23 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 24 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 25 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 26 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 27 com.apple.AppKit 0x92d52fe7 forwardMethod + 113 28 com.apple.AppKit 0x92cc74c5 -[NSWindow sendEvent:] + 8511 29 com.apple.Safari 0x000296d3 0x1000 + 165587 30 com.apple.AppKit 0x92c93b1d -[NSApplication sendEvent:] + 4713 31 com.apple.Safari 0x00029250 0x1000 + 164432 32 com.apple.AppKit 0x92bf0e27 -[NSApplication run] + 847 33 com.apple.AppKit 0x92bbe030 NSApplicationMain + 574 34 com.apple.Safari 0x000b4de6 0x1000 + 736742
Matt, That four-step process describes what I've been doing to trigger the crash. It's not just youtube.com; it happens elsewhere. It might, however, be exclusive to video. I generally wait for the video to finish before disabling plugins and it still crashes; it's not (just) while the video is playing. Cheers, b&
<rdar://problem/6105529>
Committed revision 35408.
My bug is fixed -- thank you! b&