26024 2009-05-26 10:04:22 -0700 AX: possible to fail assertion because AXPostNotification calls accessibilityIsIgnored 2009-05-29 11:39:33 -0700 1 1 1 Unclassified WebKit Accessibility 528+ (Nightly build) Mac OS X 10.5 RESOLVED FIXED P2 Normal --- 1 cfleizach cfleizach oldest_to_newest 123144 0 cfleizach 2009-05-26 10:04:22 -0700 ASSERTION FAILED: !m_layoutState (/Volumes/data/Web/WebKit-2/WebCore/rendering/RenderView.cpp:115 virtual void WebCore::RenderView::layout()) Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_INVALID_ADDRESS at address: 0x00000000bbadbeef 0x0000000101afc46d in WebCore::RenderView::layout (this=0x119aaf898) at /Volumes/data/Web/WebKit-2/WebCore/rendering/RenderView.cpp:115 115 ASSERT(!m_layoutState); (gdb) bt #0 0x0000000101afc46d in WebCore::RenderView::layout (this=0x119aaf898) at /Volumes/data/Web/WebKit-2/WebCore/rendering/RenderView.cpp:115 #1 0x0000000101cb92f7 in WebCore::RenderObject::layoutIfNeeded (this=0x119aaf898) at RenderObject.h:479 #2 0x000000010139ece4 in WebCore::AccessibilityRenderObject::updateBackingStore (this=0x119c21e80) at /Volumes/data/Web/WebKit-2/WebCore/page/AccessibilityRenderObject.cpp:2537 #3 0x000000010138f235 in -[AccessibilityObjectWrapper accessibilityIsIgnored] (self=0x119c1a230, _cmd=0x7fff820a67d8) at /Volumes/data/Web/WebKit-2/WebCore/page/mac/AccessibilityObjectWrapper.mm:1530 #4 0x00007fff819c0431 in NSAccessibilityPostNotificationForObservedElement () #5 0x00000001013889e1 in WebCore::AXObjectCache::postNotification (this=0x119ad5aa0, renderer=0x119c218d8, message=@0x7fff5fbf9950) at /Volumes/data/Web/WebKit-2/WebCore/page/mac/AXObjectCacheMac.mm:68 #6 0x0000000101ae2a18 in WebCore::RenderTextControl::setInnerTextValue (this=0x119c218d8, innerTextValue=@0x7fff5fbf99f0) at /Volumes/data/Web/WebKit-2/WebCore/rendering/RenderTextControl.cpp:176 #7 0x0000000101ae7d4e in WebCore::RenderTextControlSingleLine::updateFromElement (this=0x119c218d8) at /Volumes/data/Web/WebKit-2/WebCore/rendering/ 123146 1 30671 cfleizach 2009-05-26 10:16:25 -0700 Created attachment 30671 patch This patch fixes the problem where an AX notification can be posted while the render tree is being changed. this callout can cause other problems. the fix is to have a one shot timer post all the notifications after rendering is done this also consolidate postNotification and postNotificationToElement into one method 123573 2 levin 2009-05-29 11:25:18 -0700 Assigned to cfleizach@apple.com for landing his own patch (simply to make this obvious in the commit queue). 123576 3 cfleizach 2009-05-29 11:33:49 -0700 http://trac.webkit.org/changeset/44266 30671 2009-05-26 10:16:25 -0700 2009-05-29 09:32:24 -0700 patch patch.txt text/plain 15127 cfleizach SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYkNvcmUvQ2hhbmdlTG9n CShyZXZpc2lvbiA0NDE1MCkKKysrIFdlYkNvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBA IC0xLDMgKzEsNDIgQEAKKzIwMDktMDUtMjYgIENocmlzIEZsZWl6YWNoICA8Y2ZsZWl6YWNoQGFw cGxlLmNvbT4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAg ICBCdWcgMjYwMjQ6IEFYOiBwb3NzaWJsZSB0byBmYWlsIGFzc2VydGlvbiBiZWNhdXNlIEFYUG9z dE5vdGlmaWNhdGlvbiBjYWxscyBhY2Nlc3NpYmlsaXR5SXNJZ25vcmVkCisgICAgICAgIGh0dHBz Oi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yNjAyNAorCisgICAgICAgIEFYIG5v dGlmaWNhdGlvbnMgYXJlIHBvc3RlZCBhZnRlciBhIG9uZSBzaG90IHRpbWVyIHNvIHRoYXQgbm90 aWZpY2F0aW9ucyBhcmUgbm90IHBlcmZvcm1lZCBtaWQtbGF5b3V0LgorICAgICAgICBDb25zb2xp 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