114878 2013-04-19 09:25:19 -0700 ASSERT(!isUndefined()) in animation on max-height 2014-07-21 23:48:00 -0700 1 1 1 Unclassified WebKit CSS 528+ (Nightly build) Unspecified Unspecified RESOLVED DUPLICATE 131842 P2 Normal --- 1 allan.jensen webkit-unassigned oldest_to_newest 878542 0 allan.jensen 2013-04-19 09:25:19 -0700 Assertion observed in Length::isZero() on is !isUndefined(). It appears the problem is an animation on max-height going from undefined to a defined value. #5 0x00007fb86fc5b012 in WebCore::Length::isZero (this=0x7fff370b83f0) at /src/qtwebkit-23/Source/WebCore/platform/Length.h:195 #6 0x00007fb86fc5b0f2 in WebCore::Length::blend (this=0x7fff370b83e0, from=..., progress=0) at /src/qtwebkit-23/Source/WebCore/platform/Length.h:235 #7 0x00007fb86fc5d774 in WebCore::blendFunc (from=..., to=..., progress=0) at /src/qtwebkit-23/Source/WebCore/page/animation/CSSPropertyAnimation.cpp:83 #8 0x00007fb86fc70c87 in WebCore::PropertyWrapper<WebCore::Length>::blend (this=0x440c550, anim=0x4c3c440, dst=0x4c3c6d0, a=0x2e8f2c0, b=0x2f28a80, progress=0) at /src/qtwebkit-23/Source/WebCore/page/animation/CSSPropertyAnimation.cpp:379 #9 0x00007fb86fc67e95 in WebCore::CSSPropertyAnimation::blendProperties (anim=0x4c3c440, prop=WebCore::CSSPropertyMaxHeight, dst=0x4c3c6d0, a=0x2e8f2c0, b=0x2f28a80, progress=0) at /src/qtwebkit-23/Source/WebCore/page/animation/CSSPropertyAnimation.cpp:1265 #10 0x00007fb86fc72b29 in WebCore::ImplicitAnimation::animate (this=0x4c3c440, targetStyle=0x2f28a80, animatedStyle=...) at /src/qtwebkit-23/Source/WebCore/page/animation/ImplicitAnimation.cpp:81 1023896 1 allan.jensen 2014-07-21 23:48:00 -0700 *** This bug has been marked as a duplicate of bug 131842 ***