[Webkit-unassigned] [Bug 83049] New: [Qt][WK2] Assertion failure on loading new page after panning/zooming

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83049

           Summary: [Qt][WK2] Assertion failure on loading new page after
                    panning/zooming
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dinu.jacob at Nokia.com


On loading a new page after panning/zooming (which results in a change in position), the following ASSERT observed:

ASSERTION FAILED: !m_suspendCount
Source/WebKit2/UIProcess/qt/QtViewportInteractionEngine.cpp(420) : void WebKit::QtViewportInteractionEngine::reset()
1   0xb73545fb WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit27QtViewportInteractionEngine5resetEv+0x4b) [0xb73545fb]
2   0xb7354677 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit27QtViewportInteractionEngine16applyConstraintsERKNS0_11ConstraintsE+0x1f) [0xb7354677]
3   0xb725747a WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN29QQuickWebViewFlickablePrivate27didChangeViewportPropertiesERKN7WebCore17ViewportArgumentsE+0x5e) [0xb725747a]
4   0xb734a2f7 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN12QtPageClient27didChangeViewportPropertiesERKN7WebCore17ViewportArgumentsE+0x33) [0xb734a2f7]
5   0xb72f554b WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit12WebPageProxy27didChangeViewportPropertiesERKN7WebCore17ViewportArgumentsE+0x25) [0xb72f554b]
6   0xb7487a30 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN7CoreIPC18callMemberFunctionIN6WebKit12WebPageProxyEMS2_FvRKN7WebCore17ViewportArgumentsEES4_EEvRKNS_10Arguments1IT1_EEPT_T0_+0x3a) [0xb7487a30]
7   0xb7482e05 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN7CoreIPC13handleMessageIN8Messages12WebPageProxy27DidChangeViewportPropertiesEN6WebKit12WebPageProxyEMS5_FvRKN7WebCore17ViewportArgumentsEEEEvPNS_15ArgumentDecoderEPT0_T1_+0x55) [0xb7482e05]
8   0xb74808ea WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit12WebPageProxy29didReceiveWebPageProxyMessageEPN7CoreIPC10ConnectionENS1_9MessageIDEPNS1_15ArgumentDecoderE+0x17c) [0xb74808ea]
9   0xb72f06b2 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit12WebPageProxy17didReceiveMessageEPN7CoreIPC10ConnectionENS1_9MessageIDEPNS1_15ArgumentDecoderE+0xfa) [0xb72f06b2]
10  0xb7329726 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit15WebProcessProxy17didReceiveMessageEPN7CoreIPC10ConnectionENS1_9MessageIDEPNS1_15ArgumentDecoderE+0x1a2) [0xb7329726]
11  0xb72a9f32 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN6WebKit25WebConnectionToWebProcess17didReceiveMessageEPN7CoreIPC10ConnectionENS1_9MessageIDEPNS1_15ArgumentDecoderE+0x10c) [0xb72a9f32]
12  0xb71c8fd0 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN7CoreIPC10Connection15dispatchMessageERNS0_7MessageINS_15ArgumentDecoderEEE+0x14e) [0xb71c8fd0]
13  0xb71c9180 WebKitBuild/Debug/lib/libWebKit2.so.1(_ZN7CoreIPC10Connection16dispatchMessagesEv+0xa2) [0xb71c9180]

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