[Webkit-unassigned] [Bug 100214] New: [BlackBerry] ASSERT(!needsOneShotDrawingSynchronization()) failed in commitRootLayerIfNeeded()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=100214

           Summary: [BlackBerry]
                    ASSERT(!needsOneShotDrawingSynchronization()) failed
                    in commitRootLayerIfNeeded()
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: WebKit BlackBerry
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: xuewen.wang at torchmobile.com.cn
                CC: rwlbuis at gmail.com, anilsson at rim.com


DESCRIPTION:
Assertion failed when I open the tab bar when loading the test case page.

HOW TO REPRODUCE:
Build webkit repo with debug configuration.
Open the test case in the attachment, when it loaded, open the tab bar.

EXPECTED:
The webpage is hide and the tab bar is shown.

ACTUAL:
An assertion failed with the stack of following

Thread [3] (Suspended: Signal 'SIGSEGV' received. Description: Segmentation
fault.)
        20 BlackBerry::WebKit::WebPagePrivate::commitRootLayerIfNeeded()
WebPage.cpp:5670 0x78eedab8
        19
BlackBerry::WebKit::BackingStorePrivate::resumeScreenAndBackingStoreUpdates()
BackingStore.cpp:362 0x78eac2c8
        18 BlackBerry::WebKit::WebPagePrivate::setViewportSize()
WebPage.cpp:3861 0x78ee5bc8
        17 BlackBerry::WebKit::WebPage::setViewportSize() WebPage.cpp:3891
0x78ee5d38

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