[Webkit-unassigned] [Bug 12082] REGRESSION: crash between r18329 and r18333 in RenderFrameSet::layOutAxis()

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12082


ddkilzer at webkit.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Regression crash between    |REGRESSION: crash between
                   |r18329 and r18333           |r18329 and r18333 in
                   |                            |RenderFrameSet::layOutAxis()
           Keywords|                            |Regression
                 CC|                            |mitz at webkit.org




------- Comment #4 from ddkilzer at webkit.org  2007-01-02 15:31 PDT -------
(In reply to comment #2)
> I can't reproduce this with the r18333 nightly or my locally built copy of
> r18517 - perhaps this is an Intel-only bug? (I'm on a G4)

The last stack trace indicates a division-by-zero error, which (as I recall) is
"more fatal" on x86 than it is on PPC, so that jibes with your findings Matt! 
Here's the top of the stack trace:

Exception:  EXC_ARITHMETIC (0x0003)
Codes:      EXC_I386_DIV (divide by zero)

Thread 0 Crashed:
0   com.apple.WebCore                   0x01263488
WebCore::RenderFrameSet::layOutAxis(WebCore::RenderFrameSet::GridAxis&,
WebCore::Length const*, int) + 1028
1   com.apple.WebCore                   0x0126385a
WebCore::RenderFrameSet::layout() + 156
2   com.apple.WebCore                   0x0114973f
WebCore::RenderBlock::layoutBlockChildren(bool) + 701
3   com.apple.WebCore                   0x01149f25
WebCore::RenderBlock::layoutBlock(bool) + 1141
4   com.apple.WebCore                   0x0113f912
WebCore::RenderBlock::layout() + 28
5   com.apple.WebCore                   0x0114973f
WebCore::RenderBlock::layoutBlockChildren(bool) + 701
6   com.apple.WebCore                   0x01149f25
WebCore::RenderBlock::layoutBlock(bool) + 1141
7   com.apple.WebCore                   0x0113f912
WebCore::RenderBlock::layout() + 28
8   com.apple.WebCore                   0x01153ac8
WebCore::RenderView::layout() + 60
9   com.apple.WebCore                   0x010d6915
WebCore::FrameView::layout(bool) + 327
10  com.apple.WebCore                   0x012627c9
WebCore::RenderPart::updateWidgetPosition() + 533
11  com.apple.WebCore                   0x0115429a
WebCore::RenderView::updateWidgetPositions() + 94
12  com.apple.WebCore                   0x010d6d4d
WebCore::FrameView::layout(bool) + 1407
13  com.apple.WebCore                   0x010d8645
WebCore::Document::updateLayout() + 81
14  com.apple.WebCore                   0x010cf4fe
WebCore::Frame::setIsActive(bool) + 558
15  com.apple.WebKit                    0x00332f94 -[WebHTMLView
resignFirstResponder] + 156
16  com.apple.AppKit                    0x932b9406 -[NSWindow
makeFirstResponder:] + 107
17  com.apple.Safari                    0x00013d4d 0x1000 + 77133
18  com.apple.Safari                    0x0002e346 0x1000 + 185158
19  libobjc.A.dylib                     0x90a57c56 objc_msgSendv + 54
[...]


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