Originally reported in bug 89733, comment 10: ASSERTION FAILED: !currBox->needsLayout() ../../third_party/WebKit/Source/WebCore/rendering/RenderBlock.cpp(7671) : void WebCore::RenderBlock::checkPositionedObjectsNeedLayout() 1 0x7f1e524abb40 2 0x7f1e52601519 3 0x7f1e5245152b 4 0x7f1e5248933a 5 0x7f1e52488293 6 0x7f1e524877ae 7 0x7f1e52687bb9 8 0x7f1e526882cc 9 0x7f1e5348f60e 10 0x7f1e53498645 11 0x7f1e520236fe 12 0x7f1e520e8014 13 0x7f1e4fb7cf75 content::RenderWidget::DoDeferredUpdate() 14 0x7f1e4fb82319 content::RenderWidget::DoDeferredUpdateAndSendInputAck() 15 0x7f1e4fb83a7a content::RenderWidget::InvalidationCallback() 16 0x7f1e4fb8a6d2 17 0x7f1e4fb8b5a9 18 0x7f1e4fb8b565 19 0x7f1e5602ccfe 20 0x7f1e560770ec MessageLoop::RunTask(base::PendingTask const&) 21 0x7f1e560774db MessageLoop::DeferOrRunPendingTask(base::PendingTask const&) 22 0x7f1e56077685 MessageLoop::DoWork() 23 0x7f1e56081408 24 0x7f1e56076b16 MessageLoop::RunInternal() 25 0x7f1e560769c5 MessageLoop::RunHandler() 26 0x7f1e560b3552 base::RunLoop::Run() 27 0x7f1e56076261 MessageLoop::Run() 28 0x7f1e4fb9c390 29 0x7f1e4f405987 30 0x7f1e4f405c84 31 0x7f1e4f406b0d Using gmail in a Debug chrome for a few minutes triggers this tab crash. Probably needs a fix similar to bug 100265.
The ASSERT was added in bug 88133 but it probably just uncovered an existing issue.
(In reply to comment #1) > The ASSERT was added in bug 88133 but it probably just uncovered an existing issue. Can you CC me on that bug?