1514896 - Assertion failure: AreScalesSame(), at src/obj-firefox/dist/include/mozilla/gfx/ScaleFactors2D.h:52

Status: RESOLVED FIXED

(Core :: Panning and Zooming, defect, P3)

Description

[Tyson Smith [:tsmith]]

Attachment: testcase.html

Found with m-c 20181217-3725bb5bafa0

Assertion failure: AreScalesSame(), at src/obj-firefox/dist/include/mozilla/gfx/ScaleFactors2D.h:52

0|libxul.so|mozilla::gfx::ScaleFactors2D<mozilla::CSSPixel, mozilla::ParentLayerPixel>::ToScaleFactor() const|||0x58
1|libxul.so|mozilla::layers::AndroidDynamicToolbarAnimator::UpdateRootFrameMetrics(mozilla::layers::FrameMetrics const&)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/AndroidDynamicToolbarAnimator.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|461|0xf
2|libxul.so|mozilla::layers::AsyncPanZoomController::DispatchStateChangeNotification(mozilla::layers::AsyncPanZoomController::PanZoomState, mozilla::layers::AsyncPanZoomController::PanZoomState)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/AsyncPanZoomController.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|4876|0xa
3|libxul.so|mozilla::layers::AsyncPanZoomController::SetState(mozilla::layers::AsyncPanZoomController::PanZoomState)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/AsyncPanZoomController.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|4844|0xf
4|libxul.so|mozilla::layers::AsyncPanZoomController::CancelAnimation(mozilla::layers::CancelAnimationFlags)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/AsyncPanZoomController.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|3371|0xd
5|libxul.so|mozilla::layers::AsyncPanZoomController::Destroy()|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/AsyncPanZoomController.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|857|0x10
6|libxul.so|mozilla::layers::HitTestingTreeNode::Destroy()|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/HitTestingTreeNode.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|66|0x8
7|libxul.so|void mozilla::layers::APZCTreeManager::UpdateHitTestingTreeImpl<mozilla::layers::LayerMetricsWrapper>(mozilla::layers::LayersId, mozilla::layers::LayerMetricsWrapper const&, bool, mozilla::layers::LayersId, unsigned int)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/APZCTreeManager.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|539|0x8
8|libxul.so|mozilla::layers::APZCTreeManager::UpdateHitTestingTree(mozilla::layers::LayersId, mozilla::layers::Layer*, bool, mozilla::layers::LayersId, unsigned int)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/APZCTreeManager.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|570|0x37
9|libxul.so|mozilla::layers::APZUpdater::UpdateHitTestingTree(mozilla::layers::LayersId, mozilla::layers::Layer*, bool, mozilla::layers::LayersId, unsigned int)|hg:hg.mozilla.org/mozilla-central:gfx/layers/apz/src/APZUpdater.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|166|0x34
10|libxul.so|mozilla::layers::CompositorBridgeParent::ShadowLayersUpdated(mozilla::layers::LayerTransactionParent*, mozilla::layers::TransactionInfo const&, bool)|hg:hg.mozilla.org/mozilla-central:gfx/layers/ipc/CompositorBridgeParent.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|1227|0x30
11|libxul.so|mozilla::layers::LayerTransactionParent::RecvUpdate(mozilla::layers::TransactionInfo const&)|hg:hg.mozilla.org/mozilla-central:gfx/layers/ipc/LayerTransactionParent.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|450|0xe
12|libxul.so|mozilla::layers::PLayerTransactionParent::OnMessageReceived(IPC::Message const&)|s3:gecko-generated-sources:4eb6561b1db6077e19dd557e9947e0ce1ddcc9da1ebda80e1eb6974b80e743d51e736db510e1865d4988f2dc4147d0a995fb1f88a87963d82f1b387793ae4316/ipc/ipdl/PLayerTransactionParent.cpp:|111|0x17
13|libxul.so|mozilla::layers::PCompositorManagerParent::OnMessageReceived(IPC::Message const&)|s3:gecko-generated-sources:7c1f562c9a3e18c8f77ea5c4834bec25bccebcdaaf2339fd66a863b4061df194b598a3ac249d7b46edcc74acd6f3dfe001c7a7a6b637ba3f86f9e48d28911e2a/ipc/ipdl/PCompositorManagerParent.cpp:|110|0xa
14|libxul.so|mozilla::ipc::MessageChannel::DispatchAsyncMessage(IPC::Message const&)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|2159|0xc
15|libxul.so|mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|2086|0xf
16|libxul.so|mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::MessageChannel::MessageTask&)|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|1935|0xc
17|libxul.so|mozilla::ipc::MessageChannel::MessageTask::Run()|hg:hg.mozilla.org/mozilla-central:ipc/glue/MessageChannel.cpp:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|1966|0xc
18|libxul.so|MessageLoop::RunTask(already_AddRefed<nsIRunnable>)|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|441|0x8
19|libxul.so|MessageLoop::DeferOrRunPendingTask(MessageLoop::PendingTask&&)|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|449|0xc
20|libxul.so|MessageLoop::DoWork()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|522|0xf
21|libxul.so|base::MessagePumpDefault::Run(base::MessagePump::Delegate*)|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_pump_default.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|35|0x8
22|libxul.so|MessageLoop::RunInternal()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|314|0xb
23|libxul.so|MessageLoop::Run()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/message_loop.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|307|0xb
24|libxul.so|base::Thread::ThreadMain()|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/thread.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|192|0x8
25|libxul.so|ThreadFunc(void*)|hg:hg.mozilla.org/mozilla-central:ipc/chromium/src/base/platform_thread_posix.cc:3725bb5bafa0c7e4e7c0543d999ce91eef739a74|40|0x8

Comment 1

[Botond Ballo [:botond]]

AndroidDynamicToolbarAnimator has been removed since the time this bug was filed, so this assertion with the given stack trace will no longer occur.

There may be underlying issues with the potential to cause similar assertions elsewhere; I filed bug 1668913 to clean this up.