Bug: Intermittent dom/base/crashtests/1665792.html | assertion count 3 is more than expected 0 assertions after ###!!! ASSERTION: Shouldn't be busy here: '!IsBusy()', file /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp
Status: RESOLVED
Priority: P5
Resolution: INCOMPLETE
Created: 2021-03-03 20:45:46+00:00
Resolved: 2021-08-31 17:04:29+00:00

**Filed by:** abutkovits [at] mozilla.com
**Parsed log:** https://treeherder.mozilla.org/logviewer?job_id=331937792&repo=autoland
**Full log:** https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Thg8fjA-SkelzveZktPshg/runs/0/artifacts/public/logs/live_backing.log
**Reftest URL:** https://hg.mozilla.org/mozilla-central/raw-file/tip/layout/tools/reftest/reftest-analyzer.xhtml#logurl=https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Thg8fjA-SkelzveZktPshg/runs/0/artifacts/public/logs/live_backing.log&only_show_unexpected=1

---
```
[task 2021-03-03T19:23:28.319Z] 19:23:28     INFO - [Child 1686, Main Thread] ###!!! ASSERTION: Shouldn't be busy here: '!IsBusy()', file /builds/worker/checkouts/gecko/uriloader/base/nsDocLoader.cpp:276
[task 2021-03-03T19:23:28.321Z] 19:23:28     INFO - #01: nsDocLoader::Stop() [uriloader/base/nsDocLoader.cpp:251]
[task 2021-03-03T19:23:28.322Z] 19:23:28     INFO - #02: nsDocShell::Stop(unsigned int) [docshell/base/nsDocShell.cpp:4391]
[task 2021-03-03T19:23:28.323Z] 19:23:28     INFO - #03: nsDocShell::InternalLoad(nsDocShellLoadState*, mozilla::Maybe<unsigned int>) [docshell/base/nsDocShell.cpp:9535]
[task 2021-03-03T19:23:28.324Z] 19:23:28     INFO - #04: nsDocShell::LoadHistoryEntry(nsDocShellLoadState*, unsigned int, bool) [docshell/base/nsDocShell.cpp:12009]
[task 2021-03-03T19:23:28.326Z] 19:23:28     INFO - #05: std::_Function_handler<void (mozilla::Tuple<bool, mozilla::Maybe<RefPtr<nsDocShellLoadState> >, mozilla::Maybe<bool> >&&), nsDocShell::Reload(unsigned int)::$_55>::_M_invoke(std::_Any_data const&, mozilla::Tuple<bool, mozilla::Maybe<RefPtr<nsDocShellLoadState> >, mozilla::Maybe<bool> >&&) [/builds/worker/fetches/clang/include/c++/7.4.0/bits/std_function.h:316]
[task 2021-03-03T19:23:28.326Z] 19:23:28     INFO - #06: mozilla::dom::PContentChild::OnMessageReceived(IPC::Message const&) [s3:gecko-generated-sources:c60c1f33d3794f16d3b32986150c070d87840bc523cffc80ff75b16cce6f0177694ddf1401b7545c39194943d23ae8c89059e6577518b421fdbb4ab0fd74b044/ipc/ipdl/PContentChild.cpp::14664]
[task 2021-03-03T19:23:28.328Z] 19:23:28     INFO - #07: mozilla::ipc::MessageChannel::DispatchAsyncMessage(mozilla::ipc::ActorLifecycleProxy*, IPC::Message const&) [ipc/glue/MessageChannel.cpp:2154]
[task 2021-03-03T19:23:28.329Z] 19:23:28     INFO - #08: mozilla::ipc::MessageChannel::DispatchMessage(IPC::Message&&) [ipc/glue/MessageChannel.cpp:2080]
[task 2021-03-03T19:23:28.330Z] 19:23:28     INFO - #09: mozilla::ipc::MessageChannel::RunMessage(mozilla::ipc::MessageChannel::MessageTask&) [ipc/glue/MessageChannel.cpp:1925]
[task 2021-03-03T19:23:28.331Z] 19:23:28     INFO - #10: mozilla::ipc::MessageChannel::MessageTask::Run() [ipc/glue/MessageChannel.cpp:1958]
[task 2021-03-03T19:23:28.332Z] 19:23:28     INFO - #11: mozilla::RunnableTask::Run() [xpcom/threads/TaskController.cpp:473]
[task 2021-03-03T19:23:28.333Z] 19:23:28     INFO - #12: mozilla::TaskController::DoExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) [xpcom/threads/TaskController.cpp:760]
[task 2021-03-03T19:23:28.334Z] 19:23:28     INFO - #13: mozilla::TaskController::ExecuteNextTaskOnlyMainThreadInternal(mozilla::detail::BaseAutoLock<mozilla::Mutex&> const&) [xpcom/threads/TaskController.cpp:611]
[task 2021-03-03T19:23:28.336Z] 19:23:28     INFO - #14: mozilla::TaskController::ProcessPendingMTTask(bool) [xpcom/threads/TaskController.cpp:395]
[task 2021-03-03T19:23:28.336Z] 19:23:28     INFO - #15: mozilla::detail::RunnableFunction<mozilla::TaskController::InitializeInternal()::$_3>::Run() [xpcom/threads/nsThreadUtils.h:535]
[task 2021-03-03T19:23:28.338Z] 19:23:28     INFO - #16: nsThread::ProcessNextEvent(bool, bool*) [xpcom/threads/nsThread.cpp:1162]
[task 2021-03-03T19:23:28.339Z] 19:23:28     INFO - #17: NS_ProcessNextEvent(nsIThread*, bool) [xpcom/threads/nsThreadUtils.cpp:548]
[task 2021-03-03T19:23:28.340Z] 19:23:28     INFO - #18: mozilla::ipc::MessagePump::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:87]
[task 2021-03-03T19:23:28.341Z] 19:23:28     INFO - #19: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:335]
[task 2021-03-03T19:23:28.342Z] 19:23:28     INFO - #20: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:311]
[task 2021-03-03T19:23:28.343Z] 19:23:28     INFO - #21: nsBaseAppShell::Run() [widget/nsBaseAppShell.cpp:139]
[task 2021-03-03T19:23:28.344Z] 19:23:28     INFO - #22: XRE_RunAppShell() [toolkit/xre/nsEmbedFunctions.cpp:902]
[task 2021-03-03T19:23:28.344Z] 19:23:28     INFO - #23: mozilla::ipc::MessagePumpForChildProcess::Run(base::MessagePump::Delegate*) [ipc/glue/MessagePump.cpp:237]
[task 2021-03-03T19:23:28.346Z] 19:23:28     INFO - #24: MessageLoop::RunInternal() [ipc/chromium/src/base/message_loop.cc:335]
[task 2021-03-03T19:23:28.347Z] 19:23:28     INFO - #25: MessageLoop::Run() [ipc/chromium/src/base/message_loop.cc:311]
[task 2021-03-03T19:23:28.348Z] 19:23:28     INFO - #26: XRE_InitChildProcess(int, char**, XREChildData const*) [toolkit/xre/nsEmbedFunctions.cpp:733]
[task 2021-03-03T19:23:28.349Z] 19:23:28     INFO - #27: content_process_main(mozilla::Bootstrap*, int, char**) [ipc/contentproc/plugin-container.cpp:58]
[task 2021-03-03T19:23:28.350Z] 19:23:28     INFO - #28: main [browser/app/nsBrowserApp.cpp:309]
[task 2021-03-03T19:23:28.351Z] 19:23:28     INFO - #29: __libc_start_main [/lib/x86_64-linux-gnu/libc.so.6 + 0x21b97]
[task 2021-03-03T19:23:28.352Z] 19:23:28     INFO - #30: ??? [/builds/worker/workspace/build/application/firefox/firefox-bin + 0x41449]
[task 2021-03-03T19:23:28.354Z] 19:23:28     INFO - #31: ??? (???:???)
[task 2021-03-03T19:23:28.355Z] 19:23:28     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:28.355Z] 19:23:28     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:28.420Z] 19:23:28     INFO - [Parent 1433, Main Thread] WARNING: '!browserDOMWin', file /builds/worker/checkouts/gecko/dom/ipc/ContentParent.cpp:5322
[task 2021-03-03T19:23:28.505Z] 19:23:28     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(rootFrame) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp:4253
[task 2021-03-03T19:23:28.513Z] 19:23:28     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_TRUE(!HasUnloadedParent()) failed: file /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:9314
[task 2021-03-03T19:23:28.516Z] 19:23:28     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:907
[task 2021-03-03T19:23:28.517Z] 19:23:28     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:758
[task 2021-03-03T19:23:28.868Z] 19:23:28     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:28.872Z] 19:23:28     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:28.873Z] 19:23:28     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:28.874Z] 19:23:28     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:29.252Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aUvRect1", count: 4, kind: F32 } is not found in the shader composite. Expected at 6, found at -1
[task 2021-03-03T19:23:29.252Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aUvRect2", count: 4, kind: F32 } is not found in the shader composite. Expected at 7, found at -1
[task 2021-03-03T19:23:29.328Z] 19:23:29     INFO - [GLX] window 22001e7 has VisualID 0x41
[task 2021-03-03T19:23:29.332Z] 19:23:29     INFO - [Parent 1433, Renderer] WARNING: robust_buffer_access_behavior marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:628
[task 2021-03-03T19:23:29.333Z] 19:23:29     INFO - [Parent 1433, Renderer] WARNING: Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!: file /builds/worker/checkouts/gecko/gfx/gl/GLContext.cpp:975
[task 2021-03-03T19:23:29.333Z] 19:23:29     INFO - [Parent 1433, Renderer] WARNING: robustness marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:628
[task 2021-03-03T19:23:29.341Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2021-03-03T19:23:29.437Z] 19:23:29     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(presShell) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp:4251
[task 2021-03-03T19:23:29.477Z] 19:23:29     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(uri) failed: file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1327
[task 2021-03-03T19:23:29.479Z] 19:23:29     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(rootFrame) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp:4253
[task 2021-03-03T19:23:29.541Z] 19:23:29     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_TRUE(scriptObject || !hasHadScriptObject) failed: file /builds/worker/checkouts/gecko/dom/base/Document.cpp:11484
[task 2021-03-03T19:23:29.542Z] 19:23:29     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/html/nsHTMLDocument.cpp:644
[task 2021-03-03T19:23:29.543Z] 19:23:29     INFO - [Child 1686, Main Thread] WARNING: 'NS_FAILED(rv)', file /builds/worker/checkouts/gecko/dom/base/nsINode.cpp:3121
[task 2021-03-03T19:23:29.547Z] 19:23:29     INFO - JavaScript error: resource://specialpowers/WrapPrivileged.jsm, line 118: NotSupportedError: Window.printPreview: Clone operation for printing failed
[task 2021-03-03T19:23:29.817Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_TL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 8, found at -1
[task 2021-03-03T19:23:29.818Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_TR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 10, found at -1
[task 2021-03-03T19:23:29.818Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_BL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 12, found at -1
[task 2021-03-03T19:23:29.818Z] 19:23:29     INFO - [2021-03-03T19:23:29Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_BR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 14, found at -1
[task 2021-03-03T19:23:29.853Z] 19:23:29     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(root) failed: file /builds/worker/checkouts/gecko/layout/base/nsDocumentViewer.cpp:2729
[task 2021-03-03T19:23:30.156Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_TL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 8, found at -1
[task 2021-03-03T19:23:30.156Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_TR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 10, found at -1
[task 2021-03-03T19:23:30.156Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRadii_TR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 11, found at -1
[task 2021-03-03T19:23:30.159Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_BL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 12, found at -1
[task 2021-03-03T19:23:30.160Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRadii_BL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 13, found at -1
[task 2021-03-03T19:23:30.161Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_BR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 14, found at -1
[task 2021-03-03T19:23:30.161Z] 19:23:30     INFO - [2021-03-03T19:23:30Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRadii_BR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 15, found at -1
[task 2021-03-03T19:23:31.571Z] 19:23:31     INFO - [2021-03-03T19:23:31Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aUvRect1", count: 4, kind: F32 } is not found in the shader composite. Expected at 6, found at -1
[task 2021-03-03T19:23:31.573Z] 19:23:31     INFO - [2021-03-03T19:23:31Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aUvRect2", count: 4, kind: F32 } is not found in the shader composite. Expected at 7, found at -1
[task 2021-03-03T19:23:31.692Z] 19:23:31     INFO - [GLX] window 22001f6 has VisualID 0x41
[task 2021-03-03T19:23:31.700Z] 19:23:31     INFO - [Parent 1433, Renderer] WARNING: robust_buffer_access_behavior marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:628
[task 2021-03-03T19:23:31.700Z] 19:23:31     INFO - [Parent 1433, Renderer] WARNING: Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!: file /builds/worker/checkouts/gecko/gfx/gl/GLContext.cpp:975
[task 2021-03-03T19:23:31.700Z] 19:23:31     INFO - [Parent 1433, Renderer] WARNING: robustness marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:628
[task 2021-03-03T19:23:31.700Z] 19:23:31     INFO - [2021-03-03T19:23:31Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2021-03-03T19:23:32.121Z] 19:23:32     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:32.121Z] 19:23:32     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:32.280Z] 19:23:32     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:32.281Z] 19:23:32     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:32.281Z] 19:23:32     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:32.281Z] 19:23:32     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:32.281Z] 19:23:32     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:32.282Z] 19:23:32     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:32.289Z] 19:23:32     INFO - [Parent 1433, Main Thread] WARNING: '!browserDOMWin', file /builds/worker/checkouts/gecko/dom/ipc/ContentParent.cpp:5322
[task 2021-03-03T19:23:32.324Z] 19:23:32     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(rootFrame) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp:4253
[task 2021-03-03T19:23:33.183Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aUvRect1", count: 4, kind: F32 } is not found in the shader composite. Expected at 6, found at -1
[task 2021-03-03T19:23:33.183Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aUvRect2", count: 4, kind: F32 } is not found in the shader composite. Expected at 7, found at -1
[task 2021-03-03T19:23:33.247Z] 19:23:33     INFO - [GLX] window 2200209 has VisualID 0x41
[task 2021-03-03T19:23:33.263Z] 19:23:33     INFO - [Parent 1433, Renderer] WARNING: robust_buffer_access_behavior marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:628
[task 2021-03-03T19:23:33.263Z] 19:23:33     INFO - [Parent 1433, Renderer] WARNING: Robustness supported, strategy is not LOSE_CONTEXT_ON_RESET!: file /builds/worker/checkouts/gecko/gfx/gl/GLContext.cpp:975
[task 2021-03-03T19:23:33.263Z] 19:23:33     INFO - [Parent 1433, Renderer] WARNING: robustness marked as unsupported: file /builds/worker/checkouts/gecko/gfx/gl/GLContextFeatures.cpp:628
[task 2021-03-03T19:23:33.263Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Missing optimized shader source for gpu_cache_update
[task 2021-03-03T19:23:33.443Z] 19:23:33     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(presShell) failed: file /builds/worker/checkouts/gecko/dom/base/nsGlobalWindowOuter.cpp:4251
[task 2021-03-03T19:23:33.519Z] 19:23:33     INFO - REFTEST TEST-PASS | dom/base/crashtests/1665792.html | (LOAD ONLY)
[task 2021-03-03T19:23:33.520Z] 19:23:33     INFO - REFTEST TEST-END | dom/base/crashtests/1665792.html
[task 2021-03-03T19:23:33.568Z] 19:23:33     INFO - [Child 1686, Main Thread] WARNING: Caller should supply a printer name.: file /builds/worker/checkouts/gecko/widget/nsPrintSettingsService.cpp:864
[task 2021-03-03T19:23:33.757Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_TL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 8, found at -1
[task 2021-03-03T19:23:33.758Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_TR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 10, found at -1
[task 2021-03-03T19:23:33.759Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_BL", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 12, found at -1
[task 2021-03-03T19:23:33.760Z] 19:23:33     INFO - [2021-03-03T19:23:33Z WARN  webrender::device::gl] Attribute VertexAttribute { name: "aClipRect_BR", count: 4, kind: F32 } is not found in the shader cs_clip_rectangle. Expected at 14, found at -1
[task 2021-03-03T19:23:33.794Z] 19:23:33     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_TRUE(uri) failed: file /builds/worker/checkouts/gecko/caps/BasePrincipal.cpp:1327
[task 2021-03-03T19:23:33.798Z] 19:23:33     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_TRUE(!HasUnloadedParent()) failed: file /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:9314
[task 2021-03-03T19:23:33.799Z] 19:23:33     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/docshell/base/nsDocShell.cpp:907
[task 2021-03-03T19:23:33.800Z] 19:23:33     INFO - [Child 1686, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x8000FFFF (NS_ERROR_UNEXPECTED): file /builds/worker/checkouts/gecko/dom/base/nsFrameLoader.cpp:758
[task 2021-03-03T19:23:33.902Z] 19:23:33     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:33.903Z] 19:23:33     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:33.904Z] 19:23:33     INFO - [Parent 1433, Main Thread] WARNING: NS_ENSURE_SUCCESS(rv, rv) failed with result 0x80040111 (NS_ERROR_NOT_AVAILABLE): file /builds/worker/checkouts/gecko/startupcache/StartupCacheUtils.cpp:153
[task 2021-03-03T19:23:33.905Z] 19:23:33     INFO - JavaScript error: resource://specialpowers/AppTestDelegateParent.jsm, line 10: NS_ERROR_NOT_AVAILABLE:
[task 2021-03-03T19:23:33.906Z] 19:23:33     INFO - REFTEST TEST-UNEXPECTED-FAIL | dom/base/crashtests/1665792.html | assertion count 3 is more than expected 0 assertions```