Filed by: apavel [at] mozilla.com https://treeherder.mozilla.org/logviewer.html#?job_id=179900196&repo=mozilla-inbound https://queue.taskcluster.net/v1/task/HjLn7mjVTI6iHwWuZ-SE_w/runs/0/artifacts/public/logs/live_backing.log [task 2018-05-23T22:07:15.149Z] 22:07:15 INFO - TEST-START | /encrypted-media/clearkey-mp4-setmediakeys-again-after-playback.https.html [task 2018-05-23T22:07:16.301Z] 22:07:16 INFO - PID 5542 | ++DOCSHELL 0x7f2229731800 == 6 [pid = 5605] [id = {ca3d38df-ef90-4deb-9df1-4e7ed29e75bb}] [task 2018-05-23T22:07:16.302Z] 22:07:16 INFO - PID 5542 | ++DOMWINDOW == 21 (0x7f22296c7c00) [pid = 5605] [serial = 75] [outer = (nil)] [task 2018-05-23T22:07:16.358Z] 22:07:16 INFO - PID 5542 | ++DOMWINDOW == 22 (0x7f22284c5000) [pid = 5605] [serial = 76] [outer = 0x7f22296c7c00] [task 2018-05-23T22:07:16.508Z] 22:07:16 INFO - PID 5542 | ++DOMWINDOW == 23 (0x7f22284c4c00) [pid = 5605] [serial = 77] [outer = 0x7f22296c7c00] [task 2018-05-23T22:07:16.942Z] 22:07:16 INFO - PID 5542 | [Parent 5542, Main Thread] WARNING: NS_ENSURE_TRUE(aSecondURI) failed: file /builds/worker/workspace/build/src/dom/base/ThirdPartyUtil.cpp, line 98 [task 2018-05-23T22:07:17.033Z] 22:07:17 INFO - PID 5542 | [Parent 5542, Cache2 I/O] WARNING: 'NS_FAILED(aResult)', file /builds/worker/workspace/build/src/netwerk/cache2/CacheFile.cpp, line 686 [task 2018-05-23T22:07:17.049Z] 22:07:17 INFO - PID 5542 | [GMP 6156, Main Thread] WARNING: NS_ENSURE_TRUE(InitStaticMembers()) failed: file /builds/worker/workspace/build/src/modules/libpref/Preferences.cpp, line 4290 [task 2018-05-23T22:07:17.126Z] 22:07:17 ERROR - PID 5542 | thread 'WRRenderBackend#1' panicked at 'assertion failed: info.ignore_missing_pipeline', gfx/webrender/src/display_list_flattener.rs:559:17 [task 2018-05-23T22:07:17.127Z] 22:07:17 INFO - PID 5542 | stack backtrace: [task 2018-05-23T22:07:17.146Z] 22:07:17 INFO - PID 5542 | [Child 5605, MediaPlayback #1] WARNING: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /builds/worker/workspace/build/src/dom/media/MediaFormatReader.cpp, line 2144 [task 2018-05-23T22:07:17.146Z] 22:07:17 INFO - PID 5542 | [Child 5605, MediaPlayback #1] WARNING: Decoder=7f2235a4f980 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - RefPtr<mozilla::MozPromise<RefPtr<mozilla::MediaTrackDemuxer::SamplesHolder>, mozilla::MediaResult, true> > mozilla::MediaSourceTrackDemuxer::DoGetSamples(int32_t): manager is detached.: file /builds/worker/workspace/build/src/dom/media/MediaDecoderStateMachine.cpp, line 3411 [task 2018-05-23T22:07:17.173Z] 22:07:17 INFO - . [task 2018-05-23T22:07:17.173Z] 22:07:17 INFO - TEST-OK | /encrypted-media/clearkey-mp4-setmediakeys-again-after-playback.https.html | took 2024ms [task 2018-05-23T22:07:17.174Z] 22:07:17 INFO - TEST-START | /encrypted-media/clearkey-mp4-setmediakeys-again-after-resetting-src.https.html [task 2018-05-23T22:07:17.292Z] 22:07:17 INFO - PID 5542 | ++DOCSHELL 0x7f22297cf000 == 7 [pid = 5605] [id = {38b46be2-d425-4196-a239-d7abb300a703}] [task 2018-05-23T22:07:17.292Z] 22:07:17 INFO - PID 5542 | ++DOMWINDOW == 24 (0x7f22296c7e00) [pid = 5605] [serial = 78] [outer = (nil)] [task 2018-05-23T22:07:17.333Z] 22:07:17 INFO - PID 5542 | ++DOMWINDOW == 25 (0x7f22285a9000) [pid = 5605] [serial = 79] [outer = 0x7f22296c7e00] [task 2018-05-23T22:07:17.844Z] 22:07:17 INFO - PID 5542 | 0: 0x7f5ac28c3c6b - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb98fbe643b37b8bb [task 2018-05-23T22:07:17.844Z] 22:07:17 INFO - PID 5542 | 1: 0x7f5ac28d518e - std::sys_common::backtrace::print::ha7844e468550fcb9 [task 2018-05-23T22:07:17.845Z] 22:07:17 INFO - PID 5542 | 2: 0x7f5ac28b43e0 - std::panicking::default_hook::{{closure}}::h83c090f00cd2917d [task 2018-05-23T22:07:17.845Z] 22:07:17 INFO - PID 5542 | 3: 0x7f5ac28b3f1c - std::panicking::default_hook::hf9722061a353cd29 [task 2018-05-23T22:07:17.845Z] 22:07:17 INFO - PID 5542 | 4: 0x7f5ac28b4865 - std::panicking::rust_panic_with_hook::h574be4fada9826dc [task 2018-05-23T22:07:17.846Z] 22:07:17 INFO - PID 5542 | 5: 0x7f5ac2771131 - <unknown> [task 2018-05-23T22:07:17.846Z] 22:07:17 INFO - PID 5542 | Redirecting call to abort() to mozalloc_abort [task 2018-05-23T22:07:17.847Z] 22:07:17 INFO - PID 5542 | Hit MOZ_CRASH() at /builds/worker/workspace/build/src/memory/mozalloc/mozalloc_abort.cpp:34 [task 2018-05-23T22:07:17.848Z] 22:07:17 INFO - PID 5542 | ExceptionHandler::GenerateDump cloned child 6177 [task 2018-05-23T22:07:17.849Z] 22:07:17 INFO - PID 5542 | ExceptionHandler::SendContinueSignalToChild sent continue signal to child [task 2018-05-23T22:07:17.850Z] 22:07:17 INFO - PID 5542 | ExceptionHandler::WaitForContinueSignal waiting for continue signal... [task 2018-05-23T22:07:18.039Z] 22:07:18 INFO - PID 5542 | Hit MOZ_CRASH(Aborting on channel error.) at /builds/worker/workspace/build/src/ipc/glue/MessageChannel.cpp:2550 [task 2018-05-23T22:07:18.041Z] 22:07:18 INFO - PID 5542 | ###!!! [Child][MessageChannel] Error: (msgtype=0x3C0006,name=PGMP::Msg_PGMPContentChildDestroyed) Channel error: cannot send/recv [task 2018-05-23T22:07:18.042Z] 22:07:18 INFO - mozcrash Downloading symbols from: https://queue.taskcluster.net/v1/task/L8f1kOm_Szej70opWM6j3w/artifacts/public/build/target.crashreporter-symbols.zip [task 2018-05-23T22:07:18.179Z] 22:07:18 INFO - PID 5542 | #01: mozilla::ipc::ProcessLink::OnChannelError() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.180Z] 22:07:18 INFO - PID 5542 | #02: event_process_active_single_queue (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.181Z] 22:07:18 INFO - PID 5542 | #03: event_base_loop (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.185Z] 22:07:18 INFO - PID 5542 | #04: base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.193Z] 22:07:18 INFO - PID 5542 | #05: MessageLoop::RunInternal() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.194Z] 22:07:18 INFO - PID 5542 | #06: MessageLoop::Run() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.198Z] 22:07:18 INFO - PID 5542 | #07: base::Thread::ThreadMain() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.206Z] 22:07:18 INFO - PID 5542 | #08: ThreadFunc(void*) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.254Z] 22:07:18 INFO - PID 5542 | #09: start_thread (/build/glibc-Cl5G7W/glibc-2.23/nptl/pthread_create.c:333) [task 2018-05-23T22:07:18.255Z] 22:07:18 INFO - PID 5542 | Assertion failure: aWhy == AbnormalShutdown, at /builds/worker/workspace/build/src/dom/media/gmp/ChromiumCDMParent.cpp:885 [task 2018-05-23T22:07:18.255Z] 22:07:18 INFO - PID 5542 | Hit MOZ_CRASH(Aborting on channel error.) at /builds/worker/workspace/build/src/ipc/glue/MessageChannel.cpp:2550 [task 2018-05-23T22:07:18.259Z] 22:07:18 INFO - PID 5542 | #01: mozilla::gmp::PGMPContentParent::DestroySubtree(mozilla::ipc::IProtocol::ActorDestroyReason) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:18.259Z] 22:07:18 INFO - PID 5542 | #01: mozilla::ipc::ProcessLink::OnChannelError() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.506Z] 22:07:23 INFO - PID 5542 | #10: __clone (/build/glibc-Cl5G7W/glibc-2.23/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:111) [task 2018-05-23T22:07:23.507Z] 22:07:23 INFO - PID 5542 | #11: ??? (???:???) [task 2018-05-23T22:07:23.508Z] 22:07:23 INFO - PID 5542 | #02: mozilla::gmp::PGMPContentParent::OnChannelClose() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.510Z] 22:07:23 INFO - PID 5542 | ###!!! [Child][MessageChannel::SendAndWait] Error: Channel error: cannot send/recv [task 2018-05-23T22:07:23.512Z] 22:07:23 INFO - PID 5542 | IPDL protocol error: constructor for actor failed [task 2018-05-23T22:07:23.512Z] 22:07:23 INFO - PID 5542 | Hit MOZ_CRASH(IPDL error: "constructor for actor failed". abort()ing as a result.) at /builds/worker/workspace/build/src/ipc/glue/ProtocolUtils.cpp:300 [task 2018-05-23T22:07:23.512Z] 22:07:23 INFO - PID 5542 | #02: event_process_active_single_queue (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.513Z] 22:07:23 INFO - PID 5542 | #03: event_base_loop (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.514Z] 22:07:23 INFO - PID 5542 | #04: base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.514Z] 22:07:23 INFO - PID 5542 | #05: MessageLoop::RunInternal() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.514Z] 22:07:23 INFO - PID 5542 | #06: MessageLoop::Run() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.518Z] 22:07:23 INFO - PID 5542 | #07: base::Thread::ThreadMain() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.518Z] 22:07:23 INFO - PID 5542 | #08: ThreadFunc(void*) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.518Z] 22:07:23 INFO - PID 5542 | #09: start_thread (/build/glibc-Cl5G7W/glibc-2.23/nptl/pthread_create.c:333) [task 2018-05-23T22:07:23.522Z] 22:07:23 INFO - PID 5542 | #03: mozilla::ipc::MessageChannel::OnNotifyMaybeChannelError() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.530Z] 22:07:23 INFO - PID 5542 | #04: mozilla::detail::RunnableMethodImpl<mozilla::ipc::MessageChannel*, void (mozilla::ipc::MessageChannel::*)(), false, (mozilla::RunnableKind)1>::Run() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.534Z] 22:07:23 INFO - PID 5542 | #05: nsThread::ProcessNextEvent(bool, bool*) [clone .part.288] (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.542Z] 22:07:23 INFO - PID 5542 | #06: NS_ProcessNextEvent(nsIThread*, bool) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.545Z] 22:07:23 INFO - PID 5542 | #07: mozilla::ipc::MessagePumpForNonMainThreads::Run(base::MessagePump::Delegate*) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.546Z] 22:07:23 INFO - PID 5542 | #08: MessageLoop::RunInternal() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.546Z] 22:07:23 INFO - PID 5542 | #09: MessageLoop::Run() (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.550Z] 22:07:23 INFO - PID 5542 | #10: nsThread::ThreadFunc(void*) (/builds/worker/workspace/build/application/firefox/libxul.so) [task 2018-05-23T22:07:23.551Z] 22:07:23 INFO - PID 5542 | #10: __clone (/build/glibc-Cl5G7W/glibc-2.23/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:111) [task 2018-05-23T22:07:23.552Z] 22:07:23 INFO - PID 5542 | #11: ??? (???:???) [task 2018-05-23T22:07:23.612Z] 22:07:23 INFO - PID 5542 | #11: _pt_root (/builds/worker/workspace/build/application/firefox/libnspr4.so) [task 2018-05-23T22:07:23.613Z] 22:07:23 INFO - PID 5542 | #12: start_thread (/build/glibc-Cl5G7W/glibc-2.23/nptl/pthread_create.c:333) [task 2018-05-23T22:07:23.613Z] 22:07:23 INFO - PID 5542 | #13: __clone (/build/glibc-Cl5G7W/glibc-2.23/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:111) [task 2018-05-23T22:07:23.613Z] 22:07:23 INFO - PID 5542 | #14: ??? (???:???) [task 2018-05-23T22:07:25.885Z] 22:07:25 INFO - mozcrash Copy/paste: /usr/local/bin/linux64-minidump_stackwalk /tmp/tmpYEPkMz.mozrunner/minidumps/46b113cd-ae08-d077-087a-fc660b7b6363.dmp /tmp/tmpNQhoBc [task 2018-05-23T22:07:33.415Z] 22:07:33 INFO - mozcrash Saved minidump as /builds/worker/workspace/build/blobber_upload_dir/46b113cd-ae08-d077-087a-fc660b7b6363.dmp [task 2018-05-23T22:07:33.416Z] 22:07:33 INFO - mozcrash Saved app info as /builds/worker/workspace/build/blobber_upload_dir/46b113cd-ae08-d077-087a-fc660b7b6363.extra [task 2018-05-23T22:07:33.582Z] 22:07:33 INFO - PROCESS-CRASH | /encrypted-media/clearkey-mp4-setmediakeys-again-after-resetting-src.https.html | application crashed [@ mozalloc_abort] [task 2018-05-23T22:07:33.582Z] 22:07:33 INFO - Crash dump filename: /tmp/tmpYEPkMz.mozrunner/minidumps/46b113cd-ae08-d077-087a-fc660b7b6363.dmp [task 2018-05-23T22:07:33.583Z] 22:07:33 INFO - Operating system: Linux [task 2018-05-23T22:07:33.583Z] 22:07:33 INFO - 0.0.0 Linux 4.4.0-1014-aws #14taskcluster1-Ubuntu SMP Tue Apr 3 10:27:00 UTC 2018 x86_64 [task 2018-05-23T22:07:33.584Z] 22:07:33 INFO - CPU: amd64 [task 2018-05-23T22:07:33.584Z] 22:07:33 INFO - family 6 model 62 stepping 4 [task 2018-05-23T22:07:33.584Z] 22:07:33 INFO - 4 CPUs [task 2018-05-23T22:07:33.584Z] 22:07:33 INFO - [task 2018-05-23T22:07:33.584Z] 22:07:33 INFO - GPU: UNKNOWN [task 2018-05-23T22:07:33.585Z] 22:07:33 INFO - [task 2018-05-23T22:07:33.585Z] 22:07:33 INFO - Crash reason: SIGSEGV [task 2018-05-23T22:07:33.585Z] 22:07:33 INFO - Crash address: 0x0 [task 2018-05-23T22:07:33.585Z] 22:07:33 INFO - Process uptime: not available [task 2018-05-23T22:07:33.586Z] 22:07:33 INFO - [task 2018-05-23T22:07:33.586Z] 22:07:33 INFO - Thread 47 (crashed) [task 2018-05-23T22:07:33.586Z] 22:07:33 INFO - 0 firefox!mozalloc_abort [mozalloc_abort.cpp:cbf4d07d0e1412451c1c2543122212ea724d9233 : 34 + 0x5] [task 2018-05-23T22:07:33.586Z] 22:07:33 INFO - rax = 0x0000000000000000 rdx = 0x0000000000000000 [task 2018-05-23T22:07:33.586Z] 22:07:33 INFO - rcx = 0x00007f5ad04a42dd rbx = 0x00007f5ad0772700 [task 2018-05-23T22:07:33.587Z] 22:07:33 INFO - rsi = 0x00007f5ad0773770 rdi = 0x00007f5ad0772540 [task 2018-05-23T22:07:33.587Z] 22:07:33 INFO - rbp = 0x00007f5a999f6c70 rsp = 0x00007f5a999f6c60 [task 2018-05-23T22:07:33.587Z] 22:07:33 INFO - r8 = 0x00007f5ad0773770 r9 = 0x00007f5a999fe700 [task 2018-05-23T22:07:33.588Z] 22:07:33 INFO - r10 = 0x0000000000000058 r11 = 0x00007f5ad041a7a0 [task 2018-05-23T22:07:33.588Z] 22:07:33 INFO - r12 = 0x00007f5ac4059f50 r13 = 0x000000000000002b [task 2018-05-23T22:07:33.588Z] 22:07:33 INFO - r14 = 0x000000000000022f r15 = 0x0000000000000011 [task 2018-05-23T22:07:33.588Z] 22:07:33 INFO - rip = 0x000000000041c0a4 [task 2018-05-23T22:07:33.588Z] 22:07:33 INFO - Found by: given as instruction pointer in context [task 2018-05-23T22:07:33.589Z] 22:07:33 INFO - 1 firefox!abort [mozalloc_abort.cpp:cbf4d07d0e1412451c1c2543122212ea724d9233 : 81 + 0x5] [task 2018-05-23T22:07:33.590Z] 22:07:33 INFO - rbx = 0x0000000000000001 rbp = 0x00007f5a999f6c80 [task 2018-05-23T22:07:33.591Z] 22:07:33 INFO - rsp = 0x00007f5a999f6c80 r12 = 0x00007f5ac4059f50 [task 2018-05-23T22:07:33.591Z] 22:07:33 INFO - r13 = 0x000000000000002b r14 = 0x000000000000022f [task 2018-05-23T22:07:33.593Z] 22:07:33 INFO - r15 = 0x0000000000000011 rip = 0x000000000041c07a [task 2018-05-23T22:07:33.593Z] 22:07:33 INFO - Found by: call frame info [task 2018-05-23T22:07:33.593Z] 22:07:33 INFO - 2 libxul.so!panic_abort::__rust_start_panic [lib.rs:4d90ac38c0b61bb69470b61ea2cccea0df48d9e5 : 59 + 0x5] [task 2018-05-23T22:07:33.593Z] 22:07:33 INFO - rbx = 0x0000000000000001 rbp = 0x00007f5a999f6c90 [task 2018-05-23T22:07:33.594Z] 22:07:33 INFO - rsp = 0x00007f5a999f6c90 r12 = 0x00007f5ac4059f50 [task 2018-05-23T22:07:33.594Z] 22:07:33 INFO - r13 = 0x000000000000002b r14 = 0x000000000000022f [task 2018-05-23T22:07:33.595Z] 22:07:33 INFO - r15 = 0x0000000000000011 rip = 0x00007f5ac28ee249 [task 2018-05-23T22:07:33.595Z] 22:07:33 INFO - Found by: call frame info [task 2018-05-23T22:07:33.596Z] 22:07:33 INFO - 3 libxul.so!std::panicking::rust_panic [panicking.rs:4d90ac38c0b61bb69470b61ea2cccea0df48d9e5 : 608 + 0x9] [task 2018-05-23T22:07:33.596Z] 22:07:33 INFO - rbp = 0x00007f5a999f6cf0 rsp = 0x00007f5a999f6ca0 [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - rip = 0x00007f5ac28b495d [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - Found by: previous frame's frame pointer [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - 4 libxul.so!std::panicking::rust_panic_with_hook [panicking.rs:4d90ac38c0b61bb69470b61ea2cccea0df48d9e5 : 593 + 0xd] [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - rbp = 0x00007f5a999f6d80 rsp = 0x00007f5a999f6d00 [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - rip = 0x00007f5ac28b48c8 [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - Found by: call frame info [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - 5 libxul.so!std::panicking::begin_panic<&str> [panicking.rs:4d90ac38c0b61bb69470b61ea2cccea0df48d9e5 : 538 + 0x12] [task 2018-05-23T22:07:33.597Z] 22:07:33 INFO - rbx = 0x00007f5ac405a150 rbp = 0x00007f5a999f6dd0 [task 2018-05-23T22:07:33.598Z] 22:07:33 INFO - rsp = 0x00007f5a999f6d90 r12 = 0x0000000000000004 [task 2018-05-23T22:07:33.598Z] 22:07:33 INFO - r13 = 0xb4b954da70d88f61 r14 = 0x00007f5ac536d5a0 [task 2018-05-23T22:07:33.598Z] 22:07:33 INFO - r15 = 0x000000000000002e rip = 0x00007f5ac2771132 [task 2018-05-23T22:07:33.598Z] 22:07:33 INFO - Found by: call frame info [task 2018-05-23T22:07:33.598Z] 22:07:33 INFO - 6 libxul.so!webrender::display_list_flattener::DisplayListFlattener::flatten_item [display_list_flattener.rs:cbf4d07d0e1412451c1c2543122212ea724d9233 : 559 + 0x22] [task 2018-05-23T22:07:33.599Z] 22:07:33 INFO - rbp = 0x00007f5a999f7840 rsp = 0x00007f5a999f6de0 [task 2018-05-23T22:07:33.599Z] 22:07:33 INFO - rip = 0x00007f5ac271e13f [task 2018-05-23T22:07:33.600Z] 22:07:33 INFO - Found by: previous frame's frame pointer [task 2018-05-23T22:07:33.600Z] 22:07:33 INFO - 7 libxul.so!webrender::display_list_flattener::DisplayListFlattener::flatten_item [display_list_flattener.rs:cbf4d07d0e1412451c1c2543122212ea724d9233 : 386 + 0x16] [task 2018-05-23T22:07:33.600Z] 22:07:33 INFO - rbp = 0x00007f5a999f82b0 rsp = 0x00007f5a999f7850 [task 2018-05-23T22:07:33.600Z] 22:07:33 INFO - rip = 0x00007f5ac2721dc2 [task 2018-05-23T22:07:33.601Z] 22:07:33 INFO - Found by: previous frame's frame pointer [task 2018-05-23T22:07:33.602Z] 22:07:33 INFO - 8 libxul.so!webrender::display_list_flattener::DisplayListFlattener::flatten_root [display_list_flattener.rs:cbf4d07d0e1412451c1c2543122212ea724d9233 : 386 + 0x15] [task 2018-05-23T22:07:33.602Z] 22:07:33 INFO - rbp = 0x00007f5a999f8730 rsp = 0x00007f5a999f82c0 [task 2018-05-23T22:07:33.602Z] 22:07:33 INFO - rip = 0x00007f5ac271db7b [task 2018-05-23T22:07:33.602Z] 22:07:33 INFO - Found by: previous frame's frame pointer [task 2018-05-23T22:07:33.603Z] 22:07:33 INFO - 9 libxul.so!webrender::display_list_flattener::DisplayListFlattener::flatten_item [display_list_flattener.rs:cbf4d07d0e1412451c1c2543122212ea724d9233 : 600 + 0xb] [task 2018-05-23T22:07:33.603Z] 22:07:33 INFO - rbp = 0x00007f5a999f91a0 rsp = 0x00007f5a999f8740 [task 2018-05-23T22:07:33.604Z] 22:07:33 INFO - rip = 0x00007f5ac2724063 [task 2018-05-23T22:07:33.604Z] 22:07:33 INFO - Found by: previous frame's frame pointer [task 2018-05-23T22:07:33.604Z] 22:07:33 INFO - 10 libxul.so!webrender::display_list_flattener::DisplayListFlattener::flatten_item [display_list_flattener.rs:cbf4d07d0e1412451c1c2543122212ea724d9233 : 386 + 0x16] [task 2018-05-23T22:07:33.604Z] 22:07:33 INFO - rbp = 0x00007f5a999f9c10 rsp = 0x00007f5a999f91b0 [task 2018-05-23T22:07:33.604Z] 22:07:33 INFO - rip = 0x00007f5ac2721dc2 [task 2018-05-23T22:07:33.605Z] 22:07:33 INFO - Found by: previous frame's frame pointer