Filed by: kgupta [at] mozilla.com https://treeherder.mozilla.org/logviewer.html#?job_id=98730023&repo=graphics https://queue.taskcluster.net/v1/task/MVPwLlEjTnuIyPpLjYMqQg/runs/0/artifacts/public/logs/live_backing.log

Looks similar to bug 1362393. Assertion failure: mRenderTextures.Get(aExternalImageId.mHandle).get(), at /home/worker/workspace/build/src/gfx/webrender_bindings/RenderThread.cpp:247 #01: mozilla::wr::LockExternalImage [gfx/webrender_bindings/RendererOGL.cpp:22] #02: webrender_bindings::bindings::{{impl}}::lock [gfx/webrender_bindings/src/bindings.rs:575] #03: webrender::renderer::Renderer::update_texture_cache [gfx/webrender/src/renderer.rs:1446] #04: webrender::renderer::{{impl}}::render::{{closure}} [gfx/webrender/src/renderer.rs:1284] #05: webrender::profiler::TimeProfileCounter::profile<webrender::device::FrameId,closure> [gfx/webrender/src/profiler.rs:154] #06: webrender::renderer::Renderer::render [gfx/webrender/src/renderer.rs:1272] #07: mozilla::wr::RendererOGL::Render [gfx/webrender_bindings/RendererOGL.cpp:128] #08: mozilla::wr::RenderThread::UpdateAndRender [mozglue/misc/TimeStamp.h:467] #09: mozilla::wr::RenderThread::NewFrameReady [gfx/webrender_bindings/RenderThread.cpp:126] #10: mozilla::detail::RunnableMethodImpl<mozilla::wr::RenderThread*, void (mozilla::wr::RenderThread::*)(WrWindowId), true, false, WrWindowId>::Run [xpcom/threads/nsThreadUtils.h:912] #11: MessageLoop::RunTask [mfbt/RefPtr.h:62] #12: MessageLoop::DeferOrRunPendingTask [ipc/chromium/src/base/message_loop.cc:369] #13: MessageLoop::DoWork [ipc/chromium/src/base/message_loop.cc:444] #14: base::MessagePumpDefault::Run [ipc/chromium/src/base/message_pump_default.cc:37] #15: MessageLoop::RunInternal [ipc/chromium/src/base/message_loop.cc:239] #16: MessageLoop::Run [ipc/chromium/src/base/message_loop.cc:505] #17: base::Thread::ThreadMain [ipc/chromium/src/base/thread.cc:182] #18: ThreadFunc [ipc/chromium/src/base/platform_thread_posix.cc:40] #19: libpthread.so.0 + 0x76ba #20: libc.so.6 + 0x10682d

This happens a bunch on the media mochitests on linux64-qr jobs.

This bug seems to be addressed by Bug 1364302. https://brasstacks.mozilla.com/orangefactor/?display=Bug&bugid=1364499&startday=2017-05-15&endday=2017-06-16&tree=all&includefiltertype=quicksearch&includefilterdetailsexcludeResolved=false&includefilterdetailsexcludeDisabled=false&includefilterdetailsquicksearch=mRenderTextures.Get&includefilterdetailsnumbugs=0&includefilterdetailsresolvedIds=&excludefiltertype=quicksearch&excludefilterdetailsquicksearch=&excludefilterdetailsnumbugs=0&excludefilterdetailsresolvedIds=