188161 2018-07-30 03:58:55 -0700 [WPE] Missing context-lost callback causing ASSERTs 2020-05-19 00:29:56 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED LayoutTestFailure P2 Normal --- 1 zan webkit-unassigned oldest_to_newest 1446188 0 zan 2018-07-30 03:58:55 -0700 The following two tests assert in debug mode due to non-existent context-lost callback: - fast/canvas/webgl/context-lost-restored.html - fast/canvas/webgl/WebGLContextEvent.html Backtrace: STDERR: ASSERTION FAILED: m_contextLostCallback STDERR: /home/buildbot/wpe/wpe-linux-64-debug/build/Source/WebCore/platform/graphics/opengl/Extensions3DOpenGLES.cpp(197) : virtual int WebCore::Extensions3DOpenGLES::getGraphicsResetStatusARB() STDERR: 1 0x7fe63b9af975 WTFCrash STDERR: 2 0x7fe63a6386c8 WebCore::Extensions3DOpenGLES::getGraphicsResetStatusARB() STDERR: 3 0x7fe63a329128 WebCore::WebGLRenderingContextBase::maybeRestoreContext() STDERR: 4 0x7fe63a339640 void std::__invoke_impl<void, void (WebCore::WebGLRenderingContextBase::* const&)(), WebCore::WebGLRenderingContextBase*&>(std::__invoke_memfun_deref, void (WebCore::WebGLRenderingContextBase::* const&)(), WebCore::WebGLRenderingContextBase*&) STDERR: 5 0x7fe63a3395cd std::result_of<void (WebCore::WebGLRenderingContextBase::* const&(WebCore::WebGLRenderingContextBase*&))()>::type std::__invoke<void (WebCore::WebGLRenderingContextBase::* const&)(), WebCore::WebGLRenderingContextBase*&>(void (WebCore::WebGLRenderingContextBase::* const&)(), WebCore::WebGLRenderingContextBase*&) STDERR: 6 0x7fe63a33957e decltype (__invoke((*this)._M_pmf, (forward<WebCore::WebGLRenderingContextBase*&>)({parm#1}))) std::_Mem_fn_base<void (WebCore::WebGLRenderingContextBase::*)(), true>::operator()<WebCore::WebGLRenderingContextBase*&>(WebCore::WebGLRenderingContextBase*&) const STDERR: 7 0x7fe63a33952c void std::_Bind<std::_Mem_fn<void (WebCore::WebGLRenderingContextBase::*)()> (WebCore::WebGLRenderingContextBase*)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) STDERR: 8 0x7fe63a3394a6 void std::_Bind<std::_Mem_fn<void (WebCore::WebGLRenderingContextBase::*)()> (WebCore::WebGLRenderingContextBase*)>::operator()<, void>() STDERR: 9 0x7fe63a33947a WTF::Function<void ()>::CallableWrapper<std::_Bind<std::_Mem_fn<void (WebCore::WebGLRenderingContextBase::*)()> (WebCore::WebGLRenderingContextBase*)> >::call() STDERR: 10 0x7fe6375bae90 WTF::Function<void ()>::operator()() const STDERR: 11 0x7fe6375ca116 WebCore::Timer::fired() STDERR: 12 0x7fe6399a3ea8 WebCore::ThreadTimers::sharedTimerFiredInternal() STDERR: 13 0x7fe6399a39cd STDERR: 14 0x7fe6399ae566 STDERR: 15 0x7fe6375bae90 WTF::Function<void ()>::operator()() const STDERR: 16 0x7fe639982511 WebCore::MainThreadSharedTimer::fired() STDERR: 17 0x7fe6399867e4 WTF::RunLoop::Timer<WebCore::MainThreadSharedTimer>::fired() STDERR: 18 0x7fe63ba2fb8d STDERR: 19 0x7fe63ba2fbe5 STDERR: 20 0x7fe63ba2f310 STDERR: 21 0x7fe63ba2f33f STDERR: 22 0x7fe6290d47aa g_main_context_dispatch STDERR: 23 0x7fe6290d4b38 STDERR: 24 0x7fe6290d4e52 g_main_loop_run STDERR: 25 0x7fe63ba2f84d WTF::RunLoop::run() STDERR: 26 0x7fe637f4d4ab int WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain>(int, char**) STDERR: 27 0x7fe637f4d143 WebProcessMainUnix STDERR: 28 0x55d36e85ed9b main STDERR: 29 0x7fe62815a2e1 __libc_start_main STDERR: 30 0x55d36e85ec1a _start STDERR: LEAK: 1 WebPageProxy 1446190 1 zan 2018-07-30 04:14:13 -0700 (In reply to Zan Dobersek from comment #0) > The following two tests assert in debug mode due to non-existent > context-lost callback: > > - fast/canvas/webgl/context-lost-restored.html > - fast/canvas/webgl/WebGLContextEvent.html Also: - webgl/1.0.2/conformance/context/context-lost-restored.html 1653936 2 zan 2020-05-19 00:29:56 -0700 No longer a problem.