[Webkit-unassigned] [Bug 201507] [GTK] Accelerated compositing is disabled due to failure in EGL display creation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=201507

--- Comment #40 from Michael Catanzaro <mcatanzaro at gnome.org> ---
BTW this is still crashing with WebKitGTK 2.28.0, libwpe 1.6.0, wpebackend-fdo-1.6.0. It's still impossible to reproduce except when it randomly happens. The backtrace has changed a bit, it now looks like this:

#0  0x00007f50d5a5c128 in Nicosia::GC3DLayer::makeContextCurrent() (this=<optimized out>)
    at /usr/include/c++/9.2.0/bits/unique_ptr.h:352
#1  0x00007f50d5a51133 in WebCore::GraphicsContextGLOpenGL::GraphicsContextGLOpenGL(WebCore::GraphicsContextGLAttributes, WebCore::HostWindow*, WebCore::GraphicsContextGL::Destination, WebCore::GraphicsContextGLOpenGL*)
    (this=0x7f50c4ee1b80, attributes=..., destination=<optimized out>, sharedContext=<optimized out>)
    at ../Source/WebCore/platform/graphics/texmap/GraphicsContextGLTextureMapper.cpp:215
#2  0x00007f50d5a516ed in WebCore::GraphicsContextGLOpenGL::create(WebCore::GraphicsContextGLAttributes, WebCore::HostWindow*, WebCore::GraphicsContextGL::Destination) (attributes=..., hostWindow=hostWindow at entry=
    0x7f50cc194ae0, destination=destination at entry=WebCore::GraphicsContextGL::Destination::Offscreen)
    at DerivedSources/ForwardingHeaders/wtf/RefCounted.h:185
#3  0x00007f50d4fa8b77 in WebCore::WebGLRenderingContextBase::create(WebCore::CanvasBase&, WebCore::GraphicsContextGLAttributes&, WTF::String const&) (canvas=..., attributes=..., type=...)
    at ../Source/WebCore/html/canvas/WebGLRenderingContextBase.cpp:580
#4  0x00007f50d4e83bd3 in WebCore::HTMLCanvasElement::createContextWebGL(WTF::String const&, WebCore::GraphicsContextGLAttributes&&) (this=0x7f507ca94580, type=..., attrs=...) at ../Source/WebCore/html/HTMLCanvasElement.cpp:415
#5  0x00007f50d4e87552 in WebCore::HTMLCanvasElement::getContext(JSC::JSGlobalObject&, WTF::String const&, WTF::Vector<JSC::Strong<JSC::Unknown, (JSC::ShouldStrongDestructorGrabLock)0>, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>&&) (this=this at entry=0x7f507ca94580, state=..., contextId=..., arguments=...)
    at ../Source/WebCore/html/HTMLCanvasElement.cpp:283
#6  0x00007f50d439e35d in WebCore::jsHTMLCanvasElementPrototypeFunctionGetContextBody
    (throwScope=..., castedThis=0x7f5065925320, callFrame=<optimized out>, lexicalGlobalObject=0x7f50c4cea068)
    at DerivedSources/WebCore/JSHTMLCanvasElement.cpp:298
#7  0x00007f50d439e35d in WebCore::IDLOperation<WebCore::JSHTMLCanvasElement>::call<WebCore::jsHTMLCanvasElementPrototypeFunctionGetContextBody> (operationName=0x7f50d5cb7d1e "getContext", callFrame=..., lexicalGlobalObject=...)
    at ../Source/WebCore/bindings/js/JSDOMOperation.h:53
#8  0x00007f50d439e35d in WebCore::jsHTMLCanvasElementPrototypeFunctionGetContext(JSC::JSGlobalObject*, JSC::CallFrame*) (lexicalGlobalObject=0x7f50c4cea068, callFrame=<optimized out>)
    at DerivedSources/WebCore/JSHTMLCanvasElement.cpp:303
#9  0x00007f507ffff178 in  ()
#10 0x00007ffc8f222500 in  ()
#11 0x00007f50d164428f in llint_op_call () at /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
#12 0x0000000000000000 in  ()

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