Bug 1564127 Comment 4 Edit History

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Original comment by
on 
According to the version no. 7061 that is Win 7 SP1.  It seems like GPU process is available there [1], so the questions will be why it only happens on Win 7 and is it possible we just needs to check if gpuChild is nullptr, and why RDDProcessHost calls our VR process's callback [2].

[1] https://dxr.mozilla.org/mozilla-central/rev/5b91c8869f4275d2a2857114cf12fa7b7bf4190e/gfx/thebes/gfxWindowsPlatform.cpp#1647-1660
[2] https://searchfox.org/mozilla-central/rev/da3f3eaaacb6fb344fd21ac29ace2da0e33f12d3/gfx/vr/ipc/VRProcessParent.cpp#205
Revision 1 by
on 
According to the version no. 7061 that is Win 7 SP1.  It seems like GPU process is available there [1], so the questions will be why it only happens on Win 7 and is it possible we just needs to check if gpuChild is nullptr. Also why RDDProcessHost calls our VR process's callback [2].

[1] https://dxr.mozilla.org/mozilla-central/rev/5b91c8869f4275d2a2857114cf12fa7b7bf4190e/gfx/thebes/gfxWindowsPlatform.cpp#1647-1660
[2] https://searchfox.org/mozilla-central/rev/da3f3eaaacb6fb344fd21ac29ace2da0e33f12d3/gfx/vr/ipc/VRProcessParent.cpp#205
Revision 2 by
on 
According to the version no. 7061 that is Win 7 SP1.  It seems like GPU process is available there [1], so the questions will be why it only happens on Win 7 and is it possible we just needs to check if gpuChild is nullptr. Also, why RDDProcessHost calls our VR process's callback [2].

[1] https://dxr.mozilla.org/mozilla-central/rev/5b91c8869f4275d2a2857114cf12fa7b7bf4190e/gfx/thebes/gfxWindowsPlatform.cpp#1647-1660
[2] https://searchfox.org/mozilla-central/rev/da3f3eaaacb6fb344fd21ac29ace2da0e33f12d3/gfx/vr/ipc/VRProcessParent.cpp#205
Revision 3 by
on 
According to the version no. 7061 that is Win 7 SP1.  It seems like GPU process is available there [1], so the questions will be why it only happens on Win 7 and is it possible we just needs to check if gpuChild is a nullptr. Also, why RDDProcessHost calls our VR process's callback [2].

[1] https://dxr.mozilla.org/mozilla-central/rev/5b91c8869f4275d2a2857114cf12fa7b7bf4190e/gfx/thebes/gfxWindowsPlatform.cpp#1647-1660
[2] https://searchfox.org/mozilla-central/rev/da3f3eaaacb6fb344fd21ac29ace2da0e33f12d3/gfx/vr/ipc/VRProcessParent.cpp#205
Revision 4 by
on 
According to the version no. 7061 that is Win 7 SP1.  It seems like GPU process is available there [1], so the questions will be why it only happens on Win 7, is it possible we just needs to check if gpuChild is a nullptr. Also, and why RDDProcessHost calls our VR process's callback [2].

[1] https://dxr.mozilla.org/mozilla-central/rev/5b91c8869f4275d2a2857114cf12fa7b7bf4190e/gfx/thebes/gfxWindowsPlatform.cpp#1647-1660
[2] https://searchfox.org/mozilla-central/rev/da3f3eaaacb6fb344fd21ac29ace2da0e33f12d3/gfx/vr/ipc/VRProcessParent.cpp#205

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