Bug 1719400 Comment 68 Edit History

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This appears to only happen on Linux and OSX. Not on Windows (or Android). Possibly related to not having a GPU process. Doesn't matter whether it is a debug build or opt although more seem related to debug builds. We don't explicitly close CompositorManagerParent protocols on debug builds, but I don't remember why:

https://searchfox.org/mozilla-central/rev/84c1031f19b2cf8221da0850983f8d0269f6efd1/gfx/layers/ipc/CompositorManagerParent.h#25
https://searchfox.org/mozilla-central/rev/84c1031f19b2cf8221da0850983f8d0269f6efd1/gfx/layers/ipc/CompositorManagerParent.cpp#206
This appears to only happen on Linux and OSX. Not on Windows (or Android). Possibly related to not having a GPU process. Doesn't matter whether it is a debug build or opt although more seem common on debug builds. We don't explicitly close CompositorManagerParent protocols on debug builds, but I don't remember why:

https://searchfox.org/mozilla-central/rev/84c1031f19b2cf8221da0850983f8d0269f6efd1/gfx/layers/ipc/CompositorManagerParent.h#25
https://searchfox.org/mozilla-central/rev/84c1031f19b2cf8221da0850983f8d0269f6efd1/gfx/layers/ipc/CompositorManagerParent.cpp#206

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