assertion failed: self.suspended_since.get().is_some()

[yiwang]

assertion failed: self.suspended_since.get().is_some()

URL:

Servo Version:

Servo 0.0.1-f14e733

Backtrace:

WARNING: <LayoutThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(4) }>: update_style_for_animation: No current keyframe found for animation "gb__a" at progress 0.8492423523475857
WARNING: <LayoutThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(4) }>: update_style_for_animation: No current keyframe found for animation "gb__a" at progress 0.9346870210684646
WARNING: <Constellation>: Closing frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } twice.
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(9) }>: Message sent to closed pipeline (1,9).
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(9) }>: Message sent to closed pipeline (1,9).
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(9) }>: Message sent to closed pipeline (1,9).
WARNING: <Constellation>: Frame FrameId { namespace_id: PipelineNamespaceId(1), index: FrameIndex(7) } iterated after closure.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(9) }>: Message sent to closed pipeline (1,9).
WARNING: <Constellation>: Closing frame FrameId { namespace_id: PipelineNamespaceId(13), index: FrameIndex(2) } twice.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(8) }>
...

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[jdm]

Duplicate of #13716. Thanks for reporting it!