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

[russellsayshi]

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

URL:

Servo Version:

Servo 0.0.1-697e197

Backtrace:

WARNING: <Constellation>: Closing frame FrameId { namespace_id: PipelineNamespaceId(63), index: FrameIndex(9) } twice.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(10) }>: stop_parsing not implemented, full speed ahead!
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: FIXME: </script> not fully implemented
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(1) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(1) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(1) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(4) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(4) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(4) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(7) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(11) }>: stop_parsing not implemented, full speed ahead!
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }/PipelineId { namespace_id: PipelineNamespaceId(63), index: PipelineIndex(7) } closed.
WARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(15) }>: Mozbrowser event after iframe PipelineId { namespace_id: PipelineNames
...

This report was generated by the browser.html issue reporter.

[emilio]

Hi, thanks for reporting this, do you know in which url were you? Otherwise it's going to be really hard to duplicate.

[jdm]

http://www.bloomberg.com/news/articles/2016-10-18/outspending-wall-street-2-to-1-silicon-valley-takes-washington was one URL from #13824.

[jdm]

I believe I was clicking on the back button multiple times on Ars Technica when I got this error report.

from #13859.

[cbrewster]

Sound like this may be an issue with history traversal.

[emilio]

Closing this as a dupe of #13716, which was filled before and also contains relevant info and STR.