Bugzilla

The channel is getting cancelled in HttpChannelChild::DoOnStartRequest

{
  "start": 499546223.6755594,
  "end": null,
  "name": "LogMessages",
  "category": 1,
  "threadId": null,
  "data": {
    "type": "Log",
    "module": "nsHttp",
    "name": "HttpChannelChild::Cancel [this=1a5f5463200, status=80004004]\n"
  }
}

The content type is application/vnd.apple.mpegurl and Firefox doesn't know how to display it.

The channel is getting cancelled in HttpChannelChild::DoOnStartRequest [here](https://searchfox.org/mozilla-central/rev/26a98a7ba56f315df146512c43449412f0592942/netwerk/protocol/http/HttpChannelChild.cpp#590,597)

The content type is application/vnd.apple.mpegurl and Firefox doesn't know how to display it, or the listener just returns 80004004 - NS_ERROR_ABORT from OnStartRequest