Bug 1501562 Comment 63 Edit History

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Original comment by
on 
One thing I see in the logcats:

In passing runs with time.sleep(1), it looks like this:
```
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewContent"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewNavigation"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewSettings"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewNavigation: onLocationChange
GeckoViewSelectionAction[C]: handleEvent: visibilitychange
GeckoViewNavigation[C]: loadURI: uri=about:blank where=1 flags=0 tp=moz-nullprincipal:{9b50bd13-7c3c-46c3-8393-c01b986829be}
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
GeckoViewSettings[C]: onSettingsUpdate {"useMultiprocess":true,"chromeUri":null,"screenId":0,"userAgentOverride":null,"allowJavascript":true,"userAgentMode":0,"viewportMode":0,"useTrackingProtection":false,"suspendMediaWhenInactive":false,"usePrivateMode":false,"displayMode":0,"fullAccessibilityTree":false}
GeckoViewNavigation[C]: shouldLoadURI about:blank
GeckoViewContent[C]: handleEvent: pagehide
GeckoViewAutoFill: Clearing auto-fill
GeckoViewNavigation: onLocationChange
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
```

In failing runs without the sleep:
```
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewContent"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewNavigation"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewSettings"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewSettings[C]: onSettingsUpdate {"useMultiprocess":true,"chromeUri":null,"screenId":0,"userAgentOverride":null,"allowJavascript":true,"userAgentMode":0,"viewportMode":0,"useTrackingProtection":false,"suspendMediaWhenInactive":false,"usePrivateMode":false,"displayMode":0,"fullAccessibilityTree":false}
GeckoViewNavigation: onLocationChange
GeckoViewNavigation[C]: shouldLoadURI about:blank
GeckoViewContent[C]: handleEvent: pagehide
GeckoViewAutoFill: Clearing auto-fill
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
GeckoViewNavigation: onLocationChange
Web Content: BANANABANANABANANABANANABANANABANANA
```


Noticeable differences:
In the passing run, there's these additional lines prior to onSettingsUpdate:
```
GeckoViewNavigation: onLocationChange
GeckoViewSelectionAction[C]: handleEvent: visibilitychange
GeckoViewNavigation[C]: loadURI: uri=about:blank where=1 flags=0 tp=moz-nullprincipal:{9b50bd13-7c3c-46c3-8393-c01b986829be}
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
```

In the failing run, those are missing, but there's an onLocationChange *after* onSettingsUpdate.
Revision 1 by
on 
One thing I see in the logcats:

In passing runs with time.sleep(1), it looks like this:
```
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewContent"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewNavigation"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewSettings"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewNavigation: onLocationChange
GeckoViewSelectionAction[C]: handleEvent: visibilitychange
GeckoViewNavigation[C]: loadURI: uri=about:blank where=1 flags=0 tp=moz-nullprincipal:{9b50bd13-7c3c-46c3-8393-c01b986829be}
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
GeckoViewSettings[C]: onSettingsUpdate {"useMultiprocess":true,"chromeUri":null,"screenId":0,"userAgentOverride":null,"allowJavascript":true,"userAgentMode":0,"viewportMode":0,"useTrackingProtection":false,"suspendMediaWhenInactive":false,"usePrivateMode":false,"displayMode":0,"fullAccessibilityTree":false}
GeckoViewNavigation[C]: shouldLoadURI about:blank
GeckoViewContent[C]: handleEvent: pagehide
GeckoViewAutoFill: Clearing auto-fill
GeckoViewNavigation: onLocationChange
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
```

In failing runs without the sleep:
```
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewContent"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewNavigation"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewXUL: receiveMessage GeckoView:ContentModuleLoaded {"module":"GeckoViewSettings"}
GeckoViewModule: enableQueuing false
GeckoViewModule: dispatchQueued
GeckoViewSettings[C]: onSettingsUpdate {"useMultiprocess":true,"chromeUri":null,"screenId":0,"userAgentOverride":null,"allowJavascript":true,"userAgentMode":0,"viewportMode":0,"useTrackingProtection":false,"suspendMediaWhenInactive":false,"usePrivateMode":false,"displayMode":0,"fullAccessibilityTree":false}
GeckoViewNavigation: onLocationChange
GeckoViewNavigation[C]: shouldLoadURI about:blank
GeckoViewContent[C]: handleEvent: pagehide
GeckoViewAutoFill: Clearing auto-fill
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
GeckoViewNavigation: onLocationChange
```


Noticeable differences:
In the passing run, there's these additional lines prior to onSettingsUpdate:
```
GeckoViewNavigation: onLocationChange
GeckoViewSelectionAction[C]: handleEvent: visibilitychange
GeckoViewNavigation[C]: loadURI: uri=about:blank where=1 flags=0 tp=moz-nullprincipal:{9b50bd13-7c3c-46c3-8393-c01b986829be}
GeckoViewContent[C]: handleEvent: DOMTitleChanged
GeckoViewContent[C]: handleEvent: pageshow
```

In the failing run, those are missing, but there's an onLocationChange *after* onSettingsUpdate.

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