[tor-bugs] #23393 [Applications/Tor Browser]: All tabs often crash when closing one tab

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#23393: All tabs often crash when closing one tab
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 Reporter:  SaturnusDJ                |          Owner:  tbb-team
     Type:  defect                    |         Status:  needs_information
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-e10s                  |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by SaturnusDJ):

 Console:

 {{{
 TelemetryStopwatch: key "FX_PAGE_LOAD_MS" was already initialized
 TelemetryStopwatch.jsm:282
         this.TelemetryStopwatchImpl.start
 resource://gre/modules/TelemetryStopwatch.jsm:282:7
         this.TelemetryStopwatch.start
 resource://gre/modules/TelemetryStopwatch.jsm:136:12
         TabsProgressListener.onStateChange
 chrome://browser/content/browser.js:4852:11
         callListeners chrome://browser/content/tabbrowser.xml:506:24
         _callProgressListeners
 chrome://browser/content/tabbrowser.xml:527:13
         mTabProgressListener/<._callProgressListeners
 chrome://browser/content/tabbrowser.xml:577:22
         mTabProgressListener/<.onStateChange
 chrome://browser/content/tabbrowser.xml:762:15
         _loadURIWithFlags chrome://browser/content/browser.js:852:7
         loadURIWithFlags chrome://browser/content/tabbrowser.xml:7381:13
         loadURI/< chrome://global/content/bindings/browser.xml:120:15
         _wrapURIChangeCall
 chrome://global/content/bindings/browser.xml:49:17
         loadURI chrome://global/content/bindings/browser.xml:119:13
         reviveCrashedTab
 resource:///modules/sessionstore/SessionStore.jsm:2635:5
         reviveCrashedTab
 resource:///modules/sessionstore/SessionStore.jsm:339:12
         onxbloop-browser-crashed
 chrome://browser/content/tabbrowser.xml:5113:13
 }}}

 {{{
 TelemetryStopwatch: requesting elapsed time for nonexisting stopwatch.
 Histogram: "FX_PAGE_LOAD_MS", key: "null" TelemetryStopwatch.jsm:297
         this.TelemetryStopwatchImpl.timeElapsed
 resource://gre/modules/TelemetryStopwatch.jsm:297:7
         this.TelemetryStopwatchImpl.finish
 resource://gre/modules/TelemetryStopwatch.jsm:315:17
         this.TelemetryStopwatch.finish
 resource://gre/modules/TelemetryStopwatch.jsm:192:12
         TabsProgressListener.onStateChange
 chrome://browser/content/browser.js:4857:11
         callListeners chrome://browser/content/tabbrowser.xml:506:24
         _callProgressListeners
 chrome://browser/content/tabbrowser.xml:527:13
         mTabProgressListener/<._callProgressListeners
 chrome://browser/content/tabbrowser.xml:577:22
         mTabProgressListener/<.onStateChange
 chrome://browser/content/tabbrowser.xml:762:15
         restoreHistory
 resource:///modules/sessionstore/ContentRestore.jsm:122:5
         bound restoreHistory self-hosted:919:17
         restoreHistory chrome://browser/content/content-
 sessionStore.js:158:5
         MessageListener.receiveMessage chrome://browser/content/content-
 sessionStore.js:140:9
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/23393#comment:5>
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