Comment 1 for bug 1612728

When I start firefox in a command I see some errors that maybe relevant:

$ firefox
console.error:
  Error sanitizing siteSettings
  Message: [Exception... "Component returned failure code: 0x80570016 (NS_ERROR_XPC_GS_RETURNED_FAILURE) [nsIJSCID.getService]" nsresult: "0x80570016 (NS_ERROR_XPC_GS_RETURNED_FAILURE)" location: "JS frame :: resource://gre/modules/XPCOMUtils.jsm :: XPCU_serviceLambda :: line 230" data: no]
  Stack:
    XPCU_serviceLambda@resource://gre/modules/XPCOMUtils.jsm:230:14
XPCU_defineLazyGetter/<.get@resource://gre/modules/XPCOMUtils.jsm:198:21
Sanitizer.prototype.items.siteSettings.clear<@chrome://browser/content/sanitize.js:559:15
TaskImpl_run@resource://gre/modules/Task.jsm:319:40
TaskImpl@resource://gre/modules/Task.jsm:280:3
createAsyncFunction/asyncFunction@resource://gre/modules/Task.jsm:254:14
Sanitizer.prototype._sanitize<@chrome://browser/content/sanitize.js:167:33
TaskImpl_run@resource://gre/modules/Task.jsm:319:40
TaskImpl@resource://gre/modules/Task.jsm:280:3
createAsyncFunction/asyncFunction@resource://gre/modules/Task.jsm:254:14
Sanitizer.prototype.sanitize<@chrome://browser/content/sanitize.js:68:19
TaskImpl_run@resource://gre/modules/Task.jsm:319:40
TaskImpl@resource://gre/modules/Task.jsm:280:3
createAsyncFunction/asyncFunction@resource://gre/modules/Task.jsm:254:14
sanitizeOnShutdown<@chrome://browser/content/sanitize.js:877:9
TaskImpl_run@resource://gre/modules/Task.jsm:319:40
TaskImpl@resource://gre/modules/Task.jsm:280:3
createAsyncFunction/asyncFunction@resource://gre/modules/Task.jsm:254:14
Sanitizer.onStartup<@chrome://browser/content/sanitize.js:866:11
TaskImpl_run@resource://gre/modules/Task.jsm:319:40
TaskImpl@resource://gre/modules/Task.jsm:280:3
createAsyncFunction/asyncFunction@resource://gre/modules/Task.jsm:254:14
BG__finalUIStartup@resource://app/components/nsBrowserGlue.js:723:5
BG_observe@resource://app/components/nsBrowserGlue.js:268:9

Vector smash protection is enabled.
WARNING: A blocker encountered an error while we were waiting.
          Blocker: sanitize.js: Sanitize
          Phase: Places Clients shutdown
          State: {"progress":{"cache":"cleared","cookies":"cleared","offlineApps":"blocking","history":"cleared","formdata":"blocking","downloads":"cleared","sessions":"blocking","siteSettings":"blocking"}}
WARNING: Error: Error sanitizing
WARNING: Sanitizer.prototype._sanitize<@chrome://browser/content/sanitize.js:187:13
TaskImpl_run@resource://gre/modules/Task.jsm:319:40
Handler.prototype.process@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:937:23
this.PromiseWalker.walkerLoop@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:816:7
this.PromiseWalker.scheduleWalkerLoop/<@resource://gre/modules/Promise.jsm -> resource://gre/modules/Promise-backend.js:750:11