[Bug 226878] Re: [MASTER] Firefox freezes often

[Mike Trim]

I am experiencing what appears to be this bug with 3.0.11+build2
+nobinonly-0ubuntu0.9.04.1 on jaunty.  Often (not always) when opening
links, switching tabs or scrolling Firefox locks up and uses 100% of one
core for several seconds.  This may be exacerbated by me having
approximately 50 tabs open at the moment.

After these freezes occur, an error is output on the error console,
which says "too much recursion", and references line 1909 of
nsSessionStore.js:

  saveState: function sss_saveState(aUpdateAll) {
    // if crash recovery is disabled, only save session resuming information
    if (!this._resume_from_crash && this._loadState == STATE_RUNNING)
      return;
    
    this._dirty = aUpdateAll;
    var oState = this._getCurrentState();
    oState.session = { state: ((this._loadState == STATE_RUNNING) ? STATE_RUNNING_STR : STATE_STOPPED_STR) };
>>>    this._writeFile(this._sessionFile, oState.toSource());
    this._lastSaveTime = Date.now();
  },

Sometimes I instead/also get the following message, which references the same line:
Error: [Exception... "Component is not available"  nsresult: "0x80040111 (NS_ERROR_NOT_AVAILABLE)"  location: "JS frame :: file:///usr/lib/firefox-3.0.11/components/nsSessionStore.js :: sss_saveState :: line 1909"  data: no]
Source File: file:///usr/lib/firefox-3.0.11/components/nsSessionStore.js
Line: 1909

-- 
[MASTER] Firefox freezes often
https://bugs.launchpad.net/bugs/226878
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