[Bug 1606763] Re: Recently, when FF starts up, not all of the restored windows/tabs are the most recent ones.

[Scott Cowles Jacobs]

Well, things are now even worse...

Today, I got the "Well, this is embarrasing..." window/tab restore window.
I have had it many times over the years (not too much lately, which is odd, as
I believe FF crashes on exit every time now...).  I just click on restore, and all
windows/tabs come up just fine.

This time was apparently no different.

However, after I did I checked my email, i suddenly noticed that I had
only four FF windows, instead of the usual ten or eleven.

I pulled up the profile directory and session store backups directories,
as I have been doing every session lately, and noted that the
recovery.js/.bak files (created for this session upon startup, as usual)
were only 4.8MB in size.  My previous.js was as expected, about 23MB.

I tried to get my tabs back (admittedly 2 weeks old, as previous.js was dated August 16).
I shut down FF, deleted recovery.js, copied previous.js to recovery.js and restarted FF.

BIG mistake - I should have copied previous.js TWICE, once to something
FF would not have recognized...

When FF restarted, it was again only 4 windows, again only about 4.8MB.
And NOW, the previous.js file was dated today, and was only about 4.8MB.

Where the hell is FF getting its windows/tabs info??!!??

It sure wasn't getting it from the recovery.js file after I copied previous.js to it, as it had been 23MB.
It wasn't sessionstore.js, as I have yet to see anything labelled that(or cleanBackup) in either my profile directory or its sessionstore-backups directory since before I started this bug.
And yes, I did check -  both when FF was running, and when it was not running.

[I suppose it's too late, but if anyone has any idea how to get back all
my windows/tabs, I would be very grateful to hear it...  Perhaps some
temporary file, or trash directory - I did check tmp and my Trash -
nothing obvious there...]

By the way - is there any way of having FF take a running session and
making a session store file somewhere on demand (hopefully with the
ability to name it myself) so that I can copy it for disasters like
this?

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Title:
  Recently, when FF starts up, not all of the restored windows/tabs are
  the most recent ones.

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