Firefox not closing

tom tompoe at
Wed Sep 7 22:22:54 UTC 2011

I don't know how to check, but I will close a session with the sound on
a video still running.  If I try to reopen too soon, FF will announce
that a session is already running.  I click OK, watch the tray on my
desktop, and when the FF finally disappears (7-10 seconds), I can start
a new session.  If I take the time to shut down the video first, I have
no problem.  HTH

On Wed, 2011-09-07 at 14:52 -0700, NoOp wrote: 
> On 09/05/2011 12:03 PM, scott wrote:
> > I've had a problem with firefox lately. I close it and attempt to reopen 
> > it sometime later and get a message that firefox is already running. I 
> > have to do a "ps -e | grep firefox" to find the PID to kill it. It 
> > usually shows 2 instances of firefox running, one with a 'defunct' tag. 
> > I've renamed the .mozilla folder to .mozilla.old and it still happens, 
> > even with no extensions at all.
> ...
> I got those yesterday when checking FF. I've not been able to recreate
> though (I use SeaMonkey as my primary browser/mail/news client). I have
> also noticed that lately I've experienced instances of SeaMonkey still
> existing if I shutdown SeaMonkey and then immediately start to shutdown
> Ubuntu. I suspect that part of it is due to the new cache system Mozilla
> are using (many individual cache folders instead of just one) & it takes
> longer than usual to clean those out on FF or SM shutdown.
> It's also possible that some instances may get stuck in memory cache as
> well. Next time it does it I'll run memstat and see what is still there.
> BTW: FF 7 should bring some help regarding memory - see:
> <>
> I've been running SeaMonkey 2.4 Beta 1 which uses the FF 7 core, and so
> far it's been fast & lean compared to 2.3.x.
> Build identifier: Mozilla/5.0 (X11; Linux i686; rv:7.0) Gecko/20110904
> Firefox/7.0 SeaMonkey/2.4

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