Firefox doesn't close

[Brandon Tomlinson]

Does this happen every time? My gut tells me that something like flash
or java is likely hanging on close.

perhaps related to https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/614961

On Wed, Oct 26, 2011 at 11:10 AM, Dan Healy <dfhealy at gmail.com> wrote:
> I have been using Firefox with several tabs active.  I close all of the tabs
> and close Firefox.  When I try to restart Firefox I get the following
> message:
>
> Firefox is already running, but is not responding. To open a new window, you
> must first close the existing Firefox process, or restart your system.
>
> I go to System/Administration/System Monitor and I find the following entry:
>
> Process Name  Status     % CPU   Nice   ID      Memory      Waiting Channel
>
> firefox-bin         Sleeping           0        0   3391   39.4 MiB
> futex_wait_que_me
>
> Even before I click OK on the Firefox is already ... message a new
> firefox-bin process is started.
>
> When I select a firefox-bin process on the System Monitor the End Process
> button is activated.  When I click that button all of the firefox-bin
> processes are ended and I can open the Firefox browser.
>
> Why am I getting the futex_wait_que_me Waiting Channel for the firefox-bin
> process and how do I avoid it?
>
> I am using Firefox version 3.6.23, Mozilla Firefox for Ubuntu canonical -
> 1.0, with Ubuntu 10.04
>
> Thanks,
>
> Dan Healy
>
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