what means it that firefox keeps greying out?

[Matt Morgan]

On Wed, May 12, 2010 at 9:11 AM, J <dreadpiratejeff at gmail.com> wrote:

> On Wed, May 12, 2010 at 08:43, Pat Brown <pat.mysterywriter at gmail.com>
> wrote:
> > On Wed, May 12, 2010 at 6:30 AM, Robert P. J. Day <rpjday at crashcourse.ca
> >
> > wrote:
> >>  i'm not sure if this is related to my running a 2.6.34-rc7 kernel
> >> but, recently (within the last day or so), i've had my firefox session
> >> suddenly go dim/grey, and become totally unresponsive.  it *appears*
> >> to be related to when it's trying to load a page, but i've never seen
> >> this behaviour before on any distro.
> >>
> >>  in some cases, if i just wait, it will come back; in other cases,
> >> it's a lost cause and i have to kill firefox.  in an extreme case, i
> >> had to power down the entire machine and reboot.
> >>
> >>  anyone else seeing this?  thoughts?
> > Mine does that all the time. I run System Monitor all the time and when
> that
> > happens I go to the monitor and Firefox is always hogging around 300 MB
> of
> > Memory and is Uninterruptable. I notice it happens more when I have
> Facebook
> > open. Since Facebook is a live feed, it updates constantly and I think
> > that's what hogs the memory.
> >
> > I figured it was the low memory I have on my laptop. I have less than 500
> MB
> > of Memory
>
> See my post... the key is uninterruptable...
>
> As memory usage grows across your open apps, as well as CPU usage,
> this will happen.  I can usually get it to happen across many apps,
> especially when I have FF open with several tabs as well as other apps
> based on Java or other such environments.
>
> It used to be the application in question (whatever it is that's in an
> uninterruptable state) would do nothing, and appear hung when it was
> just waiting on IO or queued, or who knows what.  Somewhere in the
> recent past, the window darkening feature was added so you'd at least
> have some indication that the app is "on hold".
>
> I have no idea exactly when that was added in, other than within the
> last few years though :(
>
> Jeff
>

Does anyone know what part of the system is causing the graying out? Is it
Gnome, is it some Ubuntu-special? I'd like to make it stop.

Thanks
Matt
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