going dim

[Preston Kutzner]

On Apr 20, 2009, at 3:33 PM, Gary Kirkpatrick wrote:

>
>
> On Thu, Apr 16, 2009 at 9:02 AM, Gary Kirkpatrick  
> <pegngary at gmail.com> wrote:
>
>
> On Thu, Apr 16, 2009 at 6:20 AM, Vincent Arnoux <vincent.arnoux at gmail.com 
> > wrote:
> On Thu, Apr 16, 2009 at 01:25, Gary Kirkpatrick <pegngary at gmail.com>  
> wrote:
> > Nope, the dimming business hit me again.  Application dimmed, CPU  
> usage went
> > to 100%, only got better after rebooting.  I have no proprietary  
> drivers
> > installed.
> >
> > gary
>
> When you write "application dimmed", do you mean the whole desktop
> darkens, or only some windows go black and white?
> When it happens, if you type control-alt-F1, log in with your usual
> user name and type "top", can you see which process goes through the
> roof?
>
> Vincent
>
> The dimming just occured while I was running FF, update manager and  
> xsensor.  Everything dimmed.  I am not sure  that it is always the  
> case that everything dims.  Did control-alt-F1 then top, FF was  
> taking maybe 7-9%, Update from 7-60%, and another program maybe  
> 5-7%.   Maybe FF jumped once or twice.  But nothing really took  
> over.  The screen undimmed of its own accord, so this was not one of  
> the those times where anything froze.
>
> gary
>
> I can add a bit more info.  Screen refresh had become very  
> sluggish.  With FF running without sound or video and Skype the  
> same, Pulse Audio was taking 20% of the CPU, FF froze after I  
> checked cpu usage.
>
> Everything was fine after I rebooted.

By any chance, did you happen to be on a site that uses Flash when FF  
froze up on you?  I don't know what the cause is, but I have had other  
computers where FF froze up while on a Flash-enabled (which is an  
oxymoron IMO, but I digress) site.  By FF freezing, I mean it winds up  
sucking up all available CPU cycles and memory to the point where the  
system becomes unusable.  Again, never figured out the cause, but the  
problem eventually just mysteriously went away for me at some point.

>
> gary
>
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