going dim

Gary Kirkpatrick pegngary at gmail.com
Tue Apr 21 00:23:49 UTC 2009

On Mon, Apr 20, 2009 at 5:10 PM, Preston Kutzner <shizzlecash at gmail.com>wrote:

> 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
> The last time I had this problem FF was taking maybe 2-3% of the CPU.  I am
having a  problem at the moment, characterized not by dimming (which often
accompanies this problem) but by a typing lag, slowness in scrolling and
switching between tabs and programs, etc.

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