On Mon, 27 Jun 2022 08:53:48 -0400
Robert Moskowitz <r...@htt-consult.com> wrote:

> And I should add that the cursor still moves around but no response
> to mouse clicks or keystrokes.  And video is frozen.
> 
> On 6/27/22 00:47, Robert Moskowitz wrote:
> > Since updates Saturday night I have been having hard lock ups.  It 
> > looks like Firefox is the trigger.
> >
> > Lenovo X140e notebook
> >
> > F35 current with all updates as of Saturday night.
> >
> > Xfce desktop
> >
> > It was really bad at first.  I finally managed to kill Firefox auto 
> > load pages by in a non-graphics session, watching what top was 
> > reporting going on in the graphics session and killing Firefox.
> >
> > Then starting Firefox and closing all my windows as they open.
> > Finally got it to start up with nothing to open.  That was this
> > morning. Things seemed to be working OK until now when I got to my
> > Hilton hotel for the night and going through their miserable portal
> > that FIrefox would not accept their cert, and then it locked again.
> >
[snip]
> > Just booted.  Updated again and only got added:
> > Anyone hear anything like this?  So far can't find anything in bugs.

I recall seeing something like this on a site that had a bunch of
javascript video players on a single page.  Click on the page and every
video activated at once.  Firefox went crazy.  When I would look in top
I would see all kinds of threads demanding CPU and the parent thread
pegging all the cores.  I haven't seen it for a while, so either I
haven't visited a page like that again, or the page got fixed, or
firefox put in some kind of governor to limit the amout of CPU that a
single page can use.

Might not be your problem, but another datapoint for you.
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