Thin Clients freezing in Firefox

[Bryan Quigley]

Wild guess as I'm just troubleshooting the Firefox part.  What extensions do
you have?  Does the page use flash or java?

On 9/1/07, Jim Kronebusch <jim at winonacotter.org> wrote:
>
> > Get to a shell on the thin client and run 'free'.  see if it shows
> > anything for 'Swap:'
> >
> > if it shows '0', or doesn't show the line at all, then you aren't using
> > nbd swap.
>
> I really wish the client wouldn't completely freeze, it would make for
> easier testing :-(
>
> Anyhow, nbd swap is working.  I boot the client and switch to screen 1 and
> log into the
> command line and run free:
>           Total    Used      free    shared    buffers     Cached
> Mem:      109948   109960    2988    0         0           43216
> -/+ buffers/cache: 63744     46204
> Swap      131064   0         131064
>
> Then I switch back to screen 7, log in and open firefox, free now looks
> like:
>
>           Total    Used      free    shared    buffers     Cached
> Mem:      109948   105552    4396    0         0           43376
> -/+ buffers/cache: 62176     47772
> Swap      131064   0         131064
>
> Then I load this website and quick switch to screen 1 and start madly
> doing "free" enter:
>
>
> http://www.carteretcountyschools.org/bms/teacherwebs/sdavenport/artgallery6.htm
>
> Free keeps showing increasingly large numbers and finally the client
> froze, here is the
> last output from free:
>
>           Total    Used      free    shared    buffers     Cached
> Mem:      109948   107688    2260    0         0           2840
> -/+ buffers/cache: 104848    5100
> Swap      131064   56892     74172
>
> Now this website is an extreme case, but it makes for good testing.  At
> least this
> proves Swap is getting used, so that theory is out.  But I see Cached
> memory greatly
> reduced and the buffers look like they almost immediately fill up leaving
> only 5MB or so
> free.
>
> Can anyone reproduce this, or is this problem isolated to just me and our
> system here?
>
> Crazy thing is I obviously built the server right (45 concurrent users max
> so far,
> server hardly even knew someone was logged in), but I did not expect the
> clients to end
> up being the problem.
>
> Jim
>
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