On Sunday, September 11, 2011 2:22 PM, "Alex Schuster"
<wonko@xxxxxxxxxxxxx> wrote:
> Tim Edwards writes:
>
> > Saw something interesting in the konsole window - just before the freeze
> > ups each time there is output from the Pyweather plasma widget that
> > shows it trying to retrieve weather data from the net. Currently our
> > cable internet is out so I'm using 3G (USB tethering from the mobile
> > phone), which in our house is slow and gets an intermittent signal.
> >
> > My theory is it looks like the Pyweather widget is hanging trying to get
> > data sometimes, and this in turn hangs plasma-desktop. Which, if true,
> > is IMHO a huge design fault in plasma-desktop. Anyway I'll see if this
> > theory holds out, Pyweather's been removed and so far no freezes.
>
> Yes, that's the problem with plasma-desktoüp, it's single threaded, and
> if one plasmoid hangs, whole plasma hangs. I often had such trouble when
> using plasmoids I downloaded fron the net.
>
> I also believe it's a huge design fault, but there _are_ indeed reasons
> for doing this, having to do with speed mainly I think. I don't find the
> link right now where this was explained, but if you are interested, I
> could search and find it.
I guess there's not much point, the problem solved/design flaw worked
around by removing plasmoids that are possibly unstable. It does kind of
limit the usefulness of the whole plasma system though - anything which
might possibly hang should not be used. This particular machine is a
netbook so I expect to use it in various places where internet
connectivity is bad or non-existent.
It sucks for the users who don't know how to debug technical problems
and search on mailing lists though - no wonder there's so many posts on
forums about 'KDE freezing' or 'KDE hanging'.
Tim
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