KDE Panel freezing when HDMI connected

[Kevin Krammer]

On Sunday, 2011-09-11, Alex Schuster 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.

Retrieving data could still be done asynchronously, KDE's networking can do 
that even in a single threaded application.

Looks like the respective applet or whatever it is using for downloading data 
is broken.

Cheers,
Kevin
-- 
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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