Hi,

I also have this issue with a non-responding dolphin, but it's not just
dolphin. plasma-desktop is also not responding right away (up to 10
seconds lag). Now, as posted by Bzzz on 2011-02-26, "net usershare info"
seems to be the problem (every time I get this problem, there is the
same message appering every 2-3 seconds, but thrown by plasma-desktop).

So, calling "net usershare info" directly from a terminal does result in
a waiting time of about 10 seconds (it's the default timeout of the net
command). The strange thing is, as I found out a few minutes ago, is,
that this only happens if the internet connection is at its limit. As
I'm sitting behind a slow connection right now (50kb/s -> DSL lite),
this gets really annoying.

As I see it, there are 2 problems: "net" being slow if the internet
connection is at its limit (or: why does "net" even try to get contact
to the internet if I want it to get some info from my usershare? It
doesn't if I'm not online.)

The other problem is, that some KDE programs are too dependent on
KSambaSharePrivate::getNetUserShareInfo. Why does plasma-desktop need
some samba-info when I'm moving the mouse pointer around the task bar?
And, shouldn't it be done in a separated thread at least, to not disturb
the rest of the system? The funny thing is that the error message does
not appear if my internet connection is not at limit.

In my opinion, both programs should be fixed.

Sorry for the long message, but it gets a bit frustrating here. And I'm
talking about KDE 4.6.3 on natty.

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https://bugs.launchpad.net/bugs/724360

Title:
  dolphin is not responding for a minute after a file is changed in the
  current directory

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