[kde-linux] Accident loses sound

[Kevin Krammer]

On Tuesday 24 October 2006 13:45, Anne Wilson wrote:
> On Monday 23 October 2006 23:31, Kevin Krammer wrote:
> > Better just move .kde/share/config
> > .kde/share/apps contains application data, depending on the KDE version
> > things like addressbook data, emails, calendars, etc
>
> I planned to try this this morning, but lo and behold!  I have sound again!
>
> I guess that something I tried yesterday that didn't seem to work had
> actually made a difference when I did a clean power-up this morning.   Is
> it possible that log-out and reboot doesn't quite do the same thing?

There can be severl differences. For example if a program which is supposed to 
be shutdown by the log-out hangs, it will not be correctly restarted at 
log-in, while it will obviously be gone when rebooting.

Or when a driver gets into a state where something limits its functionality. 
It might still work partially but only a reboot and thus re-initializing the 
driver might restore its full potential.

Sometimes the machine needs a full power-off, for example when hardware gets 
into a state where it can't be properly resetted by the driver anymore.

Potentially there are five levels of restart:
- stopping application and restarting it
- stopping session (logout) and restarting it (login)
- switching to a lower runlevel (partial system shutdown) and switching back
- stopping system and restarting it (reboot)
- stopping the machine and restarting it (sometimes even requires a couple of 
seconds without any power)

While this makes it look like rebooting (with optional power down) will always 
work, it is usually better to solve it at early steps in this list.
Not just for convenience (less to restart) but also because every level down 
the list removes options to interact with the system, e.g. in runlevel 1 you 
don't have X11 anymore, maybe not even networking, but still the basic shell 
tools and capability to backup data, etc.

Cheers,
Kevin

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