scanner in kde 4.2?

[Glenn R Williams]

On Friday 13 March 2009 08:33:52 Derek Broughton wrote:
> Norberto Bensa wrote:
> > I wrote to the list 'cos my scanner was crashing when I selected
> > gray/color and I thought it was xsane's fault. It seems that pluging
> > the scanner into another usb port fixed the problem.
>
> That's a solution that gets less attention than it deserves.  I've had the
> weirdest things happen when a USB port is flaky, or possibly when a
> particular device/port combination is bad.  I had one USB hub with 1 bad
> port - plugging anything into it must have shorted it, because it promptly
> drew too much power and shut down the whole USB bus.  That part wasn't so
> odd, but the things that would seem to have no connection to a USB bus that
> stopped working were so odd that I was led on a wild goose chase for weeks
> before I discovered the power short.
>
> The moral being that any time a USB device isn't working, try connecting to
> a different port; and any time _anything_ inexplicable is happening, start
> by removing all USB devices.
> --
> derek

Very true. If I forget to unplug my USB Ipod Shuffle and reboot, the system 
hangs in the middle of rebooting with no message until I remember and unplug 
the USB.

Glenn