On Sun, 2 Jan 2005, Matej Cepl wrote:

> On Sunday 02 of January 2005 00:07, you wrote:
> > Disable the ub driver in your kernel configuration (Device Drivers /
> > Block devices / Low Performance USB Block driver).
> 
> I cannot believe that I have mistakenly switched on that crap again. Thanks 
> for the help. Could you explain me, why is it in the kernel in the first 
> place? What is it good for?

You should really ask the author/maintainer, not me.

However, my understanding is this:  The ub driver is intended to be
low-overhead (it doesn't use the SCSI layer) and somewhat more reliable
than usb-storage, for the subclass of devices which it can handle.  The
disadvantages include its inability to handle devices with special needs
(as you've seen) and its low performance.

Alan Stern



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