serial reset?

Hollis Blanchard hollis at
Fri Nov 8 02:49:06 EST 2002

On Wed, 2002-11-06 at 17:09, David Gibson wrote:
> On Wed, Nov 06, 2002 at 11:13:08AM -0600, Hollis Blanchard wrote:
> >
> > My current problem is with the UART (and I'm using serial console only,
> > so it's problem). When I wake up, I can type commands to my shell and
> > see them echoed correctly. However the result of those commands is
> > garbled, like so:
> >   ls
> >     1  tm[lc ;u;v  43m
> > Sometimes I get the message "ttyS: 1 input overrun(s)". Return
> > characters come through as spaces.
> This is a wild guess, but could it be that FIFO mode hasn't been
> turned on during the restore.  That way individual characters being
> echoed (slowly) might work, but faster transfers get garbled, because
> the 405 can't keep up with the interrupts.

It looks like this was the problem. I'd tried that of course, but this
made me double-check it. :)


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