7.1-stable (righ after release) locks up on soekris net5501 every day

[perryh at pluto.rain.com]

> >  And it seems, that my USB2Serial cable can not generate BREAK.
> > When I press "~#" in cu it output "~" and doesn't go to debugger
> > (yse, I have BREAK_TO_DEBUGGER option)...
>
> Have you changed the ssh escape char? It defaults to "~" so if you 
> haven't, ssh eats the "~" before cu sees it.

Rather than changing the ssh escape char, it may be easier to just
type "~~#".  ssh should transform the ~~ into a single ~.