> 
> I'm running a Netbsd 1_1_Alpha Kernel on an i386 @ 20Mhz.  The serial port
> is a Hayes ESP card, which works flawlessly.
> 
> The other day I wanted to make ppp redial, so I just flipped power to the
> external modem off.  The machine responded by locking solid.  No errors,
> no pings, no disk activity, no network activity; required punching the reset
> button.  This is the sort of thing I used to see when I was using SLIP and
> a set of nasty scripts to bring up and maintain the slip line.
> 
> If you have an external modem, how about flicking it off while its doing
> ppp or slip (or even terminal use) and posting your results?
> 
> -john


I lose my entire X session if I perform this trick....

Running PPP on a P133 1.1_Alpha Hayes ESP card running at 115200.