>Jun 23 04:50:03 gelatin /netbsd: zstty0: fifo overrun
>
>I'm using ppp, connected to my modem at 38400.  I'm using a Performa 550.  
>Anyone know why I'm getting this error?

Yes, the ring defualt ring buffer size of 512 is too small for the 
Performa-550 at 38400. After some experimentation I figured that changing 
it to 4096 eliminates the overruns. The two lines that need to be changed 
are in dev/zs.h

-bob