On Tue, 12 Nov 1996, Dave Millen wrote:

> Can anyone help??????
> 
> I am having problems printing from RiscBSD to my Epson Stylus Color II
> inkjet, which is configured as follows in /etc/printcap:
> 
> lp|local line printer:\
> 	:lp=/dev/lpt0:pw=80:pl=66:sd=/var/spool/lpd:lf=/var/log/lpd-errs
> 
> At unpredictable moments when printing, using lpr, the machine drops out
> of the shell, the following appears on screen:
> 
>     $ f00f4e24 : D@-e : e52d0004 : STR   r0 [r13,-#0x0004]!
>     panic; Abort handler cannot fix this :-(

This is a known and yet unfixed bug which appeared some time ago, I think 
when the new interrupt code was introduced.

> and I am dropped into the debug shell (db>). At this point, all I can do
> is to reboot.

You can also type "trace" to see which routines were called before the 
kernel crashed out. You will probably see, among others, a lot of calls 
to dosoftintr() IIRC.

Markus