Richard Earnshaw <rearnsha@arm.com> writes:
> So I tried this again last night (having remembered to unmount all my slow 
> disks first :-).  It still stiffs the machine entirely after printing a 
> few lines.  The only info I have is that shortly prior to crashing, systat 
> is showing around 32k parallel port interrupts in the preceding 5 second 
> interval, which seems pretty high;  my best guess is that there is some 
> race condition when the printer is sucking data out as fast as it can be 
> sent.

I'd expect it to be sucking data out and interrupting pretty quickly,
of course.  One thing you might try is changing the DELAY(1)'s around
line 392 of dev/ic/lpt.c to something slightly more than one.  It
might be interesting to kow what value delays make it work, if any...



cgd
-- 
Chris Demetriou - cgd@netbsd.org - http://www.netbsd.org/People/Pages/cgd.html
Disclaimer: Not speaking for NetBSD, just expressing my own opinion.