Subject: Re: Installing 1.4
To: None <richard.earnshaw@arm.com>
From: Chris G. Demetriou <cgd@netbsd.org>
List: port-arm32
Date: 05/29/1999 11:59:31
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.