Subject: Re: Strange instability with -current on port-amd64
To: None <paul@whooppee.com>
From: Steven M. Bellovin <smb@cs.columbia.edu>
List: current-users
Date: 09/05/2007 20:51:53
On Wed, 5 Sep 2007 17:44:50 -0700 (PDT)
Paul Goyette <paul@whooppee.com> wrote:

> On Wed, 5 Sep 2007, Paul Goyette wrote:
> 
> > Any suggestion on how to resolve the conflict for irq 7?  What to
> > look for in > BIOS settings?  Or is there some way in the kernel
> > config file to "steer" the > ohci0 away from irq 7?
> 
> Found it.  I changed the lpt from 0x378/IRQ7 to 0x278/IRQ5 and I can
> now boot my custom kernel with acpi still enabled!
> 
The ironic thing, of course, is that in my experience printers work
much better in polled mode anyway, so we don't even want the
interrupt...


		--Steve Bellovin, http://www.cs.columbia.edu/~smb