lpbb broken in 6.x?

[John Baldwin]

On Monday 24 March 2008 07:24:11 pm Bruce M. Simpson wrote:
> Bruce M Simpson wrote:
> >
> > I used devinfo to check if other devices were attached to the ppbus 
> > parent. ppc0 always has a single child ppbus0. In the first case ppi0 
> > was attached. In the second case only lpbb appeared to be attached, no 
> > other direct children of ppbus0, printing the same message when 
> > attempting to use the bus ("device not configured").
> 
> Whoops, I meant "can't allocate ppbus" here, trying to avoid confusion·
> 
> I can't seem to kldunload lpbb or other ppbus modules (if they are 
> loaded) after they are loaded, this generates a "device not configured" 
> message.

It's not attaching that allocates the bus, it is having one of the devices 
open (though /dev/lpt0 tries to only hold the bus while doing actual I/O 
rather than at open/close).  You will probably need to use kgdb to see which 
device ppbus thinks owns the bus.

-- 
John Baldwin