Re: panic unplugging usb keyboard

[David Young <dyoung%pobox.com@localhost>]

On Thu, Feb 28, 2008 at 06:28:08PM +0100, Juan RP wrote:
> On Thu, 28 Feb 2008 10:52:23 -0600
> David Young <dyoung%pobox.com@localhost> wrote:
> 
> > Looks like I introduced this bug very recently.  I will back out the
> > change.
> > 
> > AFAICT, detaching the console can leave dangling pointers in the kernel,
> > which will eventually lead to a panic.  At least, that is what has
> > happened when I detached console at com0.  I will look more closely at
> > wskbd0 to see if it knows how to avoid this.
> 
> No idea about those dangling pointers but at least with 4.0, I'm able
> to plug and unplug the USB console keyboard multiple times without any panic.

It looks like a com(4)-specific issue.  I think I see how to fix it.

Dave

-- 
David Young             OJC Technologies
dyoung%ojctech.com@localhost      Urbana, IL * (217) 278-3933 ext 24