kernel panics in recent RELENG-5

[Claus Guttesen]

> > It look that something was broken in the last few days in
> > RELENG-5 branch. I am getting reproducible panics by pressing
> > almost any key while system is booting or is in shutdown.
> > Once it is up -- it works mostly fine.
> > Also I noted that the keyboard was not working on my laptop
> > while in the booting phase -- so after I managed to get a second
> > panic doing fsck, I was unable to do anything in single-user mode.
> > The only working keys I found were ScrollLock/Pause and
> > Ctrl-Alt-Del :) Howewer rebooting it with acpi turned off I managed
> > to get it working.
> 
> This was a change I made to try and fix the ttwwakeup() panic, but it
> broke single user instead.  It was backed out yesterday, so cvsup &
> rebuild.

Just did a buildworld/kernel and install-ditto with RELENG_5_4
cvsup'ed May 9'th 2005 at 09.00 GMT +1, booted into single-user-mode
and into multi-user-mode from there, logged in.

No problems on this Dell PE 2850 using a PS/2-keyboard.

regards
Claus