kern/122683: Accessing /dev/cuaa0 causes system to freeze

[Thomas Dean]

>Number:         122683
>Category:       kern
>Synopsis:       Accessing /dev/cuaa0 causes system to freeze
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Apr 12 06:40:00 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Thomas Dean
>Release:        6.2-stable
>Organization:
>Environment:
FreeBSD dv6000.tddhome 6.2-STABLE FreeBSD 6.2-STABLE #0: Fri Dec 28 18:13:02 PDT obj/sys/DV6000 i386
>Description:
Access /dev/cuaa0 by any means and the system freezes.  Does not respond to ping, keyboard, mouse, etc.
Power cycle to continue.

/etc/remote contains

cuad0c:dv=/dev/cuad0:br#9600:pa=none:
>How-To-Repeat:
# tip cuad0c
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: