misc/143017: watch: fatal: cannot attach to tty

[val]

>Number:         143017
>Category:       misc
>Synopsis:       watch: fatal: cannot attach to tty
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jan 20 13:50:08 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     val
>Release:        8.0
>Organization:
>Environment:
FreeBSD sigma 8.0-STABLE FreeBSD 8.0-STABLE #76: Tue Jan 19 20:37:45 MSK 2010     root at sigma:/usr/obj/usr/src/sys/GENESIS  i386

>Description:
Cannot change snoop device by user request.
>How-To-Repeat:
1. Connect to any existing session by executing watch. For example:
#watch pts/2

2. Initiate change snoop device pressing Ctrl+X:

Snoop device change by user request.
Enter device name [/dev/pts/2]:
watch: fatal: cannot attach to tty

no matter what to write in field <device name>, result same.
>Fix:
Don't know.

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