kern/143717: Request MFC to RELENG_7 for sys/vm/vm_map.c SVN rev 195635 change.

[UEMURA at FreeBSD.org]

>Number:         143717
>Category:       kern
>Synopsis:       Request MFC to RELENG_7 for sys/vm/vm_map.c SVN rev 195635 change.
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 10 05:00:07 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator:     UEMURA, Tetsuya
>Release:        7.2-STABLE
>Organization:
MACOME, Corp.
>Environment:
FreeBSD s2882g3nr.tesla.local 7.2-STABLE FreeBSD 7.2-STABLE #1: Mon Feb  8 17:29:47 JST 2010     root at s2882g3nr.tesla.local:/usr/obj/usr/src/sys/S2882G3NR  amd64
>Description:
A bug discussed in the -current list thread
http://lists.freebsd.org/pipermail/freebsd-current/2009-July/009087.html
also hits RELENG_7 kernel as well.

Please consider MFC the SVN rev 195635 change to RELENG_7.
>How-To-Repeat:
Install ntp-dev (ie. 4.2.7pXX) and execute it. It immediatery stucks in vmmaps state.
>Fix:
Apply SVN rev 195635 change.
WWW: http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/vm/vm_map.c.diff?r1=1.417;r2=1.418

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