ia64/169781: /usr/bin/csup ends in sigwai state and never exits

>Number:         169781
>Category:       ia64
>Synopsis:       /usr/bin/csup ends in sigwai state and never exits
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-ia64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Jul 11 09:10:01 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Anton Shterenlikht
>Release:        FreeBSD 10.0-CURRENT ia64
>Organization:
University of Bristol 
>Environment:
System: FreeBSD mech-cluster241.men.bris.ac.uk 10.0-CURRENT FreeBSD 10.0-CURRENT #6 r237134: Mon Jun 18 09:02:17 BST 2012 [email protected]:/usr/obj/usr/src/sys/TZAV ia64


	
>Description:

On ia64, at least on  r237134 and r235474,
/usr/bin/csup works fine (I use it exclusively
to update the ports tree) until this stage: 

Shutting down connection to server

After that it sits indefinitely in sigwai state,
and never exits, e.g.:

  PID USERNAME    THR PRI NICE   SIZE    RES STATE   C   TIME   WCPU COMMAND
33822 root          2  20    0 37496K 23352K sigwai  1   0:32  0.00% csup


Due to this it's hard to use csup in scripts.

For more details see this thread:

http://lists.freebsd.org/pipermail/freebsd-ia64/2012-June/003280.html

	
>How-To-Repeat:
	
>Fix:

Following suggestions, I tried the current csup
code from https://bitbucket.org/mux/csup. This makes
no difference.

	


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