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Date: Fri, 25 Feb 2011 14:49:28 +0100
From: Matthias Andree <mandree@FreeBSD.org>
Reply-To: Matthias Andree <mandree@FreeBSD.org>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: "init q" in single user causes segfault 
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>Number:         155028
>Category:       bin
>Synopsis:       init(8): "init q" in single user causes segfault
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          patched
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Feb 25 14:00:24 UTC 2011
>Closed-Date:    
>Last-Modified:  Sun Jul  3 16:50:11 UTC 2011
>Originator:     Matthias Andree
>Release:        FreeBSD 8.2-STABLE amd64
>Organization:
>Environment:
System: FreeBSD apollo.emma.line.org 8.2-RELEASE FreeBSD 8.2-RELEASE #65: Fri Feb 25 01:47:50 CET 2011 toor@apollo.emma.line.org:/usr/obj/usr/src/sys/GENERIC amd64


	
>Description:
"init q" in single-user mode causes init to segfault, and subsequently
the kernel to panic (..."going nowhere without my init")
	
>How-To-Repeat:
boot into single-user at loader prompt
enter root /bin/sh
type "init q" and press enter
	
>Fix:

	


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->patched 
State-Changed-By: jh 
State-Changed-When: Wed Jun 8 14:30:39 UTC 2011 
State-Changed-Why:  
I was able to reproduce this on 8.2-RELEASE but not on 9.0-CURRENT. 
I guess that this has been fixed in r217750. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=155028 

From: Matthias Andree <mandree@FreeBSD.org>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: bin/155028: init(8): "init q" in single user causes segfault
Date: Wed, 08 Jun 2011 16:52:49 +0200

 MFC?

From: Jilles Tjoelker <jilles@stack.nl>
To: bug-followup@FreeBSD.org, mandree@FreeBSD.org
Cc:  
Subject: Re: bin/155028: init(8): "init q" in single user causes segfault
Date: Sun, 3 Jul 2011 18:48:58 +0200

 > [r217750 fixes segfault on "init q" in single user]
 
 Commit r217750 certainly fixes that segfault (deliberately) but also
 makes it such that /etc/rc.shutdown is not executed if /etc/rc was not
 finished. That change fixes some things (like losing mixer settings when
 using shutdown or ctrl+alt+del from single user) but might also break
 expectations.
 
 Perhaps it is indeed safe enough.
 
 -- 
 Jilles Tjoelker
>Unformatted:
