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Date: Wed, 14 Jan 1998 15:43:29 -0600 (CST)
From: john preisler <john@acetylene.vapornet.net>
Reply-To: john@acetylene.vapornet.net
To: FreeBSD-gnats-submit@freebsd.org
Subject: renice value -u username causes instant reboot
X-Send-Pr-Version: 3.2

>Number:         5495
>Category:       kern
>Synopsis:       renice value -u username causes instant reboot
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jan 15 00:51:40 PST 1998
>Closed-Date:    Mon Jan 19 04:39:13 PST 1998
>Last-Modified:  Mon Jan 19 04:40:17 PST 1998
>Originator:     John Preisler
>Release:        FreeBSD 3.0-CURRENT i386
>Organization:
disorganized
>Environment:


all the machines I have do it.  p166 or p2 running freebsd-current

>Description:

according to renice(8) root should be able to adjust all the priorities of a single user via renice priority -u username.  On all the machines I have, it causes an instantaneous reboot.

neither the value of priority nor the username seems to make a difference.


>How-To-Repeat:

renice -1 -u some.user.with.processes.running

>Fix:
        
Doc - it hurts when i do this!  

Dont do that!



>Release-Note:
>Audit-Trail:

From: Bruce Evans <bde@zeta.org.au>
To: FreeBSD-gnats-submit@FreeBSD.ORG, john@acetylene.vapornet.net
Cc:  Subject: Re: kern/5495: renice value -u username causes instant reboot
Date: Thu, 15 Jan 1998 23:35:04 +1100

 >>Synopsis:       renice value -u username causes instant reboot
 
 Try this fix.
 
 Bruce
 
 diff -c2 kern_resource.c~ kern_resource.c
 *** kern_resource.c~	Wed Dec 17 20:17:40 1997
 --- kern_resource.c	Thu Jan 15 23:24:15 1998
 ***************
 *** 77,81 ****
   	register struct getpriority_args *uap;
   {
 ! 	register struct proc *p = 0;
   	register int low = PRIO_MAX + 1;
   
 --- 77,81 ----
   	register struct getpriority_args *uap;
   {
 ! 	register struct proc *p;
   	register int low = PRIO_MAX + 1;
   
 ***************
 *** 121,125 ****
   	if (low == PRIO_MAX + 1)
   		return (ESRCH);
 ! 	p->p_retval[0] = low;
   	return (0);
   }
 --- 121,125 ----
   	if (low == PRIO_MAX + 1)
   		return (ESRCH);
 ! 	curp->p_retval[0] = low;
   	return (0);
   }

From: John Preisler <john@vapornet.net>
To: Bruce Evans <bde@zeta.org.au>
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: kern/5495: renice value -u username causes instant reboot
Date: Thu, 15 Jan 1998 20:41:30 -0600 (CST)

 Thank you!  that seems to fix it just fine.
 
 -j
 
 
 
 Bruce Evans writes:
  > >>Synopsis:       renice value -u username causes instant reboot
  > 
  > Try this fix.
  > 
  > Bruce
  > 
  > diff -c2 kern_resource.c~ kern_resource.c
  > *** kern_resource.c~	Wed Dec 17 20:17:40 1997
  > --- kern_resource.c	Thu Jan 15 23:24:15 1998
  > ***************
  > *** 77,81 ****
  >   	register struct getpriority_args *uap;
  >   {
  > ! 	register struct proc *p = 0;
  >   	register int low = PRIO_MAX + 1;
  >   
  > --- 77,81 ----
  >   	register struct getpriority_args *uap;
  >   {
  > ! 	register struct proc *p;
  >   	register int low = PRIO_MAX + 1;
  >   
  > ***************
  > *** 121,125 ****
  >   	if (low == PRIO_MAX + 1)
  >   		return (ESRCH);
  > ! 	p->p_retval[0] = low;
  >   	return (0);
  >   }
  > --- 121,125 ----
  >   	if (low == PRIO_MAX + 1)
  >   		return (ESRCH);
  > ! 	curp->p_retval[0] = low;
  >   	return (0);
  >   }
  > 
State-Changed-From-To: open->closed 
State-Changed-By: bde 
State-Changed-When: Mon Jan 19 04:39:13 PST 1998 
State-Changed-Why:  
Fixed in rev.1.30 of kern_resource.c. 
>Unformatted:
