Re: kernel/3758: panic: uvm_fault_unwire_locked: unwiring non-wired memory when ntpd (4.2.0) exits.

[Ted Unangst <tedu@zeitbombe.org>]

The following reply was made to PR kernel/3758; it has been noted by GNATS.

From: Ted Unangst <tedu@zeitbombe.org>
To: dtucker@zip.com.au
Cc: gnats@openbsd.org, GNATS Filer <gnats@cvs.openbsd.org>,
        bugs@cvs.openbsd.org
Subject: Re: kernel/3758: panic: uvm_fault_unwire_locked: unwiring non-wired
 memory when ntpd (4.2.0) exits.
Date: Tue, 27 Apr 2004 15:15:07 -0400 (EDT)

 try this patch
 
 Index: uvm_map.c
 ===================================================================
 RCS file: /home/tedu/cvs/src/sys/uvm/uvm_map.c,v
 retrieving revision 1.65
 diff -u -r1.65 uvm_map.c
 --- uvm_map.c	23 Feb 2004 06:19:32 -0000	1.65
 +++ uvm_map.c	25 Apr 2004 23:53:37 -0000
 @@ -2219,6 +2219,9 @@
  
  		if (current->protection != old_prot) {
  			/* update pmap! */
 +			if ((current->protection & MASK(entry)) == PROT_NONE &&
 +			    VM_MAPENT_ISWIRED(entry))
 +				current->wired_count--;
  			pmap_protect(map->pmap, current->start, current->end,
  			    current->protection & MASK(entry));
  		}
 
 
 -- 
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